| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Semiconductors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukushima Yasuyuki | 15 |
| #2 | Fujitsuka Hiroyuki | 9 |
| #3 | Ueda Tetsuzo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011192658A1 | Position pointer, variable capacitor and inputting apparatus | |
| US2009114459A1 | Coordinate input device, position indicator and variable capacitor |