Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653909 | Refrigerating machine oil composition for use with HFC refrigerant | Masayoshi Muraki, Shozaburo Konishi, Susumu Kawaguchi, Noboru Masuda, Sou Suzuki | 1997-08-05 |
YB
Yukiharu Beppu
Mitsubishi Oil Co.: 1 patents #6 of 13Top 50%
Overall (1997): #54,740 of 185,788Top 30%
1
Patents 1997