Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717121 | Damper system for air conditioner | Yasuhiko Hashimoto | 1988-01-05 |
| 4679494 | Damper device for an air conditioning apparatus | Yasuhiko Hashimoto | 1987-07-14 |
| 4628707 | Air conditioner | — | 1986-12-16 |
| 4492094 | One-body type air conditioner | — | 1985-01-08 |