Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870486 | Virtual stereographic display system | Kojiro Tsubota, Kunihiko Yamamoto | 1989-09-26 |
KN
Kenichi Nakagawa
Overall (1989): #88,131 of 140,708Top 65%
1
Patents 1989