Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D258892 | Electronic calculating machine | Yoshihisa Ohie | 1981-04-14 |
| D257003 | Watch | Shinichi Yokoyama | 1980-09-23 |
| D256924 | Combined electronic calculating machine and clock | Yoshihisa Ohie | 1980-09-16 |
| D256695 | Electronic calculating machine | — | 1980-09-02 |
| D255877 | Digital watch | — | 1980-07-15 |