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Kodenkan Jujitsu Dojo Class Photo 2009

Based in Santa Clara, California, the Kodenkan Jujitsu School has taught self-defense for over 40 years in the greater San Jose area. The Kodenkan was founded by Prof. Sig Kufferath and Prof. Tony Janovich to pass on Danzan-Ryu jujitsu to those seeking a proven and practical street martial art.

Learn more about Danzan-Ryu Jujitsu

Sensei Marc Mandarich passed away on December 13


Prof. Tony Janovich teaches kiaijutsu in 2013
Prof. Tony Janovich teaches kiaijutsu in 2013

Classes are offered through the Santa Clara Recreation Center for both children and adults. Aspects of training include:

  • Self-discipline, awareness, and confidence
  • Detailed knowledge and instruction in techniques such as vital point striking, throwing, grappling, and joint locks

Learn more about Locations of Schools

Learn more about Classes Offered in Santa Clara, including times and costs


Instructors of the Kodenkan, 2013, including Prof. Clive Guth
Instructors of the Kodenkan, 2013

Learn more about the Instructors of the Kodenkan School


A video of Prof. Sig Kufferath:

See all our videos at our Youtube Channel:


 Latest News

2017 Art and Wine Festival Demo Team

The Kodenkan Jujitsu School’s kids class gave a demonstration at the 2017 annual Santa Clara Art and Wine Festival at Central Park. The kids demonstrated self defense techniques including escapes, throws, joint locks, control holds, and more!

The demonstration was MC’d by Prof. George Arrington and preperation was under the direction of Profs. Clive Guth, George Arrington, and Sensei Guillermo Hernandez, Jr.

circle throw
shoulder throw
holding an opponent helpless with one foot
leg lock
drop throw



From Control to Knockout Class, 2017
From Control to Knockout Class, 2017

Professors Tony Janovich and Clive Guth taught a class on Yawara, “From Control to Knockout” at the 2017 American Judo & Jujitsu Federation in April.

Prof. Janovich's Ending the Attack Class at Camp Danzan-Ryu 2017
Prof. Janovich’s Ending the Attack Class at Camp Danzan-Ryu 2017

It was great, being at Camp Danzan-Ryu! Prof. Janovich taught Ending the Attack, and Prof. Arrington taught classes on Internal Boxing, andTeen Nunchaku.

Prof. Arrington after Teen Nunchaku
Prof. Arrington after Teen Nunchaku
Founder's Tree
Founder’s Tree



All Kodenkan News