Inventor · disambiguated record
Etsuo Hasegawa
Also filed as: HASEGAWA ETSUO
71 granted patents·7 pending applications·1,538 citations·filing 1989–2018
99Inventor score
Top patents by PatentIndex Score
78 records- 0198US7432035B2(Meth)acrylate derivative, polymer and photoresist composition having lactone structure, and method for forming pattern by using itNEC CORP·Filed 2007·Granted Oct 7, 2008·54 cites·11 claims
- 0297US5738975APhotosensitive resin and method for patterning by use of the sameNEC CORP·Filed 1994·Granted Apr 14, 1998·149 cites·21 claims
- 0396US7186495B2(Meth) acrylate derivative, polymer and photoresist composition having lactone structure, and method for forming pattern by using itNEC CORP·Filed 2000·Granted Mar 6, 2007·46 cites·26 claims
- 0493US6827139B2Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereofDENSO CORP·Filed 2003·Granted Dec 7, 2004·63 cites·20 claims
- 0591US5994025APhotoresist, compounds for composing the photoresist, and method of forming pattern by using the photoresistNEC CORP·Filed 1996·Granted Nov 30, 1999·93 cites·6 claims
- 0690US5585507AAlkylsulfonium salts and photoresist compositions containing the sameNEC CORP·Filed 1995·Granted Dec 17, 1996·35 cites·9 claims
- 0789US7642011B2Secondary battery with a radical compound active materialNEC CORP·Filed 2005·Granted Jan 5, 2010·8 cites·6 claims
- 0889US7571761B2Heat exchangerDENSO CORP·Filed 2005·Granted Aug 11, 2009·16 cites·21 claims
- 0989US7367203B2Refrigerant evaporatorDENSO CORP·Filed 2005·Granted May 6, 2008·16 cites·21 claims
- 1088US7604044B2Heat exchangerDENSO CORP·Filed 2006·Granted Oct 20, 2009·11 cites·13 claims
- 1188US5635332AAlkylsulfonium salts and photoresist compositions containing the sameNEC CORP·Filed 1994·Granted Jun 3, 1997·63 cites·4 claims
- 1287US6528232B1Sulfonium salt compound, photoresist composition and method for patterning by employing sameNEC CORP·Filed 2000·Granted Mar 4, 2003·28 cites·7 claims
- 1386US8978411B2Cold-storage heat exchangerYAMADA ATSUSHI·Filed 2010·Granted Mar 17, 2015·4 cites·22 claims
- 1486US5866304APhotosensitive resin and method for patterning by use of the sameNEC CORP·Filed 1997·Granted Feb 2, 1999·61 cites·4 claims
- 1584US8969483B2(Meth)acrylate derivative, polymer and photoresist composition having lactone structure, and method for forming pattern by using itNEC CORP·Filed 2012·Granted Mar 3, 2015·2 cites·2 claims
- 1684US5691111APhotosensitive resin composition useful as resist for deep UV lithography containing sulfonium saltsNEC CORP·Filed 1995·Granted Nov 25, 1997·47 cites·22 claims
- 1783US6866964B2Secondary batteryNEC CORP·Filed 2001·Granted Mar 15, 2005·19 cites·33 claims
- 1882US7044208B2Heat exchangerDENSO CORP·Filed 2003·Granted May 16, 2006·20 cites·18 claims
- 1982US6602647B2Sulfonium salt compound and resist composition and pattern forming method using the sameNEC CORP·Filed 2000·Granted Aug 5, 2003·11 cites·14 claims
- 2082US6503656B1Method for production of batteryNEC CORP·Filed 2000·Granted Jan 7, 2003·22 cites·27 claims
- 2182US6074801ANegative type photoresist composition used for light beam with short wavelength and method of forming pattern using the sameNEC CORP·Filed 1998·Granted Jun 13, 2000·41 cites·28 claims
- 2281US10337808B2CondenserDENSO CORP·Filed 2015·Granted Jul 2, 2019·3 cites·16 claims
- 2381US6106998ANegative resist materials, pattern formation method making use thereof, and method of manufacturing semiconductor devicesNEC CORP·Filed 1998·Granted Aug 22, 2000·44 cites·6 claims
- 2480US6146806ANegative photoresist composition using polymer having 1,2-diol structure and process for forming pattern using the sameNEC CORP·Filed 1999·Granted Nov 14, 2000·36 cites·10 claims
- 2579US8973395B2Cold-storage heat exchangerDENSO CORP·Filed 2013·Granted Mar 10, 2015·1 cites·13 claims
- 2679US5481886ACooling unit and drain case for air conditionersNIPPON DENSO CO·Filed 1994·Granted Jan 9, 1996·53 cites·13 claims
- 2778US6391529B2(Meth)acrylate, polymer photoresist composition, and pattern forming process making use of the compositionNEC CORP·Filed 2001·Granted May 21, 2002·12 cites·4 claims
- 2878US5665518APhotoresist and monomer and polymer for composing the photoresistNEC CORP·Filed 1996·Granted Sep 9, 1997·36 cites·3 claims
- 2977US7448436B2Heat exchangerDENSO CORP·Filed 2004·Granted Nov 11, 2008·22 cites·24 claims
- 3077US7347064B2EvaporatorDENSO CORP·Filed 2005·Granted Mar 25, 2008·5 cites·41 claims
- 3176US7378683B2Transistor using organic material having a bridged cyclic hydrocarbon lactone structure and process for producing the sameNEC CORP·Filed 2005·Granted May 27, 2008·4 cites·11 claims
- 3275US7231966B2Evaporator for refrigerating cycleDENSO CORP·Filed 2005·Granted Jun 19, 2007·4 cites·19 claims
- 3375US6437052B1Monomer having diol structure, polymer thereof, and negative photoresist composition and pattern forming method using the sameNEC CORP·Filed 1999·Granted Aug 20, 2002·29 cites·32 claims
- 3475US5621019AMonomer having vinyl group, polymer thereof and photosensitive resin including thoseNEC CORP·Filed 1995·Granted Apr 15, 1997·37 cites·11 claims
- 3574US9032757B2Cold-storage heat exchangerDENSO CORP·Filed 2013·Granted May 19, 2015·1 cites·9 claims
- 3674US5586001ASolid electrolyte capacitor using polyaniline doped with disulfonic acidNEC CORP·Filed 1995·Granted Dec 17, 1996·47 cites·16 claims
- 3773US7621320B2Internal heat exchangerDENSO CORP·Filed 2007·Granted Nov 24, 2009·3 cites·7 claims
- 3872US5674576ALiquid crystalline optical device operable at a low drive voltageNEC CORP·Filed 1995·Granted Oct 7, 1997·45 cites·17 claims
- 3971US11029073B2Cold-storage heat exchangerDENSO CORP·Filed 2018·Granted Jun 8, 2021·0 cites·11 claims
- 4070US6469197B1Negative photoresist composition using polymer having 1,2-diol structure and process for forming pattern using the sameNEC CORP·Filed 2000·Granted Oct 22, 2002·8 cites·1 claims
- 4169US8973396B2Cold-storage heat exchangerDENSO CORP·Filed 2013·Granted Mar 10, 2015·0 cites·13 claims
- 4269US6907922B2Heat exchangerDENSO CORP·Filed 2004·Granted Jun 21, 2005·11 cites·11 claims
- 4369US6235433B1High molecular gel electrolyte and secondary battery using the sameNEC CORP·Filed 1998·Granted May 22, 2001·41 cites·23 claims
- 4469US6140010ANegative type photoresist composition used for light beam with short wavelength and method of forming pattern using the sameNEC CORP·Filed 1998·Granted Oct 31, 2000·27 cites·12 claims
- 4568US6923019B2Heat exchangerDENSO CORP·Filed 2003·Granted Aug 2, 2005·10 cites·12 claims
- 4668US6638685B2Photoacid generator containing two kinds of sulfonium salt compound, chemically amplified resist containing the same and pattern transfer methodNEC CORP·Filed 2001·Granted Oct 28, 2003·9 cites·18 claims
- 4767US5770346APhotoresist and compounds for composing the photoresistNEC CORP·Filed 1996·Granted Jun 23, 1998·18 cites·11 claims
- 4866US9372034B2Cool-storage type heat exchangerYOKOYAMA NAOKI·Filed 2009·Granted Jun 21, 2016·1 cites·29 claims
- 4965US6030747AChemically amplified resist large in transparency and sensitivity to exposure light less than 248 nanometer wavelength and process of forming maskNEC CORP·Filed 1998·Granted Feb 29, 2000·29 cites·4 claims
- 5065US2015183912A1(meth)acrylate derivative, polymer and photoresist composition having lactone structure, and method for forming pattern by using itNEC CORP·Filed 2014·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →