Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171458 | Hot forming mold and method of manufacturing the same | Koichi Tsukiyama, Hideaki Takahashi, Koichi Tsutsumi, Takashi Watanabe, Chiharu Wada +1 more | 1992-12-15 |
| 4966629 | Hot forming mold and method of manufacturing the same | Koichi Tsukiyama, Hideaki Takahashi, Koichi Tsutsumi, Takashi Watanabe, Chiharu Wada +1 more | 1990-10-30 |