Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6992860 | Recording/reproducing separated magnetic head with concave portion formed in air bearing protective film | Eiji Nakanishi, Yukihiro Isono, Shigeru Tadokoro, Sunao Yonekawa, Tetsuya Matsusaki | 2006-01-31 |
| 5024064 | Method of operating adsorption refrigerator | Yasuo Yonezawa, Toshiya Ohnishi, Shin Okumura, Akiyoshi Sakai, Hiroki Nakano +2 more | 1991-06-18 |
| 5005371 | Adsorption thermal storage apparatus and adsorption thermal storage system including the same | Yasuo Yonezawa, Toshiya Ohnishi, Shin'ichi Okumura, Akiyoshi Sakai, Hiroki Nakano +2 more | 1991-04-09 |
| 4881376 | Adsorption refrigeration system | Yasuo Yonezawa, Kenzo Oku, Hiroki Nakano, Shin Okumura, Motoshi Yoshihara +2 more | 1989-11-21 |
| 4709558 | Adsorption refrigerating apparatus | Kenzo Oku, Hiroki Nakano, Shin Okumura | 1987-12-01 |
| 4610679 | Bedsore-free diaper | — | 1986-09-09 |