Inventor · disambiguated record
Koichi Hirai
Also filed as: HIRAI KOICHI
27 granted patents·1 pending application·328 citations·filing 1977–2015
96Inventor score
Top patents by PatentIndex Score
28 records- 0193US5455372AMethod of producing a glycolic acid esterUBE INDUSTRIES·Filed 1994·Granted Oct 3, 1995·54 cites·20 claims
- 0291US5028610AN-benzhydryl-substituted heterocyclic derivatives, their preparation and their useSANKYO CO·Filed 1988·Granted Jul 2, 1991·40 cites·23 claims
- 0390US4409395AProcess for the production of glycollic acid estersUBE INDUSTRIES·Filed 1982·Granted Oct 11, 1983·28 cites·10 claims
- 0481US8074222B2Job management device, cluster system, and computer-readable medium storing job management programHIRAI KOICHI·Filed 2008·Granted Dec 6, 2011·13 cites·9 claims
- 0578US6232683B1Alternator with cooling air guide formed by bearing housing having guiding portionMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 15, 2001·23 cites·6 claims
- 0678US4440873AProcess for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for production thereofUBE INDUSTRIES·Filed 1982·Granted Apr 3, 1984·25 cites·8 claims
- 0771US4585890AProcess for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for production thereofUBE INDUSTRIES·Filed 1984·Granted Apr 29, 1986·18 cites·7 claims
- 0871US4545942AAmino-acid derivatives, their preparation and their use as pharmaceuticalsSANKYO CO·Filed 1984·Granted Oct 8, 1985·15 cites·16 claims
- 0970US4551565AProcess for the production of ethylene glycol and/or glycollic acid esters, and catalyst thereforUBE INDUSTRIES·Filed 1983·Granted Nov 5, 1985·17 cites·11 claims
- 1067US5523459APreparation of α-keto acid esterUBE INDUSTRIES·Filed 1995·Granted Jun 4, 1996·11 cites·11 claims
- 1167US4619685AProcess for controlling the growth of suckers on a tobacco plantNISSAN CHEMICAL IND LTD·Filed 1984·Granted Oct 28, 1986·6 cites·13 claims
- 1267US4511744AProcess for producing lower alkylene glycol, catalyst composition used therefor and process for production thereofUBE INDUSTRIES·Filed 1983·Granted Apr 16, 1985·18 cites·14 claims
- 1366US5541317AAzetidinone compounds useful in the preparation of carbapenem antibiotics and process for preparing carbapenem and penem compoundsSANKYO CO·Filed 1994·Granted Jul 30, 1996·8 cites·31 claims
- 1463US4614728ACatalyst composition for producing ethylene glycol and process for producing the catalyst compositionUBE INDUSTRIES·Filed 1985·Granted Sep 30, 1986·17 cites·16 claims
- 1558US5399711AThiomarinol compoundsSANKYO CO·Filed 1993·Granted Mar 21, 1995·6 cites·8 claims
- 1658US4957537AMethod for regulating plant growthFUJISAWA PHARMACEUTICAL CO·Filed 1988·Granted Sep 18, 1990·7 cites·12 claims
- 1750US8180842B2Communication device management programHIRAI KOICHI·Filed 2004·Granted May 15, 2012·2 cites·10 claims
- 1848US8499080B2Cluster control apparatus, control system, control method, and control programHIRAI KOICHI·Filed 2009·Granted Jul 30, 2013·0 cites·12 claims
- 1948US4617367AMethyl methacrylate syrup compositionMITSUI TOATSU CHEMICALS·Filed 1984·Granted Oct 14, 1986·8 cites·6 claims
- 2046US6484249B2Apparatus and method for transferring data between address spaces with different segment lengthsFUJITSU LTD·Filed 2000·Granted Nov 19, 2002·2 cites·5 claims
- 2145US4064137APenicillin and cephalosporin derivatives and process for preparing the sameSANKYO CO·Filed 1977·Granted Dec 20, 1977·4 cites·6 claims
- 2242US7768905B2Program and method for controlling communicationFUJITSU LTD·Filed 2005·Granted Aug 3, 2010·0 cites·7 claims
- 2341US4647551AFor producing ethylene glycol and/or a glycolic acid ester, catalyst composition and process for producing the catalyst compositionUBE INDUSTRIES·Filed 1983·Granted Mar 3, 1987·5 cites·5 claims
- 2441US2002077266A1Portable stain removal productFiled 2001·Application pending·0 cites
- 2538US5681951AMetal catalyzed displacement processSANKYO CO·Filed 1995·Granted Oct 28, 1997·1 cites·22 claims
- 2637US10021269B2Image correction device, image correction system, image correction methodMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jul 10, 2018·0 cites·20 claims
- 2733US5614624ACarbapenemSANKYO CO·Filed 1995·Granted Mar 25, 1997·0 cites·13 claims
- 2832US5719275ASilyl enol ether alkylation processSANKYO CO·Filed 1995·Granted Feb 17, 1998·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →