P

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 patents
US10303055B2May 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 patents

HAYASHI HIROMI

2 patents

MITSUBISHI GASCHEMICAL COMPANY

1 patent

TAKASUKA MASAAKI

1 patent

HIGASHIHARA GO

1 patent

Showing the top 50 of 63 patents by PatentIndex Score.