Inventor · disambiguated record
Koji Hagiya
Also filed as: HAGIYA KOJI
48 granted patents·25 pending applications·74 citations·filing 1987–2021
97Inventor score
Top patents by PatentIndex Score
73 records- 0187US7939697B2Fluorinating agent and method for producing fluorine-containing compound using the sameSUMITOMO CHEMICAL CO·Filed 2009·Granted May 10, 2011·5 cites·11 claims
- 0284US6916938B2Method for preparing sulfone or sulfoxide compoundSUMITOMO CHEMICAL CO·Filed 2003·Granted Jul 12, 2005·16 cites·10 claims
- 0383US7485757B2Method for Producing 4-(Methylthio) Butane-1,2-DiolSUMITOMO CHEMICAL CO·Filed 2005·Granted Feb 3, 2009·4 cites·2 claims
- 0482US7009079B2Chiral copper complex and production processes thereof and using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Mar 7, 2006·7 cites·9 claims
- 0578US8350091B2Potassium fluoride dispersion and process for producing fluorine-containing organic compound using the sameSUMITOMO CHEMICAL CO·Filed 2011·Granted Jan 8, 2013·1 cites·8 claims
- 0676US8039680B2Process for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcoholSUMITOMO CHEMICAL CO·Filed 2009·Granted Oct 18, 2011·2 cites·17 claims
- 0774US7678947B2Method for producing halogen-substituted benzenedimethanolSUMITOMO CHEMICAL CO·Filed 2005·Granted Mar 16, 2010·2 cites·8 claims
- 0874US6670500B2Chiral copper complex and production processes thereof and using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 30, 2003·6 cites·9 claims
- 0971US8017798B2Method for producing tetrafluoroterephthalic acid difluorideSUMITOMO CHEMICAL CO·Filed 2006·Granted Sep 13, 2011·1 cites·11 claims
- 1070US7459588B2Method for producing unsaturated vicinal diol compoundSUMITOMO CHEMICAL CO·Filed 2005·Granted Dec 2, 2008·2 cites·8 claims
- 1166US7276622B2Method for producing oxygen-containing compoundSUMITOMO CHEMICAL CO·Filed 2004·Granted Oct 2, 2007·3 cites·12 claims
- 1265US7074947B2Process for producing epoxide compoundSUMITOMO CHEMICAL CO·Filed 2003·Granted Jul 11, 2006·7 cites·5 claims
- 1361US8242278B2Process for producing biaryl compoundHAGIYA KOJI·Filed 2009·Granted Aug 14, 2012·0 cites·4 claims
- 1461US6703528B2Process for producing carbonyl or hydroxy compoundSUMITOMO CHEMICAL CO·Filed 2001·Granted Mar 9, 2004·4 cites·16 claims
- 1560US7491845B2Process for producing adipic acidSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 17, 2009·2 cites·4 claims
- 1660US2013060032A1Potassium fluoride dispersion and process for producing fluorine-containing organic compound using the sameHAGIYA KOJI·Filed 2012·Application pending·0 cites
- 1759US2009099387A1Potassium fluoride dispersion solution, and process for production of fluorinated organic compound using the sameSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 1858US7569703B2Fluorinating agent and method for producing fluorine-containing compound using the sameSUMITOMO CHEMICAL CO·Filed 2004·Granted Aug 4, 2009·0 cites·3 claims
- 1958US4788323AMethod for racemization of optically active chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 29, 1988·5 cites·30 claims
- 2057US2012101278A1Process for producing biaryl compoundHAGIYA KOJI·Filed 2011·Application pending·0 cites
- 2156US7132092B2Metallized mesoporous silicate and method of oxidation with the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 7, 2006·1 cites·13 claims
- 2255US7638655B2Method for producting 4-(methylthio)butane-1,2-diolSUMITOMO CHEMICAL CO·Filed 2006·Granted Dec 29, 2009·0 cites·9 claims
- 2354US8350051B2Process for producing alpha-hydroxyketone compoundSUMITOMO CHEMICAL CO·Filed 2009·Granted Jan 8, 2013·0 cites·7 claims
- 2454US7993614B2Method for recovering tungstenSUMITOMO CHEMICAL CO·Filed 2006·Granted Aug 9, 2011·0 cites·7 claims
- 2554US7393971B2Method for producing 3,3-dimethyl-2-(1-propenyl) cyclopropanecarboxylateSUMITOMO CHEMICAL CO·Filed 2004·Granted Jul 1, 2008·1 cites·15 claims
- 2654US2011124923A1Tetrafluorotoluene compound, method for producing same and use thereofSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 2753US10246445B2Method for producing benzoxazole compoundSUMITOMO CHEMICAL CO·Filed 2016·Granted Apr 2, 2019·0 cites·4 claims
- 2853US7554000B2Process for producing biaryl compoundSUMITOMO CHEMICAL CO·Filed 2003·Granted Jun 30, 2009·0 cites·6 claims
- 2953US2012130118A1Methods for producing and using a tetrafluorotoluene compoundHAGIYA KOJI·Filed 2012·Application pending·0 cites
- 3051US10160722B2Method for producing perfluoroalkanesulfonyl phenol compoundsSUMITOMO CHEMICAL CO·Filed 2016·Granted Dec 25, 2018·0 cites·8 claims
- 3151US8299264B2Method for producing oxadiazolinone compound and intermediate thereofHAGIYA KOJI·Filed 2009·Granted Oct 30, 2012·0 cites·9 claims
- 3250US8071805B2Process for producing 2-hydroxy-4-(methlthio)butyrate compounds and intermediates thereofHAGIYA KOJI·Filed 2007·Granted Dec 6, 2011·0 cites·16 claims
- 3350US7632664B2Method for producing 2-hydroxy-4-(methylthio)butyric acidSUMITOMO CHEMICAL CO·Filed 2005·Granted Dec 15, 2009·0 cites·12 claims
- 3449US7973201B2Process for production of halogen-substituted benzenedimethanolSUMITOMO CHEMICAL CO·Filed 2007·Granted Jul 5, 2011·0 cites·13 claims
- 3549US7956223B2Method for producing halogen-substituted benzenedimethanolSUMITOMO CHEMICAL CO·Filed 2007·Granted Jun 7, 2011·0 cites·9 claims
- 3649US2023257408A1Method for producing optically active compoundSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 3747US8399710B2Alkali metal fluoride dispersion and process for producing fluorine-containing organic compound using the sameHAGIYA KOJI·Filed 2008·Granted Mar 19, 2013·0 cites·8 claims
- 3845US8779222B2Method for producing 1,1,3-trichloro-1-propeneSOUDA HIROSHI·Filed 2010·Granted Jul 15, 2014·0 cites·19 claims
- 3945US8178325B2Process for producing sulfur-containing hydroxycarboxylic acidASAKO HIROYUKI·Filed 2007·Granted May 15, 2012·0 cites·8 claims
- 4045US7754454B2Process for producing sulfur-containing hydroxycarboxylic acidSUMITOMO CHEMICAL CO·Filed 2005·Granted Jul 13, 2010·0 cites·2 claims
- 4145US2004152592A1Process for producing carbonyl or hydroxy compoundSUMITOMO CHEMICAL COMPANY LIMT·Filed 2004·Application pending·0 cites
- 4244US2020385361A1Method for producing 2-substituted-3-ethylsulfonylpyridine compound and likeSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 4343US11028056B2Method for producing 3-arylpropionamide compound and 3-arylpropionic acid ester compoundSUMITOMO CHEMICAL CO·Filed 2018·Granted Jun 8, 2021·0 cites·8 claims
- 4442US8604221B2Production method of halogen-substituted phthalideHAGIYA KOJI·Filed 2010·Granted Dec 10, 2013·0 cites·5 claims
- 4542US7880038B2Metal catalyst and its useSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 1, 2011·0 cites·3 claims
- 4642US6852871B2Method for producing optically active salicylaldimine copper complexSUMITOMO CHEMICAL CO·Filed 2003·Granted Feb 8, 2005·0 cites·5 claims
- 4741US7304185B2Process for production of carbonyl compoundsSUMITOMO CHEMICAL CO·Filed 2004·Granted Dec 4, 2007·0 cites·11 claims
- 4841US2008064898A1Method for Producing Oxygen-Containing CompoundHAGIYA KOJI·Filed 2005·Application pending·0 cites
- 4940US4954651AProcess for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid halideSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 4, 1990·1 cites·29 claims
- 5040US2013023696A1Process for producing sulfur-containing amino acidsSUMITOMO CHEMICAL CO·Filed 2011·Application pending·0 cites
Showing the top 50 of 73 patent records by PatentIndex Score.
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