Inventor · disambiguated record
Kazuhiko Sakamoto
Also filed as: SAKAMOTO KAZUHIKO
74 granted patents·3 pending applications·1,236 citations·filing 1974–2023
99Inventor score
Files withNIPPON CATALYTIC CHEM IND39SAKAMOTO KAZUHIKO9EBARA RES CO LTD8HITACHI LTD7NITTO KASEI CO LTD3
Top patents by PatentIndex Score
77 records- 0196US5322960AMethod for inhibiting polymerization of (meth) acrylic acid and esters thereofNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jun 21, 1994·89 cites·7 claims
- 0295US6414183B1Method for handling waste oilNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Jul 2, 2002·45 cites·18 claims
- 0391US5504243AMethod for inhibiting polymerization of (meth) acrylic acid and esters thereofNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Apr 2, 1996·47 cites·2 claims
- 0491US5315037AProcess for purification of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 1993·Granted May 24, 1994·38 cites·24 claims
- 0590US6382313B2Heat exchanger for easily polymerizing substance-containing gas provided with gas distributing plateNIPPON CATALYTIC CHEM IND·Filed 2001·Granted May 7, 2002·49 cites·5 claims
- 0688US6831195B2Method for production of organic acidNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Dec 14, 2004·21 cites·9 claims
- 0788US5815711AApparatus and method for program generationHITACHI LTD·Filed 1995·Granted Sep 29, 1998·117 cites·20 claims
- 0886US7049366B2Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2002·Granted May 23, 2006·24 cites·47 claims
- 0986US6996803B2Program generation methodHITACHI LTD·Filed 2001·Granted Feb 7, 2006·33 cites·13 claims
- 1086US6667419B1Method for absorption of acrylic compound and apparatus thereforNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Dec 23, 2003·18 cites·11 claims
- 1185US6966973B2Apparatus and process for producing (meth)acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 22, 2005·12 cites·17 claims
- 1285US5154733APhotoelectron emitting member and method of electrically charging fine particles with photoelectronsEBARA RES CO LTD·Filed 1991·Granted Oct 13, 1992·48 cites·15 claims
- 1384US7235158B2Perforated tray column without downcomerNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jun 26, 2007·35 cites·7 claims
- 1484US6300513B2Method of stabilizing N-oxyl compounds in vinyl compoundsNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Oct 9, 2001·13 cites·12 claims
- 1584US5785821AProcess for the production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Jul 28, 1998·30 cites·5 claims
- 1684US3945972ACurable epoxy resin composition comprising an epoxy resin and a reactive diluentNITTO KASEI CO LTD·Filed 1974·Granted Mar 23, 1976·26 cites·5 claims
- 1782US5371280APolymerization inhibitor and inhibiting method for vinyl compoundNIPPON CATALYTIC CHEM IND·Filed 1991·Granted Dec 6, 1994·21 cites·17 claims
- 1881US7319167B2Method for distilling (meth)acrylic acid and/or the ester thereofNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jan 15, 2008·10 cites·14 claims
- 1981US6454541B1Method for transferring easily-polymerizable substanceNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Sep 24, 2002·30 cites·14 claims
- 2081US6441228B2Apparatus and process for producing (meth)acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Aug 27, 2002·18 cites·2 claims
- 2180US6649028B2Column treating process and apparatus thereofNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 18, 2003·12 cites·2 claims
- 2280US6599397B2Method for preventing polymerization of (meth)acrylic acid and esters thereof and method for the production thereofNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jul 29, 2003·12 cites·4 claims
- 2378US6407287B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jun 18, 2002·9 cites·9 claims
- 2477US8278481B2Method for producing (meth)acrylic acidSAKAMOTO KAZUHIKO·Filed 2008·Granted Oct 2, 2012·3 cites·18 claims
- 2577US7198766B1Method for production of acrylic acid and apparatus for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Apr 3, 2007·7 cites·2 claims
- 2676US6848501B2Method for preventing plate type heat exchanger from blockageNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Feb 1, 2005·16 cites·19 claims
- 2776US5922105AMethod and apparatus for the preparation of clean gasesEBARA RES CO LTD·Filed 1998·Granted Jul 13, 1999·46 cites·24 claims
- 2875US6787001B2Method for distilling (meth) acrylic acid solutionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Sep 7, 2004·20 cites·18 claims
- 2975US4654368ATri-organotin silatrane derivatives and pesticidal compositions, fungicides or antifouling agents comprising said compounds as active ingredientsNITTO KASEI CO LTD·Filed 1985·Granted Mar 31, 1987·20 cites·7 claims
- 3075US4526932AAntifouling agentNITTO KASEI CO LTD·Filed 1983·Granted Jul 2, 1985·12 cites·10 claims
- 3174US7399928B2Flexible flat cable and method of manufacturing the samePIONEER CORP·Filed 2005·Granted Jul 15, 2008·5 cites·6 claims
- 3274US6946573B2Method for starting up reactor and reactor systemNIPPON SHOKAUBAI CO LTD·Filed 2001·Granted Sep 20, 2005·7 cites·9 claims
- 3374US5225000AMethod for cleaning closed spaces with ultraviolet raysEBARA RES CO LTD·Filed 1991·Granted Jul 6, 1993·33 cites·1 claims
- 3473US8625099B2Particle concentration measuring deviceSAKAMOTO KAZUHIKO·Filed 2011·Granted Jan 7, 2014·4 cites·5 claims
- 3571US8680330B2Process for producing (meth) acrylic acidSAKAMOTO KAZUHIKO·Filed 2010·Granted Mar 25, 2014·1 cites·19 claims
- 3671US7541490B2Method for production of acrylic acid and apparatus for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Jun 2, 2009·1 cites·7 claims
- 3770US4565031ARail arrangement for flush sliding door panelsSUGATSUNE KOGYO·Filed 1984·Granted Jan 21, 1986·28 cites·4 claims
- 3869US7377307B1Vertical heat exchangerNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 27, 2008·16 cites·4 claims
- 3969US7327827B2X-ray high voltage deviceHITACHI MEDICAL CORP·Filed 2004·Granted Feb 5, 2008·12 cites·18 claims
- 4069US6084127AMethod for recovering acrylic acidNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Jul 4, 2000·11 cites·11 claims
- 4169US5845119ASoftware development tool for combining software components/modulesHITACHI LTD·Filed 1996·Granted Dec 1, 1998·65 cites·6 claims
- 4268US6581637B2Tank and a method for storing an easily polymerizable compoundNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jun 24, 2003·14 cites·20 claims
- 4368US4921359ASlide rail assemblySUGATSUNE KOGYO·Filed 1989·Granted May 1, 1990·23 cites·5 claims
- 4467US6899452B2Apparatus and method for preparation and supply of polymerization inhibitorNIPPON SHOKUBAI CO INC·Filed 2002·Granted May 31, 2005·9 cites·20 claims
- 4566US8680331B2Process for production of (meth)acrylic acidSAKAMOTO KAZUHIKO·Filed 2010·Granted Mar 25, 2014·1 cites·4 claims
- 4666US8426640B2Method for producing acrylic acid, and method for producing hydrophilic resin and method for producing water-absorbing resin using production method thereofSAKAMOTO KAZUHIKO·Filed 2009·Granted Apr 23, 2013·1 cites·4 claims
- 4766US6870066B2Method for decomposition of Michael type adductNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Mar 22, 2005·4 cites·4 claims
- 4865US6340381B1Method and apparatus for the preparation of clean gasesEBARA RES CO LTD·Filed 2000·Granted Jan 22, 2002·11 cites·29 claims
- 4964US8859809B2Device and process for crystallizing (meth)acrylic acidSAKAMOTO KAZUHIKO·Filed 2010·Granted Oct 14, 2014·1 cites·4 claims
- 5063US9187579B2Particle-shaped water absorbing agent and method for producing the sameIKEUCHI HIROYUKI·Filed 2008·Granted Nov 17, 2015·1 cites·9 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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