Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395107 | Authentication method, computer system, server computer and authentication program | Junpei Shibata, Hiroki Oyama, Norikazu Nakato | 2019-08-27 |
| 10338728 | Method, computer, and stamp system | Junpei Shibata | 2019-07-02 |
| 10156916 | Input device identification method, input device identification apparatus, and input system | Kazuhiro Kubota | 2018-12-18 |
| 7508542 | Image forming device and image forming method | — | 2009-03-24 |
| 6903848 | Image reading apparatus, image recording apparatus and image forming apparatus | — | 2005-06-07 |