Inventor
ECHIGO MASATOSHI
JP63 patents
⚠️ This page may combine multiple inventors who share the name “ECHIGO MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
38 patentsUS10303055B2May 28, 2019
Resist composition and method for forming resist pattern
MITSUBISHI GAS CHEMICAL CO8 citations84
US7871751B2Jan 18, 2011
Resist composition
MITSUBISHI GAS CHEMICAL CO15 citations84
US10377734B2Aug 13, 2019
Resist composition, method for forming resist pattern, polyphenol derivative for use in the composition
MITSUBISHI GAS CHEMICAL CO7 citations83
US9908831B2Mar 6, 2018
Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom
MITSUBISHI GAS CHEMICAL CO11 citations83
US9540339B2Jan 10, 2017
Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom
MITSUBISHI GAS CHEMICAL CO10 citations83
US7414097B2Aug 19, 2008
Curing epoxy resin with aliphatic diamine-styrene product and carboxyl- and hydroxyl-containing accelerator
MITSUBISHI GAS CHEMICAL CO5 citations74
US11137686B2Oct 5, 2021
Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, and resist pattern forming method
MITSUBISHI GAS CHEMICAL CO2 citations72
US10747112B2Aug 18, 2020
Compound, resin, and purification method thereof, material for forming underlayer film for lithography, composition for forming underlayer film, and underlayer film, as well as resist pattern forming method and circuit pattern forming method
MITSUBISHI GAS CHEMICAL CO2 citations72
US6908982B2Jun 21, 2005
Amino composition and process for producing the same
MITSUBISHI GAS CHEMICAL CO8 citations72
US11256170B2Feb 22, 2022
Compound, resist composition, and method for forming resist pattern using it
MITSUBISHI GAS CHEMICAL CO2 citations71
US11243467B2Feb 8, 2022
Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method
MITSUBISHI GAS CHEMICAL CO2 citations71
US10642156B2May 5, 2020
Resist base material, resist composition and method for forming resist pattern
MITSUBISHI GAS CHEMICAL CO2 citations71
US10364314B2Jul 30, 2019
Compound, resin, material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography, resist pattern forming method, circuit pattern forming method, and purification method
MITSUBISHI GAS CHEMICAL CO2 citations70
US7473806B2Jan 6, 2009
Modified chain aliphatic polyamine
MITSUBISHI GAS CHEMICAL CO2 citations63
US7396902B2Jul 8, 2008
Epoxy resin curing agent of aliphatic diamine/styrene addition product
MITSUBISHI GAS CHEMICAL CO2 citations63
US7157606B2Jan 2, 2007
Process for producing an amino composition
MITSUBISHI GAS CHEMICAL CO3 citations63
US7109289B2Sep 19, 2006
Modified polyoxyalkylene polyamine
MITSUBISHI GAS CHEMICAL CO3 citations63
US11143962B2Oct 12, 2021
Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method
MITSUBISHI GAS CHEMICAL CO1 citations62
US11130724B2Sep 28, 2021
Compound, resin, composition, resist pattern formation method, and circuit pattern formation method
MITSUBISHI GAS CHEMICAL CO1 citations62
US10723690B2Jul 28, 2020
(Meth)acryloyl compound and method for producing same
MITSUBISHI GAS CHEMICAL CO1 citations62
US10550068B2Feb 4, 2020
Compound and method for producing same
MITSUBISHI GAS CHEMICAL CO1 citations62
US10437148B2Oct 8, 2019
Resist material, resist composition and method for forming resist pattern
MITSUBISHI GAS CHEMICAL CO1 citations62
US10294183B2May 21, 2019
Compound, resin, material for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and method for purifying the compound or resin
MITSUBISHI GAS CHEMICAL CO1 citations62
US8350096B2Jan 8, 2013
Compound for resist and radiation-sensitive composition
MITSUBISHI GAS CHEMICAL CO1 citations62
US7919223B2Apr 5, 2011
Compound for resist and radiation-sensitive composition
MITSUBISHI GAS CHEMICAL CO3 citations62
US7301053B2Nov 27, 2007
Modified cyclic aliphatic polyamine
MITSUBISHI GAS CHEMICAL CO2 citations62
US11572430B2Feb 7, 2023
Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method
MITSUBISHI GAS CHEMICAL CO1 citations61
US11480877B2Oct 25, 2022
Resist composition, method for forming resist pattern, and polyphenol compound used therein
MITSUBISHI GAS CHEMICAL CO1 citations61
US9182666B2Nov 10, 2015
Cyclic compound, method for producing the same, radiation-sensitive composition, and resist pattern formation method
MITSUBISHI GAS CHEMICAL CO3 citations61
US11747728B2Sep 5, 2023
Compound, resin, composition, resist pattern formation method, circuit pattern formation method and method for purifying resin
MITSUBISHI GAS CHEMICAL CO0 citations60
US7364668B2Apr 29, 2008
Process for producing an amino composition
MITSUBISHI GAS CHEMICAL CO3 citations60
US10577323B2Mar 3, 2020
Compound, resin, material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and method for purifying compound or resin
MITSUBISHI GAS CHEMICAL CO1 citations59
US11067889B2Jul 20, 2021
Compound, composition, and method for producing same, underlayer film forming material for lithography, composition for underlayer film formation for lithography, and purification method
MITSUBISHI GAS CHEMICAL CO0 citations52
US9897913B2Feb 20, 2018
Radiation-sensitive composition
MITSUBISHI GAS CHEMICAL CO0 citations52
US9464068B2Oct 11, 2016
Allyl compound and method for producing the same
MITSUBISHI GAS CHEMICAL CO0 citations52
US10310377B2Jun 4, 2019
Material for forming film for lithography, composition for forming film for lithography, film for lithography, pattern forming method and purification method
MITSUBISHI GAS CHEMICAL CO0 citations51
US9920024B2Mar 20, 2018
Method for purifying compound or resin
MITSUBISHI GAS CHEMICAL CO1 citations51
US9809601B2Nov 7, 2017
Compound, material for forming underlayer film for lithography, underlayer film for lithography and pattern forming method
MITSUBISHI GAS CHEMICAL CO1 citations51
ECHIGO MASATOSHI
7 patentsUS8883937B2Nov 11, 2014
Cyclic compound, manufacturing method therefor, radiation-sensitive composition, and method for forming a resist pattern
ECHIGO MASATOSHI8 citations84
US8110334B2Feb 7, 2012
Radiation-sensitive composition
ECHIGO MASATOSHI13 citations83
US9316913B2Apr 19, 2016
Underlayer film-forming material for lithography, underlayer film for lithography, and pattern formation method
ECHIGO MASATOSHI15 citations82
US9122153B2Sep 1, 2015
Cyclic compound, method for producing same, composition, and method for forming resist pattern
ECHIGO MASATOSHI18 citations82
US8889919B2Nov 18, 2014
Cyclic compound, process for production of the cyclic compound, radiation-sensitive composition, and method for formation of resist pattern
ECHIGO MASATOSHI4 citations73
US8846292B2Sep 30, 2014
Radiation-sensitive composition
ECHIGO MASATOSHI2 citations62
US9598392B2Mar 21, 2017
Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom
ECHIGO MASATOSHI0 citations51
HAYASHI HIROMI
2 patentsUS8748078B2Jun 10, 2014
Cyclic compound, process for preparation thereof, radiation-sensitive composition, and method for formation of resist pattern
HAYASHI HIROMI6 citations70
US8829247B2Sep 9, 2014
Cyclic compound, method of producing the same, radiation sensitive composition, and method of forming resist pattern
HAYASHI HIROMI3 citations60
MITSUBISHI GASCHEMICAL COMPANY
1 patentTAKASUKA MASAAKI
1 patentHIGASHIHARA GO
1 patentShowing the top 50 of 63 patents by PatentIndex Score.