Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329406 | Plastic optical elements and a molding mold therefor | Hiroshi Nakanishi, Yoichi Shibata, Toshiaki Magome, Takashi Ubagai | 1994-07-12 |
| 4985520 | Fluoroelastomer having excellent processability | Kenichi Hayashi | 1991-01-15 |
| 4830920 | Fluorine-containing elastomer and a shaped article thereof | Kenichi Hayashi, Michio Kasahara, Naoki Morita | 1989-05-16 |