Kenichi SATOH, Ph.D.

Professor

Associate Dean of Faculty of Data Science

https://www.ds.shiga-u.ac.jp/

Shiga University, JAPAN

https://www.shiga-u.ac.jp/

Work experience

Apr 2021 - Present: Professor, Faculty of Data Science, Shiga University

Apr 2019 - Present: Professor, The Center for Data Science Education and Research, Shiga University

Apr 2010 - March 2019 Present: Associate Professor, Research Institute for Radiation Biology and Medicine, Hiroshima University https://www.hiroshima-u.ac.jp/en/rbm

Dec 2006 - Oct 2007: Visiting Researcher, School of Mathematics and Statistics, Faculty of Science,
The University of New South Wales, Australia. https://www.unsw.edu.au/

Jul - Nov 2001: Visiting Researcher, Radiation and Genome Stability Unit, MRC Harwell Institute,
Medical Research Council, U.K. https://mrc.ukri.org/

Jun 1999 Ph.D. from Prof. Yasunori FUJIKOSHI at Hiroshima University

Awards

JSAS Best Paper Award 2023, Japanese Society of Applied Statistics, K. Satoh: Soft Clustering Based on Non-negative Matrix Factorization for Longitudinal Data

Best Paper Award, BCD 2017, S. Izumi, T. Tonda, N. Kawano, K. Satoh: Visualize the longitudinal big text data with a binary covariate - an approach based on keyword's frequency.

JSAS Best Paper Award 2015, Japanese Society of Applied Statistics, K. Satoh and T. Tonda: Statistical inference of semiparametric varying coefficients using mixed effects model

JSAS Best Paper Award 2010, Japanese Society of Applied Statistics, K. Satoh, H. Yanagihara, K. Kamo, Statistical inference on a linear varying coefficient on longitudinal data of discrete distribution

Publication lists without Japanese

K. Satoh: Applying non-negative matrix factorization with covariates to multivariate time series data as a vector autoregression model, Japanese Journal of Statistics and Data Science, inpress. https://doi.org/10.1007/s42081-025-00314-0

T. Nakama, T. Umemura, S. Hoshino, M. Tamashiro, K. Satoh, H. Sekiguchi: Mechanical Power to Predict Ventilator Liberation in Patients with a Tracheostomy, Respiratory Care , in press. 　https://doi.org/10.1089/respcare.12237

A. Jimura, H. Ohno, Y. Nakao and K. Satoh: A New Approach to the Manuscripts and Editions of The Canterbury Tales: With Special Reference to Speght’s Editions, English Research Association of Hiroshima (ERA), Vols. 41 & 42, Nos. 1 & 2. pp. 3-22.

R. Kawabata, N. Iwasa, K. Satoh, J. Colinge, M. Shimada, S. Takeuchi, H. Fujisawa, H. Eguchi, T. Oishi, T. Sugiyama, M. Suzuki, K. Hasegawa, K. Fujisawa, M. Nishiyama: Prediction of response to promising first-line chemotherapy in ovarian cancer patients with residual peritoneal tumors: Practical biomarkers and robust multiplex models, International Journal of Clinical Oncology, 2024. https://doi.org/10.1007/s10147-024-02552-w

Y. Kuroda, T. Sugimoto, K. Satoh, T. Nakagawa, T. Saito, T. Noguchi, A. Komatsu, K. Uchida, K. Fujita, R. Ono, H. Arai, and T. Sakurai, Relationship between Mortality and Vitality in Patients with Mild Cognitive Impairment / Dementia: An 8-year Retrospective Study, Geriatrics and Gerontology International, 1-8, 2024. https://doi.org/10.1111/ggi.14794

A. Goto, K. Satoh and M. R. Reieh: Two pills and women’s health in Japan, The Lancet Regional Health - Western Pacific, 40, 1-3, 2023. https://doi.org/10.1016/j.lanwpc.2023.100946

L. Kinoshita, A. Goto, S. Okabe, K. Satoh, K. Honda, K. Ueda, M. Murakami, K. E. Nollet: Daily meals in context: A quantitative analysis of elementary school students’ drawings, Frontiers in Communication - Health Communication, 8, 2023.

Y. Kuroda, T. Sugimoto, K. Satoh, C. K. Suemoto, N. Matsumoto, K. Uchida, Y. Kishino, T. Sakurai: Associated with Behavioral and Psychological Symptoms of Dementia During COVID-19, International Journal of Environmental Research and Public Health, 19(16), 2022. https://doi.org/10.3390/ijerph191610094

Y. Sakamoto, K. Satoh, T. Tanaka, T. Yamaguchi, T. Miyamoto, K. Sawaki, M. Miyajima, K. Nakaharai, T. Hoshina, T. Horino, Y. Nakazawa, T. Ikenoue,and M. Yoshida: Risk factors associated with hospitalization in patients with asymptomatic or mild COVID-19 in public accommodation facilities in Tokyo, Journal of Infection and Chemotherapy, 28(10), 1439-1444, 2022. https://doi.org/10.1016/j.jiac.2022.06.002

R. Okazaki, K. Satoh, A. Hasegawa, N. Matsuda, T. Kato, R. Kanda, Y. Shimada, T. Hayashi , M. Kohzaki, K. Mafune, K. Mori: Contribution of radiation education in anxiety reduction among Fukushima Daiichinuclear power plant workers: a cross sectional study using a text mining method, Journal of Radiation Research, 63, 44–50, 2022. https://doi.org/10.1093/jrr/rrab101

N. Hara, H. Morino, Y. Matsuda, K. Satoh, K. Hashimoto, H. Maruyama, H. Kawakami: Zonisamide can ameliorate the voltage-dependence alteration of the T-type calcium channel CaV3.1 caused by a mutationresponsible for spinocerebellar ataxia, Molecular Brain, 13, Article number: 163, 2020. https://doi.org/10.1186/s13041-020-00700-7

H. Toki, T. Wada, Y. Manabe, S. Hirota, T. Higuchi, I. Tanihata, K. Satoh, M. Bando: Relationship between environmental radiation and radioactivity and childhood thyroid cancer found in Fukushima health management survey, Scientific Reports, 10 2020. https://www.nature.com/articles/s41598-020-60999-z

H. Sekiguchi, T. Fukuda, Y. Tamaki, K. Hanashiro, K. Satoh, E. Ueno, I. Kukita: Computerized Data Mining Analysis of Keywords as Indicators of the Concepts in AHA-BLS Guideline Updates, The American Journal of Emergency Medicine, 38(7), 1436-1440, 2020. https://doi.org/10.1016/j.ajem.2019.11.045

A. Goto, A. L. Williams, Y. Kuroda, K. Satoh: Thinking and acting with school children in Fukushima: Implementation of a participatory theater approach and analysis of teachers’ experience, JMA Journal, 2019, in press.

H. Obinata, A. Kuo, Y. Wada, S. Swendeman, C. H. Liu, V. A. Blaho, R. Nagumo, K. Satoh, T. Izumi, T. Hla: Identification of ApoA4 as a sphingosine 1-phosphate chaperone in ApoM- and albumin-deficient mice, The Journal of Lipid Research, 3(1), 67-72, 2020. doi:10.1194/jlr.RA119000277

T. Yoshiya, T. Mimae, M. Ito, S. Sasada, Y. Tsutani, K. Satoh, T. Masuda, Y. Miyata, N. Hattori, M. Okada: Prospective, randomized, cross-over pilot study of the effects of Rikkunshito, a Japanese traditional herbal medicine, on anorexia and plasma-acylated ghrelin levels in lung cancer patients undergoing cisplatin-based chemotherapy, Investigational New Drugs, 38, 485-492, 2020. DOI: 10.1007/s10637-019-00836-x

L. Shi, K. Fujioka, N. Sakurai-Ozato, W. Fukumoto, K. Satoh, et al.: Chromosomal Abnormalities in Human Lymphocytes after Computed Tomography Scan Procedure, Radiation Research, 190(4):424-432, 2018. https://doi.org/10.1667/RR14976.1

K. Satoh, H. Yasuda, H. Kawakami and S. Tashiro: Relative biological effectiveness of neutrons derived from the excess relative risk model with the atomic bomb survivors data managed by Hiroshima University, Radiation Protection Dosimetry, Vol. 180, 1-4, 346-350, 2018. https://doi.org/10.1093/rpd/ncx173

A. Hasegawa, M. Koike, M. Nemoto, T. Ohba, C. Yamada, S. Matsui, M. Fujino and K. Satoh: Lexical analysis suggests differences between subgroups in anxieties over radiation exposure in Fukushima, Journal of Radiation Research, 59, 2, 83-90, 2018. https://doi.org/10.1093/jrr/rry027

Shizue Izumi, Tetsuji Tonda, Noriyuki Kawano, Kenichi Satoh: Estimating and Visualizing the Time-varying Effects of a Binary Covariate on Longitudinal Big Text Data, International Journal of Networked and Distributed Computing, 5, 243-253, 2017. https://doi.org/10.2991/ijndc.2017.5.4.6

H. Watanabe, M. Sasatani, T. Doi, T. Masaki, K. Satoh and M. Yoshizumi: Protective effects of Japanese soybean paste (miso) on stroke in stroke-prone spontaneously hypertensive rats (SHRSP), American Journal of Hypertension, 31(1), 43-47, 2017. https://doi.org/10.1093/ajh/hpx129

K. Tanaka, K. Satoh and A. Kohda: Application of Lymphocyte Chromosome Aberrations for Biodosimetry of Low-Dose-Rate Chronic Irradiation, Radiation Environment and Medicine, Vol.6, No.2 62-70, 2017. https://doi.org/10.51083/radiatenvironmed.6.2_62

K. Kamo, T. Tonda, K. Satoh: Growth Analysis Using Nuisance Baseline, FORMATH, 16, 12-21, 2017. https://doi.org/10.15684/formath.16.002

T. Tonda and K. Satoh: T. Tonda and K. Satoh: Estimating Varying coefficients for longitudinal data without specifying spatial-temporal baseline trend, Journal of The Japan Statistical Society, 47, 1-12, 2017. https://doi.org/10.14490/jjss.47.1

V. Stepanenko, T. Rakhypbekov, K. Otani, S. Endo, K. Satoh et al.: Internal exposure to neutron-activates 56Mn dioxide powder in Wistar rats: part 1: dosimetry, Radiation and Environmental Biophysics,56(1), 47-54, 2017. https://doi.org/10.1007/s00411-016-0676-z

K. Satoh, T. Tonda and S. Izumi: Logistic regression model for survival time analysis using time-varying coefficients, American Journal of Mathematical and Management Sciences, 35(4), 353-360, 2016. https://doi.org/10.1080/01966324.2016.1215945

J. Matsuba, K. Otani, K. Satoh, H. Kawakami and M. Ohtaki: High Initial-dose Dependency of Cerebrovascular Disease Mortality among Female Survivors of the Hiroshima Atomic Bomb Exposed in Teens: A Cohort Study, 1970-2010, Hiroshima Journal of medical Sciences 65(2), 35-43, 2016. https://ir.lib.hiroshima-u.ac.jp/00040781

N. Hara, K. Satoh, K. Otani, H. Kawakami and M. Ohtaki: High Excess Risk of Heart Disease Mortality among Hiroshima Atomic Bomb Male Survivors Exposed Near the Hypocenter Hiroshima Journal of medical Sciences 65(2), 45-51, 2016. https://ir.lib.hiroshima-u.ac.jp/00040782

K. Satoh and T. Tonda: Estimating regression coefficients for balanced growth curve model when time trend of baseline is not specified, American Journal of Mathematical and Management Sciences, 35(3), 183-193, 2016. https://doi.org/10.1080/01966324.2015.1137253

T. Tonda, K. Satoh and K. Kamo: Detecting a local cohort effect for cancer mortality data using a varying coefficient model, Journal of Epidemiology, 25 (10), 639-646, 2015. https://doi.org/10.2188/jea.JE20140218

K. Satoh and T. Tonda: Estimating semiparametric varying coefficients for geographical data in a mixed effects model, Journal of The Japan Statistical Society, 44(1), 25-41, 2014. https://doi.org/10.14490/jjss.44.25

K. Ito, M. Tsunematsu, K. Satoh, K. Ozasa, M. Kakehashi, Y. Nagata: Effectiveness of Cervical Cancer Screening Based on a Mathematical Screening Model using data from the Hiroshima Prefecture Cancer Registry, Asian Pacific Journal of Cancer Prevention, 14(8), 4897-902, 2013. https://doi.org/10.7314/APJCP.2013.14.8.4897

K. Kamo, Y. Yanagihara and K. Satoh: Bias-corrected AIC for selecting variables in Poisson regression models, Communications in Statistics - Theory and Methods, 42, 1911-1921, 2013. https://doi.org/10.1080/03610926.2011.600504

T. Tetsuji, K. Satoh, K. Otani, Y. Sat, H. Maruyama, H. Kawakami, S. Tashiro, M. Hoshi, M. Ohtaki: Investigation on circular asymmetry of geographical distribution of mortality risk in Hiroshima atomic bomb survivors, IPSHU English Research Report Series, Vol. 28, 57-65, 2012. https://doi.org/10.15027/33625

K. Tanaka, A. Kohda and K. Satoh: Dose-rate-effects and dose and dose-rate effectiveness factor (DDREF) on frequencies of chromosome aberrations in splenic lymphocytes from mice continuously exposed to low-dose-rate gamma-radiation, Journal of Radiological Protection, 33, 61-70, 2012. https://iopscience.iop.org/article/10.1088/0952-4746/33/1/61

H. Yanagihara, K. Kamo, S. Imori and K. Satoh: Bias-corrected AIC for Selecting Variables in Multinomial Logistic, Linear Algebra and its Applications, 436, 4329-4341, 2012. https://doi.org/10.1016/j.laa.2012.01.018

T. Tonda, K. Satoh, K. Otani, Y. Sato, H. Maruyama, H. Kawakami, S. Tashiro, M. Hoshi and M. Ohtaki: Investigation on circular asymmetry of geographical distribution in cancer mortality of Hiroshima atomic bomb survivors based on risk maps: analysis of spatial survival data, Radiation and Environmental Biophysics, 51(2), 133-141. 2012. https://doi.org/10.1007/s00411-012-0402-4

I. Nagai, H. Yanagihara and K. Satoh: Optimization of ridge parameters in multivariate generalized ridge regression by plug-in methods, Hiroshima Mathematical Journal, 42, 301-324, 2012. DOI: 10.32917/hmj/1355238371

T. Tonda, K. Satoh, T. Nakayama, K. Katanoda, T. Sobue, M. Ohtaki: A nonparametric mixed-effects model for cancer mortality, Australian & New Zealand Journal of Statistics, 53(2), 247-256, 2011. https://doi.org/10.1111/j.1467-842X.2011.00615.x

M. Ohtaki, K. Otani, K. Hiyama, N. Kamei, K. Satoh and E. Hiyama: A robust method for estimating gene expression states using Affymetrix microarray probe level data, BMC Bioinformatics 11, 183, 2010. https://doi.org/10.1186/1471-2105-11-183

K. Satoh and H. Yanagihara: Estimation of varying coefficients for a growth curve model, American Journal of Mathematical and Management Sciences, Vol 30, No 3&4, 243-256.2010. https://doi.org/10.1080/01966324.2010.10737787

H. Yanagihara and K. Satoh: An Unbiased Cp Criterion for Multivariate Ridge Regression, Journal of Multivariate Analysis, 101, 1226-1238, 2010. https://doi.org/10.1016/j.jmva.2009.09.017

K. Oki, K. Yamane, K. Satoh, S. Nakanishi, H. Yamamoto and N. Kohno: Aldosterone synthase (CYP11B2) C-344T polymorphism affects the association of age-related changes of the serum C-reactive protein, Hypertension Research, 33, 326-330, 2010. https://doi.org/10.1038/hr.2009.233

J. Horiguchi, N. Matsuura, H. Yamamoto, T. Kitagawa, K. Satoh, Y. Kihara, K. Ito: Evaluation of Attenuation-Based Tube Current Control in Coronary Artery Calcium Scoring on Prospective ECG-triggered 64-detector CT, Academic Radiology 16, 1231-1240, 2009. https://doi.org/10.1016/j.acra.2009.04.008

K. Tanaka, A. Kohda, K. Satoh, T. Toyokawa , K. Ichinohe, Y. Oghiso: Dose-Rate Effectiveness for Unstable-Type Chromosome Aberrations Detected in Mice after Continuous Irradiation with Low-Dose-Rate γ-rays, Radiation Research, 171, 290-301, 2009. https://doi.org/10.1667/RR1238.1

K. Nijiati, K. Satoh, K. Otani, Y. Kimata, M. Ohtaki: Regression analysis of maternal smoking effect on birth weight, Hiroshima J Med Sci. 57(2), 61-67, 2008. https://ir.lib.hiroshima-u.ac.jp/00034953

K. Kamo, S. Kaneko, K. Satoh, H. Yanagihara, S. Mizuno, T. Sobue: A mathematical estimation of true cancer incidence using data from population-based cancer registries, Japanese Journal of Clinical Oncology, 37(2), 150-155, 2007. https://doi.org/10.1093/jjco/hyl143

K. Otani, K. Hiyama, K. Satoh, et al.: A mathematical model for affymetrix genechip probe level data, JP Journal of Biostatistics, 1(3),283-306, 2007. https://www.pphmj.com/abstract/2996.htm

S. Takaki, Y. Kawakami, M. Imamura, H. Aikata, S. Takahashi, H. Ishihara, K. Tsuji, S. Aimitsu, H. Kawakami, T. Nakanishi, M. Kitamoto, T. Moriya, K. Satoh, K. Chayama: Eicosapentaenoic Acid Could Permit Maintenance of the Original Ribavirin Dose in Chronic Hepatitis C Virus Patients during the First 12 Weeks of Combination Therapy with Pegylated Interferon-α and Ribavirin, Intervirology, 50, 439–446, 2007. https://doi.org/10.1159/000114718

M. Matsuo, N. Kawano, K. Satoh, K. N. Apsalikov and T. Moldagaliev: Overall image of nuclear tests and their human effects at sepalati an attempt at analyses based on verbal data, Journal of Radiation Research, 47, 219-224, 2006. https://doi.org/10.1269/jrr.47.A219

Y. Nitta, K. Satoh, S. Suga, S. Endo, K. Nitta: Comparison of the effectiveness of hight and low LET radiations for the proportion of survivals with liver tumors in C57BL/6N x C3H/HeN F1 mice, Journal of Veterinary Medical Science, 68 (7), 2006. https://doi.org/10.1292/jvms.68.647

M. M. Rahman, K. Satoh, K. Otani, M. Kambe and M. Ohtaki: A Semi-parametric Method for Describing the Age-Specific Distribution of Clinical Measurements in Cross-sectional Study, Hiroshima J. Med. Sci. 55 (1), 17-28, 2006. https://ir.lib.hiroshima-u.ac.jp/00034922

K. Satoh and M. Ohtaki: Nonparametric Growth Curve Model with Local Linear Approximation, Communications in Statistics - Theory and Methods, 35-4, 641-648, 2006. https://doi.org/10.1080/03610920500498790

M. Ohtaki, K. Ohtani, K. Satoh, T. Kawamura, K. Hiyama, M. Nishiyama: Model-based analysis of microarray data: Exploration of differentially expressed genes between two cell types based on a two-dimensional mixed normal model, Jpn. J. of Biometrics, 26, 31-48, 2005. https://doi.org/10.5691/jjb.26.31

K. Hiyama, K. Ohtani, M. Ohtaki, K. Satoh, et al.: Differentially expressed genes throughout the cellular immortalization processes are quite different between normal human fibroblasts and endothelial cells, International Journal of Oncology, 27, 87-95, 2005. https://doi.org/10.3892/ijo.27.1.87

F. Yamasaki, K. Kurisu, K. Satoh, et al.: Apparent Diffusion Coefficient of Human Brain Tumors, Radiology, 235-3, 985-991,2005. https://doi.org/10.1148/radiol.2353031338

Y. Nitta, K. Yoshida, K. Satoh, K. Senba, N. Nakagata, J. Peters, B. M. Cattanach: Spontaneous and Radiation-induced Leukemigoenesis of the Mouse Small Eye Mutant, pax6sey3h, Journal of Radiation Research, 45-1, 2004. https://doi.org/10.1269/jrr.45.245

T. Tanaka, K. Tanimoto, K. Otani, K. Satoh, et al.: Concise Prediction Models of Anticancer Efficacy of 8 Drugs using Expression Data from 12 Selected Genes, International Journal of Cancer, 111, 617-626, 2004. https://doi.org/10.1002/ijc.20289

K. Satoh and M. Ohtaki: A Note on Multiple Regression for Single Index Model, Communications in Statistics - Theory and Methods, 33-10, 1-14, 2004. https://doi.org/10.1081/STA-200031363

K. Satoh, K. Ohtani, M. Ushijima, M. Isomura, M. Matsuura, T. Miki, and M. Ohtaki: Genotyping of Single Nucleotide Polymorphisms Based on a Mathematical Model for Two-Dimensional Data, Jpn. J. of Biometrics, 25,61-67, 2004. https://doi.org/10.5691/jjb.25.61

K. Satoh, H. Yanagihara and M. Ohtaki: Bridging the Gap Between B-spline and Polynomial Regression Model, Communications in Statistics - Computation and Simulation., 32-1, 179-190, 2003. https://doi.org/10.1081/SAC-120013120

H. Kawasaki, K. Satoh, N. Yamaguchi and M. Ohtaki: Statistical Analysis of Geographical Features of Lung Cancer Mortality in Japan, Jpn J Clin Oncol, 30, 557-561, 2000. https://doi.org/10.1093/jjco/hyd133

T. Nakayama, K. Satoh and M. Ohtaki: Statistical Analysis of Female Proportion among the Japanese Infant Population of 0-4 Year Olds, Jpn. J. of Biometrics, 20, 155-166, 2000. https://doi.org/10.5691/jjb.20.155

K. Satoh: Modification of AIC-type Criterion in Multivariate Normal Linear Regression with a Future Eexperiment, Hiroshima Mathematical Journal, 30, 29-53, 2000. (Ph.D. from Yasunori Fujikoshi at Hiroshima University) DOI: 10.32917/hmj/1206124767

K. Otani, M. Ohtaki and K. Satoh: Analysis of Age Dependency of Permanent Tooth Loss based on Repeated Observations, Jpn. J. of Biometrics, 20, 41-55, 1999. https://doi.org/10.5691/jjb.20.41

Y. Fujikoshi and K. Satoh: Modified AIC and Cp in Multivariate Linear Regression, Biometrika, 84, 707-716, 1997. https://www.jstor.org/stable/2337590

K. Satoh, Y. Fujikoshi and M. Kobayashi: Variable Selection for the Growth Curve Model, Journal of Multivariate Analysis, 60, 277-292, 1997. https://doi.org/10.1006/jmva.1996.1658

K. Satoh: AIC-type Model Selection Criterion for Multivariate Linear Regression with a Future Experiment, Journal of Japan Statistical Society, 27, 135-140, 1997. https://doi.org/10.14490/jjss1995.27.135

Y. Fujikoshi and K. Satoh: Estimation and Model Selection in an Extended Growth Curve Model, Hiroshima Mathematical Journal, 60, 635-647, 1996. DOI: 10.32917/hmj/1206127265