Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377483 | Diaphragm valve | Toshiaki Iwabuchi | 2008-05-27 |
| 5295660 | Metal diaphragm valve with lock mechanism | — | 1994-03-22 |
| 4577674 | Guide roll | Shinichi Harada, Hiroshi Toyoda, Shigeru Matsushita | 1986-03-25 |
| 4541975 | Method for producing high strength sintered silicon carbide | Tsuneo Tatsuno, Hiroshi Okada | 1985-09-17 |