Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7316267 | Heat pump water device | Keijiro Kunimoto, Takeshi Watanabe, Ryuta Kondo, Satoshi Matsumoto | 2008-01-08 |
| 5533669 | Heat transfer apparatus | Katsuzo Kokawa, Katsuhiko Yamamoto, Tatsuki Sakurabu, Muneo Tao | 1996-07-09 |