Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859044 | Large aperture lens system for use in a copier | — | 1989-08-22 |
TK
Taira Kouchiwa
Overall (1989): #53,144 of 140,708Top 40%
1
Patents 1989