Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D863392 | Lens | Keiichi Tatsuta | 2019-10-15 |
| D859492 | Lens | Keiichi Tatsuta | 2019-09-10 |
| D859493 | Lens | Keiichi Tatsuta | 2019-09-10 |
| D858600 | Lens | Keiichi Tatsuta | 2019-09-03 |
| 7248275 | Thermal head including Si substrate and method for manufacturing the same | — | 2007-07-24 |