Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240054 | Pneumatic tire having tread designed for reduced noise | — | 1993-08-31 |
| 5223065 | Pneumatic tire | — | 1993-06-29 |
| 5221383 | Pneumatic tire having a carcass reinforced with a flat cord made of a plurality of interconnected monofilaments | Toru Horikawa, Tsuneo Morikawa, Yusaku Miyazaki, Masakazu Okihara | 1993-06-22 |
| 5173137 | Pneumatic tire with improved durability of the bead portion | Masakazu Okihara, Yusaku Miyazaki, Tuneo Morikawa, Toru Horikawa | 1992-12-22 |
| 5027875 | Pneumatic tire having reduced tread pattern noise | — | 1991-07-02 |
| 4649975 | Pneumatic tire tread | Tadayoshi Hiraga, Riichiro Mama, Nobuhito Takasugi | 1987-03-17 |
| 4603721 | Base-cap tire tread | Ryoji Hanada, Kazuyuki Kabe | 1986-08-05 |