Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700093 | Bearing structure | Nobutaka Hiramatsu, Mitsuru Sugita, Takayuki Shibayama | 1997-12-23 |
| 5671835 | Wet friction member | Tadashi Tanaka, Mitsuru Sugita, Katsumi Sawano, Akira Ono | 1997-09-30 |