Inventor · disambiguated record
Yoshiyuki Zama
Also filed as: ZAMA YOSHIYUKI
8 granted patents·250 citations·filing 1987–2005
87Inventor score
Files withDAINICHISEIKA COLOR CHEM8
Top patents by PatentIndex Score
8 records- 0196US6521038B2Near-infrared reflecting composite pigmentsDAINICHISEIKA COLOR CHEM·Filed 2001·Granted Feb 18, 2003·127 cites·18 claims
- 0288US6623556B2Near-infrared transmitting black azo pigmentsDAINICHISEIKA COLOR CHEM·Filed 2001·Granted Sep 23, 2003·25 cites·8 claims
- 0388US4869532APrints and production method thereofDAINICHISEIKA COLOR CHEM·Filed 1987·Granted Sep 26, 1989·62 cites·6 claims
- 0483US6821334B2Process for producing sulfonated solid particlesDAINICHISEIKA COLOR CHEM·Filed 2002·Granted Nov 23, 2004·23 cites·20 claims
- 0580US6726762B2Finely divided pigments and coloring compositionsDAINICHISEIKA COLOR CHEM·Filed 2002·Granted Apr 27, 2004·13 cites·13 claims
- 0644US7888398B2PigmentDAINICHISEIKA COLOR CHEM·Filed 2005·Granted Feb 15, 2011·0 cites·5 claims
- 0741US7361698B2Water-based pigment inks, image recording method, and image recording systemDAINICHISEIKA COLOR CHEM·Filed 2003·Granted Apr 22, 2008·0 cites·16 claims
- 0841US7135062B2Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording imageDAINICHISEIKA COLOR CHEM·Filed 2004·Granted Nov 14, 2006·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →