Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319549 | Secondary air supply system | Kenji Yoneda, Fumio Sanezawa, Yasuo Takagi | 1982-03-16 |
YU
Yuji Ushijima
Overall (1982): #21,314 of 81,411Top 30%
1
Patents 1982