Yuki KIMPARA

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric motor-assisted bicycle and motor control apparatus
- Patent number 12,344,351
- Issue date Jul 1, 2025
- Yamaha Hatsudoki Kabushiki Kaisha
- Yuki Kimpara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electrically assisted bicycle assist force calculation method, elec...
- Patent number 11,117,640
- Issue date Sep 14, 2021
- Yamaha Hatsudoki Kabushiki Kaisha
- Yuki Kimpara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric assist bicycle and drive system of the same
- Patent number 11,097,805
- Issue date Aug 24, 2021
- Yamaha Hatsudoki Kabushiki Kaisha
- Yoichiro Hattori
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC MOTOR-ASSISTED BICYCLE AND MOTOR CONTROL APPARATUS
- Publication number 20220242521
- Publication date Aug 4, 2022
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Yuki KIMPARA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRICALLY ASSISTED BICYCLE ASSIST FORCE CALCULATION METHOD, ELEC...
- Publication number 20190263472
- Publication date Aug 29, 2019
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Yuki KIMPARA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRIC ASSIST BICYCLE AND DRIVE SYSTEM OF THE SAME
- Publication number 20190241234
- Publication date Aug 8, 2019
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Yoichiro HATTORI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS