Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472222 | Multifunction pen | Shinichi Ushiku, Tsuyoshi Nishida, Masashi Sakagami, Satoru Okabe, Yusuke Koizumi | 2022-10-18 |
| 11221686 | Multifunction pen | Shinichi Ushiku, Tsuyoshi Nishida, Masashi Sakagami, Satoru Okabe, Yusuke Koizumi | 2022-01-11 |