Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431762 | Process for producing dichlorodiketopyrrolopyrrole pigment of the α modification, dichlorodiketopyrrolopyrrole pigment of the α modification produced by the process, and coloring composition using the same | Hidenori MINASHIMA, Taro Murohoshi | 2008-10-07 |
| RE37191 | Process for preparing pigment composition, pigment composition and its use | Mikio Hayashi | 2001-05-29 |
| 5942028 | Process for producing printing ink | Mikio Hayashi, Hideto Noguchi | 1999-08-24 |
| 5776237 | Process for preparing pigment composition, pigment composition and its use | Mikio Hayashi | 1998-07-07 |
| 5772750 | Process for producing .beta.-form copper phthalocyanine pigment | Mikio Hayashi | 1998-06-30 |
| 5243031 | Process for the production of monoazo lake pigment coated with water-insoluble rosin and improved in lipophilic nature and water resistance | Hitoshi Sugamo, Yusuke Watabe | 1993-09-07 |
| 5144014 | Process for production of monoazo lake coated with water-insoluble metal salt of rosin | Hitoshi Sugamo, Yusuke Watabe | 1992-09-01 |