Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934090 | Air conditioning unit | Tsutomu Ozu, Shigetoshi Akiyama, Hiroshi Ichikawa, Senzo Shinohara, Hiroaki Kashiwagi | 1999-08-10 |
| 5368476 | Low-NO.sub.x gas burner | Tatsuya Sugahara, Takao Takagi, Shigetoshi Akiyama | 1994-11-29 |
| 5318438 | Burner low in the generation of nitrogen oxides and a small combustion apparatus | Tatsuya Sugahara, Takao Takagi, Shigetoshi Akiyama | 1994-06-07 |