Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553696 | Air conditioning apparatus | Isamu Ichikawa, Keiji Kamata, Hikoshiro Suzuki | 1985-11-19 |
| 4491061 | Air conditioning system | Toshio Nishizawa, Keiji Kamata, Osamu Nonomura | 1985-01-01 |
| 4406397 | Central air conditioning equipment | Keiji Kamata, Hikoshiro Suzuki | 1983-09-27 |