Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D706865 | Electronic calculator | Mitsuaki Kumagai, Takao Obata, Noboru Ishii, Toshikazu Minegishi, Yoshiaki Kasai +9 more | 2014-06-10 |
| D680108 | Electronic computer with display unit | Mitsuaki Kumagai, Takao Obata, Noboru Ishii, Toshikazu Minegishi, Yoshiaki Kasai +9 more | 2013-04-16 |