Inventor · disambiguated record
Hitoshi Maki
Also filed as: MAKI HITOSHI
12 granted patents·73 citations·filing 1990–2003
89Inventor score
Top patents by PatentIndex Score
12 records- 0165US5817817AProcess for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediateTOYO INK MFG CO·Filed 1997·Granted Oct 6, 1998·8 cites·4 claims
- 0264US6989055B2Monoazo lake pigment composition and gravure ink using the sameTOYO INK MFG CO·Filed 2003·Granted Jan 24, 2006·8 cites·6 claims
- 0363US5472490APigment composition, printing ink and coating compositionTOYO INK MFG CO·Filed 1994·Granted Dec 5, 1995·22 cites·4 claims
- 0461US7001937B2Process for producing colored resin composition and utilization thereofTOYO INK MFG CO·Filed 2002·Granted Feb 21, 2006·4 cites·4 claims
- 0561US5659036AProcess for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediateTOYO INK MFG CO·Filed 1995·Granted Aug 19, 1997·7 cites·5 claims
- 0657US5318626AProcess for converting 2,9-dimethylquinacridone compound into pigmentTOYO INK MFG CO·Filed 1992·Granted Jun 7, 1994·5 cites·10 claims
- 0752US6303762B1Method of producing disazo pigmentTOYO INK MFG CO·Filed 2001·Granted Oct 16, 2001·2 cites·10 claims
- 0852US5136444AFloating type magnetic head having a magnetic gap for recording tracks at the outer periphery of a magnetic diskTDK CORP·Filed 1990·Granted Aug 4, 1992·10 cites·8 claims
- 0949US5610306AProcess for the production of 6,13-dihydroquinacridones and apparatus for use for the productionTOYO INK MFG CO·Filed 1994·Granted Mar 11, 1997·4 cites·9 claims
- 1038US5622555AProcess for the production of dis-azo pigmentTOYO INK MFG CO·Filed 1995·Granted Apr 22, 1997·2 cites·7 claims
- 1130US5808154AProcess for the production of an aromatic hydrazo compoundTOYO INK MFG CO·Filed 1992·Granted Sep 15, 1998·0 cites·7 claims
- 1229US5400199AFloating magnetic head with variable chamfered surfaceTDK CORP·Filed 1993·Granted Mar 21, 1995·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →