Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499062 | Ink, ink set, ink container, image forming method, and image forming apparatus | Hiroshi Gotou, Yoshiaki Masuda, Masahiko Ishikawa, Kazuhiko Umemura, Keita Katoh +3 more | 2022-11-15 |
| 11274221 | Ink, ink set, ink container, image forming method, image forming apparatus and recorded matter | Kazuhiko Umemura, Yuuki Yokohama, Akihiko Matsuyama, Amika Sagara, Mayumi Yoshihara +1 more | 2022-03-15 |