Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175748 | Learning support system | Tatsunosuke Tobita | 2021-11-16 |
| 11150750 | Electronic pen and electronic pen main body unit | Kohei Tanaka, Kenichi Ninomiya, Takenori Kaneda | 2021-10-19 |
| 11141963 | Surface protective film | Yutaka Kamada, Arata Tani, Soh KATO | 2021-10-12 |
| 11084264 | Surface protective film laminate, surface protective film and producing method thereof | Yutaka Kamada, Arata Tani, Soh KATO | 2021-08-10 |
| 10990201 | Pen input device sheet and method for manufacturing pen input device sheet | So KATO | 2021-04-27 |
| 10977955 | Digital input device, digital correction device and distance learning system | — | 2021-04-13 |