H.-C. Chang, Y. Y. Hui, T.-I. Yang, and C.-Y. Ho (2026), “Extreme ultraviolet or soft X-ray radiation beam profiler,” Korea patent application.

H.-C. Chang, Y. Y. Hui, T.-I. Yang, and C.-Y. Ho (2026), “Extreme ultraviolet or soft X-ray radiation beam profiler,” Japan patent application.

H.-C. Chang, Y. Y. Hui, T.-I. Yang, and C.-Y. Ho (2026), “Extreme ultraviolet or soft X-ray radiation beam profiler,” US patent application.

H.-C. Chang, Y. Y. Hui, T.-I. Yang, and C.-Y. Ho (2026), “Extreme ultraviolet or soft X-ray radiation beam profiler,” ROC patent application.

H.-C. Chang, Y. Y. Hui, and Y.-X. Tang (2025), “Detection system and a portable detection device,” US Patent 12,517,049.

H.-C. Chang, Y. Y. Hui, H.-H. Lin, and O. Y. Chen (2025), “Detection method and system for detecting biological samples,” US Patent 12,306,189.

H.-C. Chang, Y. Y. Hui, and Y.-X. Tang (2024), “檢測系統 (A detection system),” ROC Patent I832469.

H.-M. Huang, S.-C. Hsieh, Y.-C. Chang, J.-C. Yang, and H.-C. Chang (2024), “根管治療沖洗液,” ROC Patent I830453.

H.-C. Chang, J. J. Yu, and J.-H. Kuo (2022), “測溫式定量檢測裝置 (Thermometric quantitative detection device),” ROC Patent M635550.

H.-C. Chang, Y. Y. Hui, H.-H. Lin, and O. Y. Chen (2022), “用於檢測生物樣本的檢測方法及檢測系統 (Detection method and system for detecting biological samples),” ROC Patent I771198.

H.-C. Chang, F.-J. Hsieh, and Y.-W. Chen (2022), “Encapsulated functionalized diamond crystal,” US Patent 11,366,119.

H.-C. Chang, F.-J. Hsieh, and Y.-W. Chen (2021), “包覆式功能化鑽石晶體(Encapsulated functionalized diamond crystal),” ROC Patent I745593.

B.-M. Cheng, H.-C. Lu, J.-I. Lo, and H.-C. Chang (2021), “Fluorescent nitrogen-vacancy diamond sensing sheet, manufacturing method and uses thereof, sensor, and lithography apparatus,” US Patent 11,029,421.

B.-M. Cheng, J.-I. Lo, H.-C. Lu, and H.-C. Chang (2021), “螢光氮空缺鑽石感測片、其製造方法與使用方法、感應器、及微影設備 (Fluorescent nitrogen-vacancy diamond (FNVD) sensing sheet, manufacturing method and uses thereof, sensor, and lithography apparatus),” ROC Patent I733183.

C.-H. Chen, W.-P. Peng, M.-L. Chu, H.-C. Chang, and H.-C. Lin (2015), “Bioparticle ionization with pressure controlled discharge for mass spectrometry,” US Patent 8,963,075.

H.-C. Chang, W. Fann, and C.-C. Han (2012), “Luminescent diamond particles,” US Patent 8,168,413. 

H.-C. Chang and C.-H. Chen (2010), “Acoustic desorption mass spectrometry,” US Patent 7,645,987. 

H.-C. Chang and C.-H. Chen (2008), “聲波脫附質譜儀 (Acoustic desorption mass spectrometry),” ROC Patent I292,822. 

C.-C. Han, H.-C. Chang, S.-C. Lee, and W.-H. Chen (2007), “Clinical applications of crystalline diamond particles,” US Patent 7,326,837. 

H.-C. Chang and C.-C. Han (2007), “鑽石微晶粒在生物科技上之應用 (Diamond crystallites for biotechnological applications),” ROC Patent I262,310.

H.-C. Chang and J. W. Ting (2007), “Biological whole cell mass spectrometer,” US Patent 7,161,147.  

H.-C. Chang, W.-P. Peng, and Y. Cai (2006), “探測奈米粒子之方法及其裝置 (Device of detecting nanoparticle and method of the same),” ROC Patent I257,705.

H.-C. Chang, W.-P. Peng, and Y. Cai (2006), “Nanoparticle ion detection,” US Patent 7,119,331.  

H.-C. Chang, W.-P. Peng, Y. Cai, and S.-J. Kuo (2006), “音頻離子阱單粒子質譜儀 (Audio-frequency single-particle ion trap mass spectrometer),” ROC Patent I250,278.

H.-C. Chang, W.-P. Peng, Y. Cai, and S.-J. Kuo (2004), “Ion trap mass spectrometer,” US Patent 6,777,673.