Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867649 | Refrigerating system | Kenichi Kawashima, Atsushi Suginuma, Yukio Takahashi, Kenji Tojo | 1989-09-19 |
| 4815943 | Variable displacement wobble plate compressor with capacity control valve | Kenichi Kawashima, Kenji Emi, Akira Tezuka, Kosaku Sayo, Toshikazu Ito +9 more | 1989-03-28 |
| 4801248 | Variable capacity swash plate compressor | Kenji Tojo, Yuzo Kadomukai, Yozo Nakamura, Atsushi Suginuma, Isao Hayase +1 more | 1989-01-31 |