Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321654 | Frame unit for electronic communication devices | Toshihiko Nakajo, Yoshihiro Takahashi, Katsuo Okuyama | 1982-03-23 |
YM
Yutaka Matsukuma
Overall (1982): #21,479 of 81,411Top 30%
1
Patents 1982