Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762487 | Method for adjusting resonance frequency of resonance circuit included in electronic pen, electronic pen, and method for manufacturing electronic pen | Masamitsu Ito, Toshihiko Horie | 2023-09-19 |
| 11669176 | Integrated circuit and electronic pen | Toshihiko Horie, Masamitsu Ito | 2023-06-06 |
| 11662834 | Electronic erasing device and writing information processing system | Ryoji Kamiyama, Toshihiko Horie, Masamitsu Ito, Fujii Kosuke | 2023-05-30 |