Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365987 | Pneumatic tire with varying angle lug grooves | Fumito Ishii, Kenichiro Sugitani | 1994-11-22 |
| 5158627 | Run flat pneumatic radial tire | Kazuyoshi Saneto, Akinori Tokieda, Hiroaki Matsuzaki | 1992-10-27 |