Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9034095 | Greenish blue pigment, colorant composition containing said pigment, and image recording material | Koji Tsuchiya, Kenjiro Matsumoto, Takeshi Tamaki | 2015-05-19 |
| 6368399 | Composite pigments, coloring compositions, and image recording substances | Yukio Kanbara, Shigeru Takarada, Kazutaka Aoki, Keiji Nakajima, Shotoku Takami | 2002-04-09 |