Pacific Renbukai has 40 years Experience. Locally owned and operated. CURRENT 2020 Certified JAPAN, JKF.

We Are Officially a JKF member Japan Renbukai Karate OrganizationIMG_3545 dojo.

Chief Instructor Shihan Sensei Robert Ishimaru began his martial arts training in 1973.   With a strong Karate foundation in Shotokan he holds a 6th degree black belt in traditional karate. He is also a Certified Instructor in All Japan Karate Federation  Renbukai Karate do and holds a (JKF) 4th degree black belt since 2016.  Shihan Ishimaru embraces BOGU kumite aspect of Renbukai and embraces the legacy of the JKF founders in Japan from 1954. Born and raised in Japan he is honored to keep his culture alive in the USA by teaching traditional Japanese karate.  Traditional karate offers no shortcut to success.

Sensei Bettina Ishimaru began her training in 1984.  For over 20 years she trained in Shotokan karate and obtained a 5th degree.  While continuing to pursue excellence in the arts of karate she obtained a (JKF) 3rd Degree Black belt from the All Japan Karate Federation Renbukai in 2016. She strives to compliment her curriculum with Shito Ryu based kata syllabus for all of her students. She teaches fundamentals with an emphasis on “shite kata ichiro“or required forms firstly. Ultimately, she feels that competition is healthy for the practitioner to test his/her true knowledge, as the increased practice towards towards it increases overall skill. Unlike other sports—It is the journey that counts.

They have been committed to traditional karate instruction in PDX since 2001. They teach traditional karate with emotional IQ and take responsibility for passing the art form on to others. Both have experience in being karate practitioners for over 25 years and proudly represent All- Japan Federation Renbukai since 2008-they are true professionals.   Both instructors tested in Japan for their certifications in Kanagawa Prefecture where their Hombu dojo is currently located. Both Instructors are USA Karate official license holders as of 2019.  They are also US Center for course license holders in all  required training as of 2020 which includes: Mandatory reporting,  Sexual misconduct Awareness education and Coaching emotional and physical misconduct prevention. Both yearly pass NCSI background national screening examinations. It is important that the teacher and coach you train with is Yearly vetted and  checked for safety guidelines and criminal screening.

  Is it time to Explore a different activity for yourself or a family member? The best karate will provide you with a powerful experience for self growth. Don’t wait. Many classed have waiting lists. Join this semester classes now- 
Give Pacific Renbukai karate a call or send an email. Most importantly, traditional karate do is an  athletic activity that teaches self discipline  unique to the study of martial arts and  budo. If you or your child are interested in competition we offer elite training compliant with USA Karate/ WKF KARATE rules and participate in all local, regional and National Tournaments.

  With a history of Instructing  in PDX for over 20 years we have the experience to provide the best karate for your family.  Our curriculum and training is under the governance and rules of JKF Renbukai and USA Karate.  We travel to Japan to train and reinforce our traditional techniques of our style. At USA Karate sanctioned events we compete with rules and guidance of WKF and Olympic standards.  The best karate is available to all ages and it can also be available to you.  Adults and children can  practice  separately or together. All are welcome to our club. We do not discriminate.

  We teach in a Traditional Manner with a  modern emotional intelligence because that is what our community wants. For everyday training, our curriculum consists of Japanese katas (forms) of intricacy and history, kihon built for self defense with practical applications and kumite (sparring) for counterattacking.  Classes are convenient with multiple time slots at 3 locations in SE and SW Portland. Our training focuses on  elite athletes and the novice beginner. We offer more opportunities to  compete in regional, national and international events unlike our competitors.


There are city wide Women’s Only Self Defense Classes attended by teens, and adults and taught exclusively by Sensei Bettina Ishimaru a 25 year veteran of self defense training in Traditional karate, Wing chun- hand trapping, and Chin Na- joint locking and seizing. A no men policy group gives women the opportunity to share and learn safely without bias.

  As Pacific Renbukai karate we are committed to our clients, to community and to PDX families while adhering Japanese traditions and excellence. We are USA KARATE Members 2019, ALL-Japan Karate Federation Renbukai members (Kanagawa, JP.) and currently Safe Sport vetted 2019 to insure your quality of instruction. The journey is long and difficult but it is worth the effort.  Remember Pacific Renbukai is the best Karate in PDX.


    • 210 SE Madison Street, Suite 11- Central Eastside PDX,:TUESDAY, WEDNESDAYS AND THURSDAYS 4:00-5PM(beginner only), 5-6:00PM intermediate and above.
    • 232 SE Oak Street, Suite 104 – Central Eastside, PDX :Tues, Wednesday, Thursday Early Nights 6-7PM- teens 10+, advanced, adults.
    •  South West Downtown PDX- By Appointment only- MONDAYS/TUESDAYS/THURSDAYS 7:30-9:00PM: 3 HOURS weekly
    • 2276 SE 41st Street-  South East- PPS Japanese Immersion Students Only- FRIDAYS 2:15-3:30PM