Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864602 | PABX-connected facsimile machine | Yuichi Saito | 1989-09-05 |
SY
Shoji Yamamoto
Overall (1989): #56,492 of 140,708Top 45%
1
Patents 1989