Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470702 | Absorption water heater/chiller and high temperature regenerator therefor | Yasushi Funaba, Norihiro Itou, Satoshi Miyake, Michiyuki Uchimura | 2002-10-29 |
| 6301925 | Absorption water heater/chiller and high temperature regenerator therefor | Yasushi Funaba, Norihiro Itou, Satoshi Miyake, Michiyuki Uchimura | 2001-10-16 |
| 5353866 | Heat transfer fins and heat exchanger | Hironobu Ueda, Toshio Hatada, Yoshifumi Kunugi, Sigeo Sugimoto, Tamio Shimizu +1 more | 1994-10-11 |
| 4841744 | Double effect air cooled absorption refrigerating machine | Shigekichi Kurosawa, Yoshikazu Nagaoka, Shinichi Kannoh, Sadatoshi Takemoto, Shigeo Sugimoto +5 more | 1989-06-27 |
| 4791984 | Heat transfer fin | Toshio Hatada, Yoshifumi Kunugi, Shigeo Sugimoto, Junichi Kaneko | 1988-12-20 |
| 4748830 | Air-cooled absorption heating and cooling system | Kyoji Kohno, Yoshifumi Kunugi, Kenzi Machizawa | 1988-06-07 |
| 4520634 | Multi-stage absorption refrigeration system | Sampei Usui, Tamio Fukuda, Akira Nishiguchi | 1985-06-04 |
| 4499859 | Vapor generator | Akira Nishiguchi, Sanpei Usui, Kazumi Iwai | 1985-02-19 |