Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100307 | Scroll-type fluid machine with a plurality of discharge ports | Masumi Arita | 1992-03-31 |
| 5059102 | Fluid scroll machine with peripherally attached counter weights and reduced thickness scroll | Kiyonori Tokumitsu, Yasunobu Ozaki | 1991-10-22 |
| 5037280 | Scroll fluid machine with coupling between rotating scrolls | Kozaburo Fujii, Etsuo Morishita, Sakuei Yamamoto | 1991-08-06 |
| 5013226 | Rotating scroll machine with balance weights | — | 1991-05-07 |
| D315912 | Vacuum pump | Kozaburo Fujii, Nobuyuki Kondoh, Yoshinori Abe | 1991-04-02 |
| 4993927 | Scroll fluid machine with lubrication of oldham coupling | Isamu Eto | 1991-02-19 |
| 4973232 | Rotating scroll machine with oil pump | Isamu Etou, Kozaburo Fujii, Kiyonori Tokumitsu | 1990-11-27 |
| 4865530 | Scroll-type vacuum apparatus with oil supply to a compression chamber | Isamu Etou, Etsuo Morishita | 1989-09-12 |
| 4846640 | Scroll-type vacuum apparatus with rotating scrolls and discharge valve | Isamu Etou, Etsuo Morishita | 1989-07-11 |
| 4842499 | Scroll-type positive displacement apparatus with oil supply to compression chamber | Isamu Etou, Etsuo Morishita | 1989-06-27 |
| 4651039 | Molded-type underwater motor | Sakuei Yamamoto | 1987-03-17 |
| 4586880 | Submersible motor and pump assembly | Hiroshi Inao | 1986-05-06 |
| 4585966 | Submerged electric motor | Sakuei Yamamoto, Hiroshi Inao | 1986-04-29 |
| 4549105 | Submergible motor including circuit element encased in molded plug | Sakuei Yamamoto, Hiroshi Inao, Noboru Tashiro, Kiyoshi Hani | 1985-10-22 |
| 4546130 | Molding material for the stator of a submersible motor | Sakuei Yamamoto, Nobuo Sonoda, Kazuo Okahashi, Shoji Takagi | 1985-10-08 |
| 4532446 | Submerged electric motor | Sakuei Yamamoto, Hiroshi Inao, Matao Matsushita, Hidemi Komoda | 1985-07-30 |
| 4496866 | Submersible electric motor and method of manufacturing the same | Sakuei Yamamoto, Noboru Tashiro, Nobuo Sonoda | 1985-01-29 |
| 4486677 | Encased electric motor employing gas as heat dissipating means | Sakuei Yamamoto, Hiroshi Inao, Kiyonori Tokumitsu, Takatoshi Ishikawa, Shigekazu Sakabe | 1984-12-04 |
| 4456844 | Submergible motor construction | Sakuei Yamamoto | 1984-06-26 |
| 4437027 | Molded submersible motor | Sakuei Yamamoto | 1984-03-13 |
| 4421324 | Shaft seal device for submersible motor | Sakuei Yamamoto, Hiroshi Inao, Kiyonori Tokumitsu, Sadahiro Kumamoto | 1983-12-20 |
| 4387313 | Molded submersible motor | Sakuei Yamamoto, Noboru Tashiro, Nobuo Sonoda | 1983-06-07 |