Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881376 | Adsorption refrigeration system | Yasuo Yonezawa, Masao Matsushita, Hiroki Nakano, Shin Okumura, Motoshi Yoshihara +2 more | 1989-11-21 |
| 4709558 | Adsorption refrigerating apparatus | Masao Matsushita, Hiroki Nakano, Shin Okumura | 1987-12-01 |