Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781281 | Resin for ink and ink | Hiroyuki Hisada, Lin Zhou, Maiko Yamamoto | 2020-09-22 |
| 9254249 | Ultraviolet absorber | Takashi Watanabe, Keigo Mikame, Satoshi Sugawara, Kenzo Koike | 2016-02-09 |