Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624102 | Structure for sealing an inner peripheral portion of a metallic diaphragm | Ryutaro Nishimura, Kenji Yamamoto | 1997-04-29 |
| 5609077 | Tightening device | Tadahiro Ohmi, Nobukazu Ikeda, Ryosuke Dohi, Kunio Nagai, Eiji Ideta +3 more | 1997-03-11 |