Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D277006 | Optical character reader | Mutsumi Takahashi, Shosuke Sato | 1985-01-01 |
| 4419572 | Check digit calculator | Mutsumi Takahashi, Toshio Uwabe, Toshio Nagase, Shosuke Sato | 1983-12-06 |
| 4272674 | Check digit calculator | Mutsumi Takahashi, Toshio Uwabe, Toshio Nagase, Shosuke Sato | 1981-06-09 |