Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346316 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit | Ryoji Okada, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more | 1994-09-13 |