Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186556 | Enclosed type compressor and its manufacturing method | Ryoko Masuyama, Akiko Mori, Shigeru Muramatsu | 2001-02-13 |
| 5451148 | Check valve device for scroll compressor | Ryoichi Matsuzaki, Takeshi Hashimoto, Shigeru Muramatsu, Toshiharu Yasu | 1995-09-19 |
| 5277562 | Scroll fluid machine and producing method for the same | Hiroyuki Fukuhara, Shigeru Muramatsu | 1994-01-11 |