Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234646 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Haruko Ashida, Takeo Ozawa | 2007-06-26 |
| 6874694 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Haruko Ashida, Takeo Ozawa | 2005-04-05 |
| 6837443 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Haruko Ashida, Takeo Ozawa | 2005-01-04 |
| 5197293 | Method of controlling an air conditioning apparatus and air conditioning apparatus using the method | Kiyoshi Nagasawa, Kuniyuki Yamada | 1993-03-30 |