Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617180 | Apparatus for conveying photographic film | — | 1997-04-01 |
SY
Sumio Yoshikawa
Overall (1997): #73,218 of 185,788Top 40%
1
Patents 1997