Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865530 | Scroll-type vacuum apparatus with oil supply to a compression chamber | Mitsuhiro Nishida, Isamu Etou | 1989-09-12 |
| 4865531 | Scroll compressor with super-charging tube | Masayuki Kakuda | 1989-09-12 |
| 4846639 | Scroll compressor with members pressing rotating scrolls radially and axially | Masayuki Kakuda, Masahiro Sugihara, Tsutomu Inaba | 1989-07-11 |
| 4846640 | Scroll-type vacuum apparatus with rotating scrolls and discharge valve | Mitsuhiro Nishida, Isamu Etou | 1989-07-11 |
| 4842499 | Scroll-type positive displacement apparatus with oil supply to compression chamber | Mitsuhiro Nishida, Isamu Etou | 1989-06-27 |
| 4840549 | Scroll compressor with control of distance between driving and driven scroll axes | Masayuki Kakuda, Masahiro Sugihara, Tsutomu Inaba, Toshiyuki Nakamura, Tadashi Kimura | 1989-06-20 |
| 4815951 | Scroll compressor with super-charging tube | Masayuki Kakuda | 1989-03-28 |