Inventor

OZAKO SHUWA

JP4 patents

Patents

4 patents

US10961227B2Mar 30, 2021

Pigment dispersing agent, pigment composition, and pigment coloring agent

DAINICHISEIKA COLOR CHEM0 citations57

US10655017B2May 19, 2020

Pyrimidoquinazoline pigment, method for manufacturing pyrimidoquinazoline pigment, and pigment colorant

DAINICHISEIKA COLOR CHEM0 citations47

US10344166B2Jul 9, 2019

Black azo pigment and colorant

DAINICHISEIKA COLOR CHEM0 citations45

US10723882B2Jul 28, 2020

Black isoindolinone pigment and coloring agent

DAINICHISEIKA COLOR CHEM0 citations42