Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807089 | Scroll type compressor with a reinforced rotation preventing means | Yuichi Tsumagari, Shigeki Iwanami, Shigeru Hisanaga, Yasuhiro Oki, Shinya Yamamoto +5 more | 1998-09-15 |
| 5681155 | Scroll type compressor having an elastic body in the driven crank mechanism | Shigeru Hisanaga, Tsuyoshi Takemoto, Shigeki Iwanami, Haruhisa Shibata, Takeshi Sakai +5 more | 1997-10-28 |