Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232355 | Scroll-type fluid apparatus having a labyrinth and oil seals surrounding a scroll shaft | Yutaka Yamasaki | 1993-08-03 |
| 5037280 | Scroll fluid machine with coupling between rotating scrolls | Mitsuhiro Nishida, Etsuo Morishita, Sakuei Yamamoto | 1991-08-06 |
| D315912 | Vacuum pump | Mitsuhiro Nishida, Nobuyuki Kondoh, Yoshinori Abe | 1991-04-02 |
| 4973232 | Rotating scroll machine with oil pump | Isamu Etou, Kiyonori Tokumitsu, Mitsuhiro Nishida | 1990-11-27 |
| 4954056 | Scroll machine with pin coupling | Yoshifumi Muta | 1990-09-04 |