Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351044 | Recording system using disk-shaped recording medium | Seizou Tsuji | 1982-09-21 |
RI
Ryoichi Imanaka
Overall (1982): #32,395 of 81,411Top 40%
1
Patents 1982