Inventor

YAMAMIYA SHIROU

JP2 patents

Patents

2 patents

US6623556B2Sep 23, 2003

Near-infrared transmitting black azo pigments

DAINICHISEIKA COLOR CHEM25 citations91

US6471766B2Oct 29, 2002

Pigment dispersants and pigment compositions containing the same

DAINICHISEIKA COLOR CHEM11 citations71