Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669469 | Catalyst combustion device and method of producing frame body portion thereof | Motohiro Suzuki, Tatsuo Fujita, Tetsuo Terashima, Toshiaki Ando, Yukio Watanabe | 2003-12-30 |
| 6006544 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Akira Fujitaka +3 more | 1999-12-28 |
| 5806326 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Akira Fujitaka +3 more | 1998-09-15 |