Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502833 | Metal C-shaped ring gasket | Hideshi Shibata, Kanji Hanashima, Ichiro Kubo, Masahito Tanemoto | 2003-01-07 |
| 6500893 | Resin composition | Hitoshi Yamada, Kazuki Morimoto, Katsuya Kusuno, Kazuo Nishimoto | 2002-12-31 |