Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346577 | Heat-resistant rubber composition | Takashi Hakuta, Tetsuo Tojo, Masaaki Kawasaki | 2002-02-12 |
| RE37527 | Heat-resistant rubber composition | Takashi Hakuta, Tetsuo Tojo, Masaaki Kawasaki | 2002-01-22 |