Inventor
ZAMA YOSHIYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ZAMA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINICHISEIKA COLOR CHEM
8 patentsUS6521038B2Feb 18, 2003
Near-infrared reflecting composite pigments
DAINICHISEIKA COLOR CHEM127 citations96
US4869532ASep 26, 1989
Prints and production method thereof
DAINICHISEIKA COLOR CHEM62 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
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
US7135062B2Nov 14, 2006
Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image
DAINICHISEIKA COLOR CHEM0 citations38
KAKEN PHARMA CO LTD
3 patentsUS4822786AApr 18, 1989
Cephalosporin compounds, and antibacterial agents
KAKEN PHARMA CO LTD41 citations89
US4883879ANov 28, 1989
Cephalosporin compounds, processes for their preparation and antibacterial agents
KAKEN PHARMA CO LTD3 citations59
US5081248AJan 14, 1992
Pyridine-n-oxide derivative
KAKEN PHARMA CO LTD4 citations57