Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608485 | Photographic film cassette having a spool locking device and camera for use with the same | Tomoyuki Takahashi | 1997-03-04 |
HK
Hideaki Kataoka
Overall (1997): #141,918 of 185,788Top 80%
1
Patents 1997