Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879579 | Submerged nozzle change device | Ryoichi Yoshino, Kenji Yamamoto, Tadao Taniguchi | 1999-03-09 |
| 4741561 | Remotely monitored seal in a connection joint | Eiji Morita, Akira Wadamoto | 1988-05-03 |