Inventor · disambiguated record
Katsuto Nakatsuka
Also filed as: NAKATSUKA KATSUTO
21 granted patents·2 pending applications·493 citations·filing 1984–2004
96Inventor score
Files withNITTETSU MINING CO LTD17JAPAN METALS & CHEM CO LTD1KATSUTO NAKATSUKA1NAKATSUKA K1NITTETSU MINING CO1
Top patents by PatentIndex Score
23 records- 0191US5985466APowder having multilayered film on its surface and process for preparing the sameNITTETSU MINING CO LTD·Filed 1996·Granted Nov 16, 1999·102 cites·40 claims
- 0286US4679775AVibration damping equipmentYAKUMO KOGYO KK·Filed 1984·Granted Jul 14, 1987·58 cites·17 claims
- 0382US6666991B1Fluorescent or phosphorescent compositionNITTETSU MINING CO LTD·Filed 1999·Granted Dec 23, 2003·42 cites·9 claims
- 0478US6440322B1Magnetic fluid and process for the production thereofNITTETSU MINING CO LTD·Filed 1998·Granted Aug 27, 2002·32 cites·5 claims
- 0577US6280658B1Rheological fluidNITTETSU MINING CO LTD·Filed 1997·Granted Aug 28, 2001·29 cites·12 claims
- 0676US6818297B1White powder and method for production thereofNITTETSU MINING CO LTD·Filed 2000·Granted Nov 16, 2004·19 cites·18 claims
- 0776US6207280B1Multilayer-coated powder and process for producing the sameNITTETSU MINING CO LTD·Filed 1997·Granted Mar 27, 2001·39 cites·6 claims
- 0872US6987868B1Genuine/counterfeit discriminating method, genuine/counterfeit discrimination object, and genuine/counterfeit discriminating deviceNITTETSU MINING CO LTD·Filed 1999·Granted Jan 17, 2006·44 cites·13 claims
- 0968US4937052AUnderground chemical reactorUNIV TOHOKU·Filed 1988·Granted Jun 26, 1990·23 cites·2 claims
- 1067US6261691B1Powder coated with multilayer coatingNITTETSU MINING CO LTD·Filed 1997·Granted Jul 17, 2001·27 cites·14 claims
- 1155US7169443B2Powder coated with titania film and method for production thereofNITTETSU MINING CO LTD·Filed 2002·Granted Jan 30, 2007·3 cites·3 claims
- 1253US6110633AColor magnetic toner and process for producing the sameNITTETSU MINING CO LTD·Filed 1997·Granted Aug 29, 2000·10 cites·5 claims
- 1352US6162469AMedical powderNITTETSU MINING CO LTD·Filed 1997·Granted Dec 19, 2000·13 cites·5 claims
- 1449US8034404B2Method for producing white powder comprising titanium oxide film and metallic silver filmNITTETSU MINING CO LTD·Filed 2003·Granted Oct 11, 2011·2 cites·7 claims
- 1547US2005003192A1Consolidated material of coated powders and process for producing the sameNITTETSU MINING CO LTD·Filed 2004·Application pending·0 cites
- 1646US7566499B2Light interference multi-layered film-coated powder design method, manufacturing method, and light interference multi-layered film-coated powderNITTETSU MINING CO LTD·Filed 2002·Granted Jul 28, 2009·2 cites·8 claims
- 1745US6387532B1Coated powder and process for the preparation thereofNITTETSU MINING CO LTD·Filed 1998·Granted May 14, 2002·9 cites·12 claims
- 1843US6310118B1Coloring material compositionNITTETSU MINING CO·Filed 1997·Granted Oct 30, 2001·13 cites·13 claims
- 1943US2005208303A1Coated powder, coating composition, and coated articleKATSUTO NAKATSUKA·Filed 2004·Application pending·0 cites
- 2037US6517627B1Additive pigment powdersNITTETSU MINING CO LTD·Filed 1997·Granted Feb 11, 2003·8 cites·6 claims
- 2136US6863979B2Consolidated material of coated powders and process for producing sameNITTETSU MINING CO LTD·Filed 1997·Granted Mar 8, 2005·4 cites·2 claims
- 2230US4739830AMethod of collecting geothermal steam using AE/MA measurementJAPAN METALS & CHEM CO LTD·Filed 1986·Granted Apr 26, 1988·6 cites·10 claims
- 2328US4924950AMethod of drilling a well by utilizing AE/MA measurementNAKATSUKA K·Filed 1988·Granted May 15, 1990·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →