Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844235 | Ink, method of manufacturing ink, and ink cartridge | Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Akihiko Matsuyama, Yoshiki Yanagawa +3 more | 2020-11-24 |
| 10807377 | Ink, ink cartridge, image forming method, and printed matter | Takuya Yamazaki, Takuya Saiga, Hiroshi Gotou, Yuusuke Koizuka, Koichiro Oyama | 2020-10-20 |
| 10633549 | Ink, ink accommodating container, image forming method, and image forming device | Takuya Yamazaki | 2020-04-28 |