Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810953 | Pneumatic tire including two grooves and two rubber parts | Masatoshi Tanaka | 1998-09-22 |
| 5208273 | Rubber composition and its application | Kiyoshige Muraoka | 1993-05-04 |