Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728655 | Refrigerating machine oil composition for use with HCFC and HFC refrigerants | Masayoshi Muraki, Yukiharu Beppu, Shozaburo Konishi, Takayoshi Hamada, Nobuo Murata | 1998-03-17 |
| 4826346 | Camshaft preferably for an internal combustion engine | Tadashi Hishida | 1989-05-02 |