Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875839 | Scroll member for use in a positive displacement device, and a method for manufacturing the same | Hirotsugu Sakata, Makoto Hayano, Hitoshi Hattori, Naoya Morozumi, Kouichi Yoneyama +3 more | 1989-10-24 |
| 4294081 | Freezing refrigerator | Akio Mitani, Moriyoshi Sakamoto | 1981-10-13 |