Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862292 | Digital information signal recording apparatus | Masahiko Enari, Katsuji Yoshimura, Akio Aoki, Shinichi Yamashita, Makoto Shimokoriyama +3 more | 1989-08-29 |
YI
Yoshiki Ishii
Overall (1989): #41,123 of 140,708Top 30%
1
Patents 1989