Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12216841 | Electronic pen, electronic pen cartridge, and electronic pen main unit | — | 2025-02-04 |
| 12153744 | Electronic pen and electronic pen main body | — | 2024-11-26 |
| 12001618 | Knock-type electronic pen including first and second position indicators located at different ends of a tubular casing | Daisuke Watanabe, Masamitsu Ito | 2024-06-04 |
| 11941194 | Electronic pen cartridge | — | 2024-03-26 |
| 11861078 | Electronic pen central rod and electronic pen main body part | — | 2024-01-02 |
| 11809644 | Electronic pen, electronic pen cartridge, and electronic pen main unit | — | 2023-11-07 |
| D1001130 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2023-10-10 |
| 11714498 | Electronic pen core body and electronic pen | Toshihiko Horie, Masamitsu Ito, Daisuke Watanabe | 2023-08-01 |
| 11662834 | Electronic erasing device and writing information processing system | Toshihiko Horie, Masamitsu Ito, Shigeru Yamashita, Fujii Kosuke | 2023-05-30 |
| D978966 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2023-02-21 |
| D978243 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2023-02-14 |
| 11573649 | Electronic pen core body and electronic pen | Toshihiko Horie, Masamitsu Ito, Daisuke Watanabe | 2023-02-07 |
| 11531410 | Electronic pen central rod and electronic pen main body part | — | 2022-12-20 |
| D968408 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2022-11-01 |
| D966268 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2022-10-11 |
| 11385725 | Electronic erasing device and writing information processing system | Toshihiko Horie, Masamitsu Ito, Shigeru Yamashita, Fujii Kosuke | 2022-07-12 |
| 11360584 | Electronic pen | Shigeru Yamashita, Masamitsu Ito | 2022-06-14 |
| D947192 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2022-03-29 |
| D947191 | Cover for a cartridge of an electronic pen | — | 2022-03-29 |
| D946576 | Cartridge for an electronic pen | Masamitsu Ito, Toshihiko Horie | 2022-03-22 |
| D946575 | Cartridge for an electronic pen | — | 2022-03-22 |
| 11169625 | Electronic pen | Shigeru Yamashita, Masamitsu Ito | 2021-11-09 |
| D897341 | Cartridge for an electronic pen | Toshihiko Horie, Masamitsu Ito, Shigeru Yamashita | 2020-09-29 |
| 10768720 | Electronic pen | Shigeru Yamashita, Masamitsu Ito | 2020-09-08 |
| 10739872 | Electronic pen and electronic pen main body unit | Toshihiko Horie, Shigeru Yamashita | 2020-08-11 |