Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682569 | Shutter charge device | — | 1997-10-28 |
| 5628039 | Lens-fitted photographic film unit | Katsuji Muramatsu, Fuminori Kawamura, Hideo Sasajima | 1997-05-06 |
HK
Hirofumi Katsura
Overall (1997): #38,457 of 185,788Top 25%
2
Patents 1997