Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809267 | Packet data communication system with ring type transmission line | Masahiro Higuchi, Haruki Fukuda, Kenshi Tazaki, Masahiro Matsuda | 1989-02-28 |
TA
Tomohiko Awazu
Overall (1989): #49,313 of 140,708Top 40%
1
Patents 1989