Inventor · disambiguated record
Masahiko Matsukawa
Also filed as: MATSUKAWA MASAHIKO
23 granted patents·9 pending applications·232 citations·filing 1994–2017
95Inventor score
Files withNIPPON PAINT CO LTD14CHEMETALL GMBH2INBE TOSHIO2NIPPON PAINT SURF CHEMICALS CO LTD2TOYO SEIKAN KAISHA LTD2
Top patents by PatentIndex Score
32 records- 0188US7510612B2Chemical conversion coating agent and surface-treated metalNIPPON PAINT CO LTD·Filed 2003·Granted Mar 31, 2009·34 cites·12 claims
- 0283US5736349AMagnetic particle and immunoassay using the sameNIPPON PAINT CO LTD·Filed 1995·Granted Apr 7, 1998·69 cites·15 claims
- 0381US7749319B2Composition for surface conditioning and a method for surface conditioningCHEMETALL GMBH·Filed 2006·Granted Jul 6, 2010·5 cites·15 claims
- 0478US6528468B2Pickling agent for the chemical conversion coating of heat exchanger, method of pickling heat exchangerNIPPON PAINT CO LTD·Filed 2000·Granted Mar 4, 2003·11 cites·11 claims
- 0575US7250193B2Pretreatment method for coatingNIPPON PAINT CO LTD·Filed 2003·Granted Jul 31, 2007·14 cites·8 claims
- 0675US5478872AHydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating filmNIPPON PAINT CO LTD·Filed 1994·Granted Dec 26, 1995·26 cites·9 claims
- 0774US8119239B2Surface-conditioning composition comprising metal phosphate particles, metal alkoxide and stabilizer, and method of production thereofINBE TOSHIO·Filed 2006·Granted Feb 21, 2012·2 cites·17 claims
- 0874US7909944B2Surface conditioning composition and surface conditioning methodCHEMETALL GMBH·Filed 2007·Granted Mar 22, 2011·2 cites·8 claims
- 0974US7722710B2Surface-conditioning composition, method for production thereof, and surface conditioning methodINBE TOSHIO·Filed 2006·Granted May 25, 2010·2 cites·6 claims
- 1072US6554916B2Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophilicNIPPON PAINT CO LTD·Filed 2001·Granted Apr 29, 2003·12 cites·36 claims
- 1164US2008286470A1Chemical conversion coating agent and surface-treated metalNIPPON PAINT CO LTD·Filed 2008·Application pending·0 cites
- 1261US5494705AHydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating filmNIPPON PAINT CO LTD·Filed 1995·Granted Feb 27, 1996·18 cites·11 claims
- 1358US10309028B2Method for producing surface-treated steel sheet, surface-treated steel sheet, and organic resin coated metal containerTOYO KOHAN CO LTD·Filed 2014·Granted Jun 4, 2019·0 cites·7 claims
- 1454US8075708B2Pretreatment method for coatingMATSUKAWA MASAHIKO·Filed 2003·Granted Dec 13, 2011·4 cites·9 claims
- 1553US5527854AHydrophilic surface-treating aqueous solution and hydrophilic surface-treating method using polyglutamic acidNIPPON PAINT CO LTD·Filed 1994·Granted Jun 18, 1996·12 cites·19 claims
- 1653US2016289843A1Surface-treated steel sheet, organic resin-coated metal container and process for producing surface-treated steel sheetTOYO SEIKAN KAISHA LTD·Filed 2014·Application pending·0 cites
- 1752US10000858B2Bath for surface treatment, method of producing surface-treated steel plate by using the bath for surface treatment, and surface treated steel plate produced by the same methodTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2014·Granted Jun 19, 2018·0 cites·4 claims
- 1852US5962145AAluminum surface treatment agent, treatment method, and treated aluminumNIPPON PAINT CO LTD·Filed 1997·Granted Oct 5, 1999·15 cites·21 claims
- 1951US11149163B2Heat exchanger and method for hydrophilizing heat exchangerNIPPON PAINT SURF CHEMICALS CO LTD·Filed 2017·Granted Oct 19, 2021·0 cites·5 claims
- 2051US2010038250A1Chemical conversion coating agent and surface-treated metalNIPPON PAINT CO LTD·Filed 2009·Application pending·0 cites
- 2150US2006147735A1Chemical conversion treating agent and surface treated metalTOYOTA JIDOSHA KABUHIKIA KAISH·Filed 2005·Application pending·0 cites
- 2249US8815022B2Method for surface treating a heat exchanger, surface treatment agent, and aluminum heat exchangerYOSHIDA TATSUO·Filed 2011·Granted Aug 26, 2014·0 cites·3 claims
- 2349US2004170840A1Chemical conversion coating agent and surface-treated metalNIPPON PAINT CO LTD·Filed 2003·Application pending·0 cites
- 2449US2004187967A1Chemical conversion coating agent and surface-treated metalNIPPON PAINT CO LTD·Filed 2003·Application pending·0 cites
- 2547US8821651B2Method for surface treating a heat exchanger, hydrophilizing treatment agent, and aluminum heat exchangerYOSHIDA TATSUO·Filed 2011·Granted Sep 2, 2014·0 cites·3 claims
- 2647US2019136385A1Chemical conversion bath replenishment methodNIPPON PAINT SURF CHEMICALS CO LTD·Filed 2017·Application pending·0 cites
- 2746US10858751B2Surface-treated steel sheet, process for producing the same and resin-coated surface-treated steel sheetTOYO SEIKAN KAISHA LTD·Filed 2015·Granted Dec 8, 2020·0 cites·5 claims
- 2843US8822037B2Surface-treated steel plateKUROKAWA WATARU·Filed 2011·Granted Sep 2, 2014·0 cites·8 claims
- 2943US2015129453A1Surface treatment agent composition, method for producing surface-treated steel sheet, surface-treated steel-sheet, surface-treated steel sheet with organic coating, can lid, can body, and seamless canUCHIKAWA MIWA·Filed 2012·Application pending·0 cites
- 3042US2014377581A1Surface treatment agent composition for tin-plated steel, and tin-plated steel subjected to surface treatmentUCHIKAWA MIWA·Filed 2012·Application pending·0 cites
- 3139US5614585AHydrophilic surface-treating aqueous solution and hydrophilic surface-treating methodNIPPON PAINT CO LTD·Filed 1996·Granted Mar 25, 1997·6 cites·4 claims
- 3236US6790900B2Treatment agent for hydrophilicity and method for preparing thereofNIPPON PRINT CO LTD·Filed 2001·Granted Sep 14, 2004·0 cites·7 claims
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