Issued Patents All Time
Showing 76–100 of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571163 | Axial clearance adjustment mechanism for scroll-type fluid displacement apparatus | Seiichi Sakamoto | 1986-02-18 |
| 4548556 | Interfitting mechanism of spiral elements for scroll-type fluid displacement apparatus | — | 1985-10-22 |
| 4547137 | Scroll type fluid compressor with thickened spiral elements | Masaharu Hiraga | 1985-10-15 |
| 4545746 | Rotation-preventing device for an orbiting piston-type fluid displacement | Kazuo Sugimoto, Shigemi Shimizu | 1985-10-08 |
| 4527963 | Scroll type compressor with lubricating system | — | 1985-07-09 |
| 4512729 | Drive bearing device for a fluid displacement apparatus | Seiichi Sakamoto | 1985-04-23 |
| 4505651 | Scroll type compressor with displacement adjusting mechanism | Akihiro Kawano, Atsushi Mabe | 1985-03-19 |
| 4492543 | Orbiting member fluid displacement apparatus with rotation preventing mechanism | Takayuki Iimori, Seiichi Sakamoto | 1985-01-08 |
| 4490099 | Scroll type fluid displacement apparatus with thickened center wrap portions | Masaharu Hiraga | 1984-12-25 |
| 4477238 | Scroll type compressor with wrap portions of different axial heights | — | 1984-10-16 |
| 4475875 | Scroll type fluid displacement apparatus with balance weight | Kazuo Sugimoto | 1984-10-09 |
| 4460321 | Axial clearance adjustment mechanism for scroll type fluid displacement apparatus | — | 1984-07-17 |
| 4457674 | High efficiency scroll type compressor with wrap portions having different axial heights | Akihiro Kawano | 1984-07-03 |
| 4437820 | Scroll type fluid compressor unit with axial end surface sealing means | Masaharu Hiraga | 1984-03-20 |
| 4435137 | Scroll-type fluid compressor with scroll stabilizing mechanism | — | 1984-03-06 |
| 4435136 | Orbiting piston type fluid displacement apparatus with shaft bearing and seal mechanisms | Seiichi Sakamoto | 1984-03-06 |
| 4411604 | Scroll-type fluid displacement apparatus with cup shaped casing | — | 1983-10-25 |
| 4406600 | Scroll-type fluid displacement apparatus with rotation prevention/thrust bearing means for orbiting scroll member | Seiichi Sakamoto | 1983-09-27 |
| 4340339 | Scroll type compressor with oil passageways through the housing | Masaharu Hiraga | 1982-07-20 |
| 4332535 | Scroll type compressor having an oil separator and oil sump in the suction chamber | Masaharu Hiraga | 1982-06-01 |
| 4314796 | Scroll-type compressor with thrust bearing lubricating and bypass means | — | 1982-02-09 |
| 4304535 | Scroll-type compressor units with minimum housing and scroll plate radii | — | 1981-12-08 |
| 4303379 | Scroll-type compressor with reduced housing radius | Masaharu Hiraga | 1981-12-01 |
| 4301716 | Refrigerant compressor units | Nobuaki Saegusa | 1981-11-24 |
| 4236878 | Lubrication system for compressor unit | — | 1980-12-02 |