Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881587 | Heavy duty pneumatic radial tire | Tatsuo Suzuki, Ken Takahashi | 1989-11-21 |
| 4872497 | Pneumatic radial tire and rim combination for passenger car | Ryoji Hanada, Tuneo Morikawa | 1989-10-10 |
| 4856573 | Pneumatic tire | Tuneo Morikawa, Shuichi Tsukada | 1989-08-15 |
| 4800941 | Heavy load radial tire | Ken Takahashi, Masashi Kida, Saichi Harada | 1989-01-31 |
| 4735249 | Pneumatic radial passenger-car tire | Tuneo Morikawa, Shuji Takahashi | 1988-04-05 |
| 4724878 | Heavy-duty pneumatic radial tire tread with narrow groove near shoulder | Masahiko Kanamaru, Ken Takahashi | 1988-02-16 |
| 4716951 | Pneumatic tire | Tatsuo Suzuki, Ken Takahashi, Yukio Kaga | 1988-01-05 |
| 4715420 | Pneumatic tire for passenger car | Tuneo Morikawa | 1987-12-29 |
| 4711286 | Pneumatic radial tire for passenger car | Tuneo Morikawa, Shuji Takahashi | 1987-12-08 |
| 4691752 | Pneumatic radial tire | Tuneo Morikawa | 1987-09-08 |
| 4657058 | Pneumatic tire | Tuneo Morikawa, Shuichi Tsukada | 1987-04-14 |
| 4603721 | Base-cap tire tread | Tomohiko Kogure, Ryoji Hanada | 1986-08-05 |
| 4602666 | Pneumatic radial tire for passenger vehicles | Tsuneo Morikawa, Shuichi Tsukada | 1986-07-29 |
| 4585045 | Pneumatic tire for passenger car | Tuneo Morikawa | 1986-04-29 |
| 4573511 | Pneumatic tire | Tuneo Morikawa | 1986-03-04 |
| 4469157 | Pneumatic tire | Tsuneo Morikawa | 1984-09-04 |
| 4469158 | Pneumatic tire | Tsuneo Morikawa | 1984-09-04 |
| 4387755 | Pneumatic tires | Masaki Kato, Tuneo Morikawa | 1983-06-14 |