Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5799497 | Refrigerating apparatus | Tetsuo Sano, Yasuhiro Arai, Tetsuji Yamashita, Koichi Goto | 1998-09-01 |
| 5499508 | Air conditioner | Yasuhiro Arai, Tetsuo Sano, Tetsuji Yamashita, Koichi Goto | 1996-03-19 |
| 5466279 | Electric dust collector system | Takao Hattori, Toru Yamaguchi | 1995-11-14 |
| 4735058 | Air conditioning apparatus | Kenji Umezu, Kazuhiro Moriyama | 1988-04-05 |