Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083674 | Pigment dispersant, and pigment composition, pigment dispersion and printing ink using the same | Takashi Kamikubo | 2006-08-01 |
| 7077899 | Pigment dispersing agent, pigment composition containing the same and pigment dispersion containing the same | Takashi Kamikubo, Daisuke Tanabe | 2006-07-18 |