Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366261 | Pipe joint with a gasket retainer | Tadahiro Ohmi, Tsutomu Shinohara, Nobukazu Ikeda, Kenji Yamamoto | 1994-11-22 |
| 5340170 | Pipe joint and gasket retainer for use in pipe joint | Tsutomu Shinohara, Kazuhiro Yoshikawa, Kenji Yamamoto | 1994-08-23 |
| 5308124 | Thrust ring for pipe joints | Nobukazu Ikeda, Naoya Masuda, Tetsuya Kojima | 1994-05-03 |
| 5295662 | Fluid flow-controller with improved diaphragm | Kenji Yamamoto | 1994-03-22 |