IK

Isao Kuwayama

Bridgestone: 34 patents #30 of 2,860Top 2%
Nsk: 3 patents #483 of 1,559Top 35%
TT The University Of Tokyo: 3 patents #321 of 2,633Top 15%
YM Yamazaki Mazak: 2 patents #73 of 272Top 30%
Overall (All Time): #91,588 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
12420592 Pneumatic radial tire for passenger vehicles Shintaro Hatanaka 2025-09-23
12420597 Tire, retreaded tire, and retreaded tire production method Takashi Shimura 2025-09-23
12420598 Tire-wheel assembly, tire, and wireless power receiving system 2025-09-23
12401224 Wireless power reception system, moving body, and wheel Hiroshi Fujimoto, Osamu Shimizu, Keizo Akutagawa, Yasumichi Wakao, Daisuke Gunji 2025-08-26
12377737 Wireless power reception system, moving body, and wheel Hiroshi Fujimoto, Osamu Shimizu, Keizo Akutagawa, Yasumichi Wakao, Daisuke Gunji 2025-08-05
12311703 Wireless power reception system, tire/wheel assembly, and tire 2025-05-27
12214682 Tire/wheel assembly and tire 2025-02-04
12214681 Tire/wheel assembly and tire 2025-02-04
12115871 Wireless power receiving system, mobile object, and vehicle wheel Hiroshi Fujimoto, Takehiro Imura, Osamu Shimizu, Katsuhiro HATA, Keizo Akutagawa +2 more 2024-10-15
12083833 Pneumatic radial tire for passenger vehicles 2024-09-10
11623266 Sheet material machining system and method for processing workpiece Yukio Morita, Tetsu Hattori, Yoshihiko Sakai, Yoshihiro Nakamura 2023-04-11
11472230 Pneumatic tire 2022-10-18
11305585 Pneumatic tire 2022-04-19
11235620 Pneumatic tire 2022-02-01
10836213 Tire 2020-11-17
10639936 Pneumatic tire Shintaro Hatanaka 2020-05-05
10556466 Tire 2020-02-11
10486473 Passenger vehicle pneumatic radial tire Shintaro Hatanaka 2019-11-26
10434823 Pneumatic radial tire for a passenger vehicle and method of using the same Hiroyuki Matsumoto, Shintaro Hatanaka 2019-10-08
10427458 Pneumatic radial tire for a passenger vehicle and method of using the same Hiroyuki Matsumoto, Shintaro Hatanaka 2019-10-01
10427459 Pneumatic tire Shintaro Hatanaka, Kentaro Kozuki 2019-10-01
10226966 Pneumatic radial tire for passenger vehicle, method for using the tire, and tire-rim assembly including the tire Shintaro Hatanaka, Hiroyuki Matsumoto 2019-03-12
10214052 Pneumatic radial tire for passenger vehicles 2019-02-26
10207542 Pneumatic radial tire for passenger vehicle Hiroyuki Matsumoto, Shintaro Hatanaka 2019-02-19
10207541 Pneumatic radial tire for a passenger vehicle and method of using the same Hiroyuki Matsumoto, Shintaro Hatanaka 2019-02-19