Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346316 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit | Kooju Aizawa, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more | 1994-09-13 |
| 5301078 | Magnetic disk unit and manufacturing method of carriage structure thereof | Toshiaki Makino, Marutomo Goto, Hideyuki Kimura, Takashi Yamaguchi, Hiromu Hirai +8 more | 1994-04-05 |
| 5297927 | Vertical shaft type pump | Kooji Aizawa, Katsutoshi Nii, Masayuki Yamada, Kunio Takada | 1994-03-29 |