Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506849 | Rubber composition and pneumatic tire | Masahiro Hojo, Kentaro Fujino, Shunji Baba | 2003-01-14 |
| 6376587 | Rubber composition for tire tread and pneumatic tire using said rubber composition | Kazuo Yagawa | 2002-04-23 |