Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653909 | Refrigerating machine oil composition for use with HFC refrigerant | Masayoshi Muraki, Yukiharu Beppu, Shozaburo Konishi, Susumu Kawaguchi, Sou Suzuki | 1997-08-05 |
| 5604840 | Information processing apparatus | Mitsuo Asai, Moritoshi Yasunaga, Masayoshi Yagyu, Minoru Yamada, Katsunari Shibata | 1997-02-18 |