Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10049200 | Electronic seal, authentication system, and computer-readable recording medium | — | 2018-08-14 |
| 9986066 | Collective output system, collective output method and terminal device | Shogo Hyakutake, Hideaki Kitagawa, Yuji Morioka | 2018-05-29 |
| 9907108 | Communication system and communication method | Tatsuo Miyachi, Yoshikazu Azuma | 2018-02-27 |