Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981499 | Ballpoint pen | — | 2018-05-29 |
| 9889701 | Writing implement | Tooru Nakajima, Kazuhiko Furukawa | 2018-02-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981499 | Ballpoint pen | — | 2018-05-29 |
| 9889701 | Writing implement | Tooru Nakajima, Kazuhiko Furukawa | 2018-02-13 |