Inventor · disambiguated record
Hirokazu Kitayama
Also filed as: KITAYAMA HIROKAZU
9 granted patents·6 pending applications·183 citations·filing 1993–2013
89Inventor score
Top patents by PatentIndex Score
15 records- 0190US7387668B2Azo compound, aqueous dye solutions containing the same, inks and use thereofNIPPON KAYAKU KK·Filed 2004·Granted Jun 17, 2008·24 cites·16 claims
- 0289US7419537B2Phthalocyanine colorant and use thereof for ink-jet printingNIPPON KAYAKU KK·Filed 2004·Granted Sep 2, 2008·35 cites·23 claims
- 0386US7056374B2Aqueous ink composition, water-soluble dye composition and ink-jet recording methodNIPPON KAYAKU KK·Filed 2002·Granted Jun 6, 2006·21 cites·12 claims
- 0486US6814776B2Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder and permanent magnet using the sameNEOMAX CO LTD·Filed 2002·Granted Nov 9, 2004·37 cites·26 claims
- 0575US6645283B1Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printingNIPPON KAYAKU KK·Filed 1999·Granted Nov 11, 2003·18 cites·20 claims
- 0673US5575830AFabrication methods and equipment for granulated powdersSUMITOMO SPEC METALS·Filed 1994·Granted Nov 19, 1996·32 cites·18 claims
- 0762US6589325B1Phthalocyanine compounds, water-base ink compositions and colored productsNIPPON KAYAKU KK·Filed 2000·Granted Jul 8, 2003·5 cites·16 claims
- 0851US2010126377A1Porphyrazine coloring matter and ink containing the sameNIPPON KAYAKU KK·Filed 2008·Application pending·0 cites
- 0943US5662943AFabrication methods and equipment for granulated powdersSUMITOMO SPEC METALS·Filed 1996·Granted Sep 2, 1997·10 cites·5 claims
- 1042US2015286169A1Sublimation Transfer Dyeing Method And Method For Suppressing Non-Image Area StainingNIPPON KAYAKU KK·Filed 2013·Application pending·0 cites
- 1142US2015275425A1Sublimation Transfer Dyeing Method And DeveloperNIPPON KAYAKU KK·Filed 2013·Application pending·0 cites
- 1241US2015056543A1Sublimation Transfer Dyeing Method And Dyed Product TherebyNIPPON KAYAKU KK·Filed 2013·Application pending·0 cites
- 1340US2006005744A1Dye composition, ink composition, and method of ink-jet recordingKITAYAMA HIROKAZU·Filed 2002·Application pending·0 cites
- 1436US2007006772A1Cyan dye for ink-jetFUJII TAKAFUMI·Filed 2004·Application pending·0 cites
- 1523US5529603AAlloy powders for bond magnet and bond magnetSUMITOMO SPEC METALS·Filed 1993·Granted Jun 25, 1996·1 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →