Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979794 | Wire cutting device of wire electric discharge machine | Akiyoshi Kawahara | 2005-12-27 |
| 6844517 | Power supply device for electric discharge machine | Masao Murai, Akiyoshi Kawahara, Akihiro Sakurai | 2005-01-18 |
| 4887436 | Defrosting system for a heat exchanger | Toshihiko Enomoto, Takashi Watanabe, Takao KOMAI, Tatsuya Mochizuki | 1989-12-19 |
| 4771610 | Multiroom air conditioner | Akio Fukushima, Junji Tamari, Kiyoshi Sakuma, Yoshiaki Tanimura, Yasuo Sato +3 more | 1988-09-20 |
| 4702087 | Ceiling suspended air conditioner | Isamu Nakajima, Nobuyuki Miyazaki, Kazuo Ishino | 1987-10-27 |
| 4499739 | Control device for refrigeration cycle | Fumio Matsuoka, Hitoshi Iijima, Kisuke Yamazaki, Hiroshi Kasagi, Kiyoshi Sakuma +1 more | 1985-02-19 |