Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849990 | Digital communication system | Fumio Ikegami, Susumu Yoshida, Tsutomu Takeuchi, Sirikiat Ariyavisitakul | 1989-07-18 |
MS
Masaaki Sasada
Unknown: 1 patents #145 of 1,640Top 9%
Overall (1989): #79,028 of 140,708Top 60%
1
Patents 1989