Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617938 | Friction clutch | Kazuhiko Nakamura, Mitsuru Saito, Hiroaki Kayama | 1997-04-08 |
YT
Yoshiaki Tsukada
Overall (1997): #55,016 of 185,788Top 30%
1
Patents 1997