Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254755 | Electroplating process for oldham ring and scroll member type compressor comprising the same | Shigeki Miura, Nobuo Hagi, Kazuhiko Inoguchi | 2001-07-03 |
| 6135737 | Scroll hydraulic machine | Shigeki Miura, Kazuhide Watanabe, Takeshi Hirano | 2000-10-24 |
| 6116860 | Scroll compressor | Shigeki Miura | 2000-09-12 |
| 5522715 | Horizontal scroll compressor having oil path extending to upper part of thrust face of compressor structure | Kazuhide Watanabe, Hisao Mizuno | 1996-06-04 |
| 5520525 | Scroll compressor having wraps with recesses | Hisao Mizuno, Hiroyuki Kobayashi, Kazuhiro Sato | 1996-05-28 |
| 5494422 | Scroll type compressor having a discharge valve retainer with a back pressure port | Tetuzou Ukai, Kazuhiro Sato | 1996-02-27 |
| 5492460 | Scroll-type fluid machine having a wear-resistant plate | Tetuzou Ukai, Masumi Sekita | 1996-02-20 |
| 5447418 | Scroll-type fluid machine having a sealed back pressure chamber | Tetuzou Ukai, Masumi Sekita | 1995-09-05 |
| 5400611 | Refrigerating cycle machine | Tetuzou Ukai, Kazuhiro Suzuki, Kazuhiro Sato | 1995-03-28 |
| 5375986 | Oil pump for a closed type compressor | Tetuzou Ukai, Masumi Sekita | 1994-12-27 |
| 5316454 | Fluid pump and rotary machine having said fluid pump | Makoto Fujitani, Yukio Nagato, Katsumi Hirooka, Tetsuzo Ukai, Toshiyuki Shikanai | 1994-05-31 |
| 5257920 | Scroll type compressor having a centered opening to a high pressure chamber | — | 1993-11-02 |
| 4856973 | Scroll-type fluid machine with specific inner curve segments | Takahisa Hirano, Kiyoshi Hagimoto | 1989-08-15 |