Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9665190 | Position indicator and manufacturing method thereof | Gunji Ishihara, Taketoshi Ito, Takashi Yamaguchi, Oki Nagashima | 2017-05-30 |
| 9143127 | Operation switch device | Hideo Tamura | 2015-09-22 |
| 6882340 | Electronic pen | Yashuyuki Fukuashima | 2005-04-19 |
| 6278440 | Coordinate input apparatus and position-pointing device | Yuji Katsurahira | 2001-08-21 |