Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9158780 | Information storage device and information service system | Toshikazu Hayashi, Kazuhiko Shimura | 2015-10-13 |
| 8898225 | Storage medium storing user information registration program and user information registration method | Kazuhiko Shimura | 2014-11-25 |