Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870569 | Vector access control system | Shoji Nakatani | 1989-09-26 |
KS
Kazushi Sakamoto
Overall (1989): #89,863 of 140,708Top 65%
1
Patents 1989