Inventor · disambiguated record
Eiji Seki
Also filed as: SEKI EIJI
27 granted patents·13 pending applications·487 citations·filing 1983–2019
95Inventor score
Top patents by PatentIndex Score
40 records- 0198US5679875AMethod for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropaneDAIKIN IND LTD·Filed 1993·Granted Oct 21, 1997·263 cites·20 claims
- 0295US5714655AProcess of manufacturing 1,1,1,3,3-pentafluoropropane, process of manufacturing 2,2,3-trichloro 1,1,1,3,3-pentafluoropropane and process of manufacturing 2,3,3-trichloro-1,1,1-trifluoropropeneDAIKIN IND LTD·Filed 1994·Granted Feb 3, 1998·58 cites·19 claims
- 0387US5629461AMethod of producing 1,1,2,2,3-pentafluoropropaneDAIKIN IND LTD·Filed 1993·Granted May 13, 1997·26 cites·4 claims
- 0483US8353462B2Thermally actuated hot and cold water mixing valve configured to minimize valve huntingTOTO LTD·Filed 2007·Granted Jan 15, 2013·14 cites·4 claims
- 0580US5714654AMethod of Producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropeneDAIKIN IND LTD·Filed 1994·Granted Feb 3, 1998·17 cites·18 claims
- 0677US6019909AFluorinated hydrocarbon compound and process for its preparation, and refrigerator oil and magnetic recording medium lubricantDAIKIN IND LTD·Filed 1991·Granted Feb 1, 2000·16 cites·16 claims
- 0771US11372883B2Apparatus for calculating size of processing unit, method for calculating size of processing unit, and non-transitory computer-readable storage medium for storing programFUJITSU LTD·Filed 2019·Granted Jun 28, 2022·1 cites·12 claims
- 0871US10347908B2Lithium ion secondary battery and manufacturing method of the lithium ion secondary batteryHITACHI LTD·Filed 2015·Granted Jul 9, 2019·1 cites·5 claims
- 0971US4493811APreamplifier for a wide range neutron flux monitoring systemTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Jan 15, 1985·28 cites·4 claims
- 1068US5346645ADesiccant composition and a method of desiccating articlesDAIKIN IND LTD·Filed 1992·Granted Sep 13, 1994·30 cites·7 claims
- 1160US5023327AFluorine-containing glycoside and its useDAIKIN IND LTD·Filed 1989·Granted Jun 11, 1991·9 cites·9 claims
- 1258US8421418B2Charging/discharging control unit for lithium secondary batteryKUMASHIRO YOSHIAKI·Filed 2009·Granted Apr 16, 2013·6 cites·6 claims
- 1356US2015183822A1Angiotensin-converting-enzyme inhibiting dipeptideYAMAKI CO LTD·Filed 2013·Application pending·0 cites
- 1452US5364991APreparation of 1,1,1,4,4,4-hexafluorobutaneDAIKIN IND LTD·Filed 1992·Granted Nov 15, 1994·4 cites·15 claims
- 1549US10929387B2Relational database management method and update reflection apparatusFUJITSU LTD·Filed 2018·Granted Feb 23, 2021·0 cites·12 claims
- 1649US8746582B2Hot and cold water mixing valveTODAKA KENSAKU·Filed 2008·Granted Jun 10, 2014·1 cites·4 claims
- 1748US6136331ACosmetic preparations containing fluorinated oilsDAIKIN IND LTD·Filed 1997·Granted Oct 24, 2000·11 cites·4 claims
- 1848US2007108304A1Hot water supply deviceSEKI EIJI·Filed 2006·Application pending·0 cites
- 1947US9543579B2Lithium ion secondary batteryHITACHI LTD·Filed 2015·Granted Jan 10, 2017·0 cites·13 claims
- 2047US2018323439A1Lithium Ion Secondary Battery and Method for Producing Lithium Ion Secondary BatteryHITACHI LTD·Filed 2016·Application pending·0 cites
- 2146US8870085B2Thermally actuated hot and cold water mixing valve configured to minimize valve huntingTOTO LTD·Filed 2012·Granted Oct 28, 2014·0 cites·1 claims
- 2246US8192871B2Lithium secondary battery and production method of the sameHARUNA HIROSHI·Filed 2009·Granted Jun 5, 2012·0 cites·13 claims
- 2345US10984005B2Database search apparatus and method of searching databasesFUJITSU LTD·Filed 2017·Granted Apr 20, 2021·0 cites·6 claims
- 2445US6380148B2Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodidesDAIKIN IND LTD·Filed 2001·Granted Apr 30, 2002·0 cites·4 claims
- 2545US2020014062A1Battery Cell Sheet, Secondary Battery, Method of Manufacturing Battery Cell Sheet, and Method of Manufacturing Secondary BatteryHITACHI LTD·Filed 2019·Application pending·0 cites
- 2644US8757505B2Mixing faucetNEGISHI ISAO·Filed 2008·Granted Jun 24, 2014·1 cites·14 claims
- 2743US2011059351A1Lithium ion secondary batteryHITACHI LTD·Filed 2010·Application pending·0 cites
- 2843US2018358611A1Secondary cellHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Application pending·0 cites
- 2942US9614221B2Lithium-ion secondary batteryHITACHI LTD·Filed 2015·Granted Apr 4, 2017·0 cites·10 claims
- 3042US2010297501A1Negative electrode for lithium secondary battery, and lithium secondary battery using the sameHITACHI LTD·Filed 2010·Application pending·0 cites
- 3142US2008066807A1Hot water supply deviceSEKI EIJI·Filed 2007·Application pending·0 cites
- 3239US2018358612A1Lithium ion secondary battery and method for manufacturing lithium ion secondary batteryHITACHI LTD·Filed 2016·Application pending·0 cites
- 3338US7832650B2Hot water-water mixing faucetNIPPON THERMOSTAT KK·Filed 2006·Granted Nov 16, 2010·0 cites·2 claims
- 3438US2015280208A1Method and apparatus for manufacturing negative electrode for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, and lithium-ion secondary batteryHITACHI LTD·Filed 2015·Application pending·0 cites
- 3538US2018166738A1Lithium Ion Secondary BatteryHITACHI LTD·Filed 2016·Application pending·0 cites
- 3636US7112571B2Peptide Y-2SENMI EKISU CO LTD·Filed 2002·Granted Sep 26, 2006·0 cites·8 claims
- 3736US2016259703A1Retrieval control method, and retrieval control deviceFUJITSU LTD·Filed 2016·Application pending·0 cites
- 3832US2009159809A1Proportional counter tubeTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3930US6271189B1Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodidesDAIKIN IND LTD·Filed 1998·Granted Aug 7, 2001·0 cites·2 claims
- 4030US5434322AProcess for preparing 1,1-dichloro-2,2,2-trifluoroethaneDAIKIN IND LTD·Filed 1992·Granted Jul 18, 1995·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →