Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059102 | Fluid scroll machine with peripherally attached counter weights and reduced thickness scroll | Mitsuhiro Nishida, Yasunobu Ozaki | 1991-10-22 |
| 5022836 | Sealing device for oil rotary vacuum pump | Akira Baba, Sadanori Hirano | 1991-06-11 |
| 4973232 | Rotating scroll machine with oil pump | Isamu Etou, Kozaburo Fujii, Mitsuhiro Nishida | 1990-11-27 |
| 4558246 | Liquid-seal type motor having insulating oil pressure compensation | — | 1985-12-10 |
| 4558247 | Liquid-seal type motor having insulating oil pressure compensation | Sakuei Yamamoto | 1985-12-10 |
| 4486677 | Encased electric motor employing gas as heat dissipating means | Sakuei Yamamoto, Hiroshi Inao, Mitsuhiro Nishida, Takatoshi Ishikawa, Shigekazu Sakabe | 1984-12-04 |
| 4421324 | Shaft seal device for submersible motor | Sakuei Yamamoto, Hiroshi Inao, Mitsuhiro Nishida, Sadahiro Kumamoto | 1983-12-20 |