Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092134 | Heating and cooling air conditioning system with improved defrosting | Hideaki Tagashira, Masami Imanishi, Shunsuke Ohara, Katsumi Kasano, Takeshi Yoshida +1 more | 1992-03-03 |
| 4660389 | Ceiling-concealment type air conditioning apparatus | Yoshinobu Igarashi, Junji Okabe | 1987-04-28 |
| 4514138 | Leakage water discharge method and apparatus in a reversible hydraulic machine | Taizo Inagaki, Kentaro Ichikawa, Yozo Kawase | 1985-04-30 |