Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356695 | By-pass valve apparatus of an exhaust turbocharger for an internal combustion engine | Tsuguo Watanabe, Ken Yamane | 1982-11-02 |
YS
Yasuo Sumi
Overall (1982): #22,400 of 81,411Top 30%
1
Patents 1982