| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 10 | |
| #2 | China | 8 | |
| #3 | EPO (European Patent Office) | 8 | |
| #4 | United States | 7 | |
| #5 | Republic of Korea | 6 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Measurement | |
| #3 | Transport | |
| #4 | Optics | |
| #5 | Control | |
| #6 | Medical technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ogawa Yasuji | 33 |
| #2 | Yasuji Ogawa | 5 |
| #3 | Okura Tomohiro | 2 |
| #4 | Hashimoto Akio | 1 |
| #5 | Hosogai Toshio | 1 |
| #6 | Okura Michihiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2015115261A1 | Touch panel system | |
| KR20160148649A | Coordinate detection device | |
| US2009078059A1 | Pressure distribution detection device | |
| US2003085871A1 | Coordinate input device working with at least display screen and desk-top surface as the pointing areas thereof | |
| US6567078B2 | Handwriting communication system and handwriting input device used therein |