Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323150 | Azo compound, ink composition, ink jet recording method, and colored article | Takashi Yoneda, Junya Masegi, Taku Iino | 2019-06-18 |
| 8932393 | Azo compound, ink composition, recording method and colored material | Takashi Yoshimoto, Akira Kawaguchi | 2015-01-13 |
| 8864891 | Ink composition, inkjet recording method and colored body | Akira Kawaguchi, Takashi Yoshimoto | 2014-10-21 |
| 8741045 | Ink composition, inkjet recording method, and colored material | Akira Kawaguchi, Takahiko Matsui, Takashi Yoshimoto | 2014-06-03 |
| 8741046 | Ink composition, inkjet recording method and colored body | Akira Kawaguchi, Takahiko Matsui, Takashi Yoshimoto | 2014-06-03 |
| 8657433 | Porphyrazine coloring matter, ink composition, recording method, and colored object | Takashi Yoneda, Yasuo Kuroda, Akira Kawaguchi | 2014-02-25 |
| 8535432 | Porphyrazine coloring matter, ink composition containing the same and colored product | Takashi Yoneda, Akira Kawaguchi, Yuka Shishikura, Tomoki Fujita | 2013-09-17 |