Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892419 | Lubricated bearing apparatus for hydraulic machinery | Hisao Inoue, Ichiro Hitomi, Osamu Sugimoto | 1990-01-09 |
| 4746268 | End face mechanical shaft seal for use in hydraulic machines and seal ring assembly for use in the shaft seal | Osamu Sugimoto, Katsutoshi Nii, Koozi Aizawa, Kazuhiko Kawaike, Ichiro Hitomi +1 more | 1988-05-24 |