Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322608 | Facsimile | — | 1991-12-24 |
| D311172 | Keyboard | — | 1990-10-09 |
| D310070 | Central processing unit for electronic filing system | — | 1990-08-21 |
| D309730 | Reader with feeder for electronic filing system | — | 1990-08-07 |
| D309602 | Automatic disc changer for electronic filing system | — | 1990-07-31 |
| D308667 | Reader for electronic filing system | — | 1990-06-19 |
| D307134 | Data entry writing pad for electronic filing system | — | 1990-04-10 |
| D302023 | Cash register | — | 1989-07-04 |
| D301894 | Cash register | Akira Tsukada | 1989-06-27 |
| D301589 | Cash register | — | 1989-06-13 |