Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234646 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Takeo Ozawa, Tetsunobu Okamura | 2007-06-26 |
| 6874694 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Takeo Ozawa, Tetsunobu Okamura | 2005-04-05 |
| 6837443 | Heat pump hot-water supply system | Kenichi Saitoh, Masahiko Gommori, Hiroshi Kogure, Takeo Ozawa, Tetsunobu Okamura | 2005-01-04 |