Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025072 | Heat-resistant resin compositions and internal combustion engine parts using same | Toshihiko Tsutsumi, Toshiaki Takahashi, Takatoshi Sagawa | 2000-02-15 |
| 5817418 | Resin composition | Toshihiko Tsutsumi, Toshiaki Takahashi, Takatoshi Sagawa | 1998-10-06 |
| 5540553 | Heat-resistant resin compositions and internal combustion engine parts using same | Toshihiko Tsutsumi, Toshiaki Takahashi, Takatoshi Sagawa | 1996-07-30 |