Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289868 | Absorption chiller heater and unit-type air conditioning system | Yasuo Koseki, Ryuichi Kaji, Hiroaki Yoda, Takashi Nakao, Akira Nishiguchi +2 more | 1994-03-01 |
| 5282369 | Multiple type absorption air conditioning system | Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Michihiko Aizawa, Takashi Nakao +2 more | 1994-02-01 |
| 5275010 | Control method and apparatus of absorption chiller heater | Daisuke Hisajima, Akira Nishiguchi, Yasuo Koseki, Michihiko Aizawa, Hiroaki Yoda +1 more | 1994-01-04 |