Niklas Engström Sensei

1 Dan JKF Wadokai

1998

Lotta Berger Sensei

4 Dan Inoue-ha Shito Ryu

1999

Yuki Mimura Sensei

5 Dan Shotokan

International Budo University

2000

Fred Jarbro Sensei

6 Dan JKF Wadokai

2001 & 2011

Palau Lopes Sensei

6 Dan JKF Wadokai

2002

Norimasa Fujita  Sensei

5 Dan Itosu Kai

 2003 & 2007

Shinji Kohata Sensei

7 Dan JKF Wadokai

2004

Takamasa Arakawa Sensei

6 Dan JKF Wadokai

International Budo University

2004, 2011 & 2017

Kenichi Osada Sensei

6 Dan Daido Juku

2005, 2007 & 2010

Suzuko Hamasaki Sensei

5 Dan JKF Goju-Kai.

2005 & 2006

Kaori Inoshta Sensei

3 Dan JKA

International Budo University

2005

Yasuro Jin Sensei

3 Dan Kodokan

Tokyo Newaza Kenkyukai

2006

Leonardo Neves Sensei

3 Dan BJJ

2007

Mitchell Ninomiya Sensei

5 Dan  Itosu-Kai

2007

Katsuhiko Kashiwazaki Sensei

8 Dan Kodokan

International Budo University

2008

Takeshi Nakajima Sensei

7 Dan Kodokan

Kokushikan University

2008 & 2010

Koji Okumachi Sensei

6 Dan JKF Wadokai

2008, 2012, 2013, 2014, & 2015

Shingo Ohgami Sensei

8 Dan JKF Wadokai

2008

Yukimitsu Hasegawa Sensei

6 Dan  JKF Shito-Kai

2009

Yasuhiro Moriwaki Sensei

8 Dan Kodokan

Kokushikan University

2010

Hatsuyuki Hamada Sensei

8 Dan Kodokan

Kanoya University

2011

Ryuji Okada Sensei

6 Dan Kodokan

Kindai University

2012

Hidemasa Tokuyasu Sensei

7 Dan Kodokan 

Tokyo Ariake University

2013

Yuji Okazaki Sensei

6 Dan

Mukogawa Womens University

2014

Kaoru Kawakami Sensei

3 Dan Kodokan

Metropolitan Hamura 

Special support school

2015

Shuji Ohshima Sensei

7 Dan Kodokan

International Budo University

2016 & 2017

Rika Yazaki Sensei

6 Dan Kodokan

International Budo University

2016

Kiyohiko Tosa Sensei

6 Dan Gensei Ryu

2016

Koichi Shimura Sensei

8 Dan JKF Wadokai

2016

Takuya Furuhashi Sensei

6 Dan JKF Wadokai

2017

Joichi Hirao Sensei

5 Dan Kodokan

Judo Canada

2017

Tomoo Hamana Sensei

7 Dan Kodokan

Nihon Bunka University

2018

Hokazono Taishi Sensei

4 Dan Renbukai

Keio University

2018

Hidetaka Furuhashi Sensei

6 Dan JKF Wadokai

2019

Yuto Tonoyama Sensei

2 Dan JKA

International Budo University

2022

Yuya Ota Sensei

6 Dan Goju Ryu

2023

Alex Bennett Sensei

7 Dan Kendo

Kansai University

2023 &2024

Yasunobu Noura Sensei

5 Dan Shotokan

2024

Kazuo Saito Sensei

7 Dan Shotokan

2024