Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381260 | Thiazineindigo pigment dispersant, and pigment composition, colored composition and color filter, using the same | Masayuki Fujiki | 2008-06-03 |
| 6989055 | Monoazo lake pigment composition and gravure ink using the same | Kenji Kitamura, Shigeki Kato, Hitoshi Maki, Motoi Shitaka, Osamu Shiromaru | 2006-01-24 |