Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653909 | Refrigerating machine oil composition for use with HFC refrigerant | Yukiharu Beppu, Shozaburo Konishi, Susumu Kawaguchi, Noboru Masuda, Sou Suzuki | 1997-08-05 |
MM
Masayoshi Muraki
Mitsubishi Oil Co.: 1 patents #6 of 13Top 50%
Overall (1997): #108,392 of 185,788Top 60%
1
Patents 1997