P

Inventor

OKAMOTO HISAO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINICHISEIKA COLOR CHEM

13 patents
US6521038B2Feb 18, 2003

Near-infrared reflecting composite pigments

DAINICHISEIKA COLOR CHEM127 citations96
US6299676B1Oct 9, 2001

Pigment dispersants, pigment dispersions and writing or recording pigment inks

DAINICHISEIKA COLOR CHEM17 citations92
US6821334B2Nov 23, 2004

Process for producing sulfonated solid particles

DAINICHISEIKA COLOR CHEM23 citations91
US6623556B2Sep 23, 2003

Near-infrared transmitting black azo pigments

DAINICHISEIKA COLOR CHEM25 citations91
US6726762B2Apr 27, 2004

Finely divided pigments and coloring compositions

DAINICHISEIKA COLOR CHEM13 citations83
US6302953B1Oct 16, 2001

Pigment dispersions for color filters, fabrication process of color filters, and color filters

DAINICHISEIKA COLOR CHEM15 citations83
US5961711AOct 5, 1999

Pigment dispersant, pigment dispersion, and pigment dispersion for color filter

DAINICHISEIKA COLOR CHEM17 citations83
US6471766B2Oct 29, 2002

Pigment dispersants and pigment compositions containing the same

DAINICHISEIKA COLOR CHEM11 citations71
US4638052AJan 20, 1987

Azo-pigment containing hydroxy naphthoic acid amide and an iminooxoisoindolenine components

DAINICHISEIKA COLOR CHEM2 citations60
US7611572B2Nov 3, 2009

Pixel-forming colorant compositions and their use

DAINICHISEIKA COLOR CHEM2 citations59
US9822266B2Nov 21, 2017

Near infrared-reflecting/transmitting azo pigment, method for manufacturing near infrared-reflecting/transmitting azo pigment, colorant composition using said azo pigments, item-coloring method and colored item

DAINICHISEIKA COLOR CHEM1 citations52
US7888398B2Feb 15, 2011

Pigment

DAINICHISEIKA COLOR CHEM0 citations49
US7361698B2Apr 22, 2008

Water-based pigment inks, image recording method, and image recording system

DAINICHISEIKA COLOR CHEM0 citations40

NISSAN MOTOR

4 patents

HITACHI GLOBAL STORAGE TECH NL

1 patent

HITACHI GLOBAL STORAGE TECH

1 patent