| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Digital networks | |
| #3 | Computer technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kasatani Kiyoshi | 24 |
| #2 | Sakamoto Hisao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020326840A1 | Handwriting input apparatus, handwriting input method, and non-transitory recording medium | |
| US2020327307A1 | Handwriting input apparatus, handwriting input method, program, and input system |