Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397601 | Shock absorber and bracket | Kosuke Tokunaga, Hirohito ISHII | 2025-08-26 |
| 6991015 | Pneumatic tire having non-symmetric pattern | — | 2006-01-31 |
| 6814118 | Pneumatic tire with specified airtight layer on inner surface | Yasuhiro Narahara, Takuji Kusumoto, Yoshiyuki Kawai, Atsushi Yamakage, Masayuki Sakamoto +1 more | 2004-11-09 |
| 6491081 | Method of manufacturing radial tire having wound band | Masayuki Sakamoto, Toshihiko Omokawa, Kazuya Suzuki | 2002-12-10 |
| 6293327 | Pneumatic tire | Yasuhisa Minagawa, Kiyoshige Muraoka | 2001-09-25 |
| 6251205 | Method of manufacturing radial tire having wound band | Masayuki Sakamoto, Toshihiko Omokawa, Kazuya Suzuki | 2001-06-26 |
| 5972142 | Method of manufacturing radial tire having wound band | Masayuki Sakamoto, Toshihiko Omokawa, Kazuya Suzuki | 1999-10-26 |
| 5879485 | Pneumatic radial tire including rubber spacer between axially adjacent carcass cords | Masayuki Sakamoto, Katsuhito Miura | 1999-03-09 |
| 5820711 | Pneumatic radial tire including rubber spacer between axially adjacent carcass cords | Masayuki Sakamoto, Katsuhito Miura | 1998-10-13 |
| 5639321 | Pneumatic radial tire including rubber spacer between axially adjacent carcass cords | Masayuki Sakamoto, Katsuhito Miura | 1997-06-17 |
| 5435364 | Pneumatic radial tire with four main grooves | Hirotsugu Hasegawa, Nobuaki Minami | 1995-07-25 |
| D340898 | Automobile tire | — | 1993-11-02 |
| D340897 | Automobile tire | — | 1993-11-02 |
| D317741 | Automobile tire | — | 1991-06-25 |
| D317067 | Floor cleaner | — | 1991-05-21 |
| D313781 | Automobile tire | — | 1991-01-15 |
| D312154 | Floor cleaner | — | 1990-11-13 |
| D311366 | Automobile tire | — | 1990-10-16 |
| D298115 | Automobile tire | — | 1988-10-18 |
| D292081 | Automobile tire | — | 1987-09-29 |
| 4607245 | Gas insulated electromagnetic induction appliance | Yoshio Yoshida, Yuichi Kabayama, Tsugio Watanabe, Tetsuro Hakata, Takahiro Matsumoto | 1986-08-19 |