Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315221 | Switching circuit | Kohji Ishida | 1982-02-09 |
TN
Tatsuo Numata
Overall (1982): #28,937 of 81,411Top 40%
1
Patents 1982