Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025072 | Heat-resistant resin compositions and internal combustion engine parts using same | Yoshihisa Goto, Toshihiko Tsutsumi, Toshiaki Takahashi | 2000-02-15 |
| 5817418 | Resin composition | Yoshihisa Goto, Toshihiko Tsutsumi, Toshiaki Takahashi | 1998-10-06 |
| 5540553 | Heat-resistant resin compositions and internal combustion engine parts using same | Yoshihisa Goto, Toshihiko Tsutsumi, Toshiaki Takahashi | 1996-07-30 |
| 5223556 | Aromatic polyetherketone resin compositions containing polyetherimide, polysulfone-coated carbon fibers and mechanical component formed therefrom | Yoshihisa Gotoh, Toshihiko Tsutsumi, Toshiaki Takahashi | 1993-06-29 |
| 4772096 | Light-shader | Yasuaki Kai, Hiroshi Tabata | 1988-09-20 |
| 4709988 | Directional light-shield board | Yasuaki Kai, Hiroshi Tabata | 1987-12-01 |
| 4708908 | Plastic parts with surface-hardening coating containing ultraviolet absorber | Yasuo Tateoka, Ryuzo Uemura | 1987-11-24 |
| 4231900 | Method for forming activated alumina coating on refractory article and article thereby produced | Tadanari Kato, Tadashi Ikemi | 1980-11-04 |