Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447177 | Spool lock member and photo film cassette having the same | — | 2002-09-10 |
| 5971312 | Photo film cassette and cassette containing case for the same | Tetsuya Takatori | 1999-10-26 |
| 5053706 | Compact low-distortion squid magnetometer | — | 1991-10-01 |