Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910553 | Heat-dissipating waterproof structure | Takahiro Yagi, Kiyotaka Yokoyama, Akira Katsumata | 2024-02-20 |
| 11425843 | Heat radiation structure | Takahiro Yagi, Kiyotaka Yokoyama, Akira Katsumata | 2022-08-23 |
| 11224148 | Case, electronic device, and cooling method | Kiyotaka Yokoyama, Akira Katsumata, Takahiro Yagi | 2022-01-11 |
| 8419006 | Paper automatic-feeding apparatus, copying machine and facsimile apparatus | — | 2013-04-16 |