Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346316 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit | Ryoji Okada, Kooju Aizawa, Masayuki Yamada, Kenji Otani, Kunio Takada +1 more | 1994-09-13 |
| 5314321 | Screw-type rotary fluid machine including rotors having treated surfaces | Akihiko Yamamoto, Tatsuo Natori, Kotaro Naya, Motohiro Satoo, Mitsuru Fujiwara +3 more | 1994-05-24 |
| 5304044 | Hermetic compressor | Satoshi Wada, Shuichi Yakushi, Hideki Otori | 1994-04-19 |
| 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 |