Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568044 | Ink ribbon cartridge | Kazuyoshi Murata, Noboru Koyama | 2013-10-29 |
| 8411315 | Information processing device, information processing method, and program | Noboru Koyama, Tetsuya Hoshino, Yuma Kokuzawa | 2013-04-02 |