Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12340035 | Electronic pen cartridge and electronic pen | Masamitsu Ito | 2025-06-24 |
| 12056297 | Electronic pen cartridge and electronic pen | Masamitsu Ito | 2024-08-06 |
| 11687172 | Electronic pen cartridge and electronic pen | Masamitsu Ito | 2023-06-27 |
| 10452161 | Position indicator including switch circuit that performs changeover between first resonance circuit and second resonance circuit | Masamitsu Ito, Shigeru Yamashita | 2019-10-22 |
| 10345930 | Magnetic core coil and electronic pen | Toshihiko Horie, Masamitsu Ito, Shigeru Yamashita, Ryoji Kamiyama | 2019-07-09 |
| 10101228 | Position indicator | Toshihiko Horie | 2018-10-16 |
| 9778123 | Position indicator | Toshihiko Horie | 2017-10-03 |
| 9702778 | Position indicator | Toshihiko Horie | 2017-07-11 |
| 9117933 | Capacitive pressure sensing semiconductor device | Toshihiko Horie | 2015-08-25 |
| 9063025 | Position indicator | Toshihiko Horie | 2015-06-23 |
| 8841735 | Capacitive pressure sensing semiconductor device | Toshihiko Horie | 2014-09-23 |
| 7675507 | Position detecting system and position detecting apparatus | Yasuo Oda | 2010-03-09 |