Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D270164 | Electrostatic copying machine | — | 1983-08-16 |
| D269276 | Electronic calculator | Harumi Sakamoto | 1983-06-07 |
| D268677 | Electronic computer | Yoshihisa Ohie, Akira Esaki, Tsutomu Yamasaki | 1983-04-19 |
| D266669 | Combined billing and controller terminal for filling stations | Tsutomu Yamasaki | 1982-10-26 |
| D261772 | Filling station terminal | Tsutomu Yamasaki | 1981-11-10 |
| D259201 | Electronic calculating machine | Harumi Tatsugami | 1981-05-12 |