Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021624 | Oil-based magnetic ink | Kenji Yamada, Yoshifumi Watanabe | 2021-06-01 |
| 10920096 | Oil-based inkjet ink and method for producing oil-based inkjet ink | Shinsuke Ozawa, Mitsuko Kitanohara, Hikaru Sugiura, Yoshifumi Watanabe, Manami Shimizu +1 more | 2021-02-16 |
| 10907062 | Oil-based inkjet ink and method for producing oil-based inkjet ink | Tomohiro Matsuzawa, Yoshifumi Watanabe, Yasuo Yamamoto, Mitsuko Kitanohara, Manami Shimizu | 2021-02-02 |