Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10866657 | Integrated circuit and electronic pen | Shigeru Yamashita, Toshihiko Horie | 2020-12-15 |
| D897341 | Cartridge for an electronic pen | Ryoji Kamiyama, Toshihiko Horie, Shigeru Yamashita | 2020-09-29 |
| 10768720 | Electronic pen | Shigeru Yamashita, Ryoji Kamiyama | 2020-09-08 |