Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695326 | Compressor for a refrigeration machine having a thrust bearing | Hideto Oka, Hirotsugu Fukuoka, Hiroshi Matsunaga, Masahiro Tsubokawa | 1997-12-09 |
| 5690475 | Scroll compressor with overload protection | Sadayuki Yamada, Nobuyuki Shiratake, Hiroyuki Fukuhara | 1997-11-25 |
| 5685703 | Hermetically sealed rotary compressor having an oil supply passage to the compression compartment | Hirotsugu Fukuoka, Keisuke Morita, Hiroshi Matsunaga | 1997-11-11 |
| 5652399 | Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano | Yuji Fujiwara, Taro Kawabata, Yasuhiko Oba, Yoshimasa Isozaki, Jun Ishii | 1997-07-29 |
| 5630712 | Electrically-driven closed scroll compressor having means for minimizing an overturning moment to an orbiting scroll | Manabu Sakai | 1997-05-20 |
| 5622487 | Scroll compressor having a separate stationary wrap element secured to a frame | Hiroyuki Fukuhara, Sadayuki Yamada | 1997-04-22 |
| 5607291 | Closed compressor | Keisuke Morita, Hiroshi Matsunaga, Shinji Fujiwara | 1997-03-04 |