Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260776 | Desk top electronic calculator | Junichi Motoyoshi | 1981-09-15 |
| D260777 | Combined electronic calculator and clock | Tsutomu Okuyama | 1981-09-15 |
| D258666 | Combined electronic calculator and clock | Junichi Motoyoshi | 1981-03-24 |
| D255246 | Desk top electronic calculator | Kaname Suwa | 1980-06-03 |
| D255245 | Desk top electronic calculator | Kazuyoshi Odagawa | 1980-06-03 |