Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633510 | Colorant for plastic, coloring composition for plastic using the same, and plastic molded article | Noriyoshi Takahata, Naoki Hamada, Takashi Kasuya | 2020-04-28 |
| 10155867 | Method for producing halogenated organic pigment, halogenated organic pigment obtained by the production method, and colored composition comprising the same | Noriyoshi Takahata, Naoki Hamada, Takashi Kasuya | 2018-12-18 |
| 6793727 | Pigment composition and ink composition using the same | Shigeki Kato | 2004-09-21 |
| 6451103 | Self-dispersible aqueous pigment dispersion | Toshiyuki Uemura, Tsukasa Iguchi, Mikiya Kato | 2002-09-17 |
| 5635552 | Method for dispersing pigment and water-based pigment dispersion | Atsushi Endo, Tadashi Itabashi, Masami Kuwabara | 1997-06-03 |
| 5556966 | Process for the production of aluminum phthalocyanine composition | Shuuichi Kimura, Michichika Hikosaka, Masami Shirao, Junichi Tsuchida | 1996-09-17 |
| 5476544 | Water-based pigment dispersion | Atsushi Endo, Michichika Hikosaka, Tsutomu Fujigamori | 1995-12-19 |
| 5420187 | Pigment dispersing agent and its use | Atsushi Endo, Michichika Hikosaka, Tsutomu Fujigamori | 1995-05-30 |
| 5304245 | Coating composition | Michichika Hikosaka | 1994-04-19 |
| 5286287 | Monoazo lake pigment suitable for use in printing ink and process for the production thereof | Yuuji Hirasawa | 1994-02-15 |
| 5034063 | Dispersant-containing disazo pigment composition | Yoshie Suzuki, Ataru Chiba, Kenji Kitamura | 1991-07-23 |