Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361177 | Optical device fixing device | — | 2002-03-26 |
| 6144511 | Optical device fixing device | Takeyoshi Imaki | 2000-11-07 |
| D393837 | Fingerprint distinction reader | Tetsuya Iino | 1998-04-28 |
| D389817 | Fingerprint distinction reader | — | 1998-01-27 |