Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303762 | Method of producing disazo pigment | Hitoshi Maki, Hideto Noguchi, Kenji Kitamura | 2001-10-16 |
| 5556966 | Process for the production of aluminum phthalocyanine composition | Shuuichi Kimura, Michichika Hikosaka, Akimitsu Mochizuki, Junichi Tsuchida | 1996-09-17 |
| 5286855 | Process for producing polyhalogenated phthalocyanine | Yoshiyuki Nonaka, Junichi Tsuchida, Michichika Hikosaka | 1994-02-15 |
| 5282896 | Process for producing phthalocyanine pigment composition containing highly halogenated different-metalo-phthalocyanine | Junichi Tsuchida, Michichika Hikosaka, Yoshiyuki Nonaka | 1994-02-01 |
| 5223027 | Polyhalogenated phthalocyanine, process for the production thereof, and use thereof | Yoshiyuki Nonaka, Junichi Tsuchida, Michichika Hikosaka | 1993-06-29 |
| 4948884 | Process for the halogenation of copper phthalocyanine | Yoshiyuki Nonaka, Junichi Tsuchida, Toshiro Notoji, Michichika Hikosaka | 1990-08-14 |