Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D268420 | Electronic cash register | Junichi Sakamoto, Yoshihisa Ohie | 1983-03-29 |
| D264599 | Electronic cash register | Junichi Sakamoto | 1982-05-25 |
| D264600 | Key board for electronic cash register | Tsutomu Yamasaki | 1982-05-25 |
| D261994 | Digital watch | Masafumi Yamagami, Shigeaki Hayashi | 1981-11-24 |
| D261731 | Digital watch | Masafumi Yamagami, Shigeaki Hayashi | 1981-11-10 |
| D261732 | Digital watch | Masafumi Yamagami, Shigeaki Hayashi | 1981-11-10 |
| D259201 | Electronic calculating machine | Masaji Sawada | 1981-05-12 |