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Inventor

Yasunari Maekawa

Inventor
Takasaki, JP

Overview

16→
Patents
1999–2017
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C08JWorking-up15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08LCompositions of macromolecular compounds4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
H01BCables4%
PatentTitleYear
9,708,453'Method for producing porous polymer film and porous polymer film'20179,382,367'Polymer electrolyte membrane composed of aromatic polymer membrane base and method for producing the same'20169,379,402'Anion conducting electrolyte membrane and manufacturing method thereof'20169,379,405'Polymer electrolyte membrane having alkylether graft chain'20169,108,169'Desalination treatment membrane'20158,470,895'Polymer electrolyte membrane comprising alkylether graft chain and method of producing the same'20138,372,558'Highly proton-conductive polymer electrolyte membranes that excel in mechanical strength and a process for producing the same'20138,283,088'Silane crosslinked structure-introduced fuel-cell polymer electrolyte membrane and fuel-cell electrode assembly having the same'20128,263,287'Polymer electrolyte membranes comprising alkyl graft chains and a process for producing the same'20127,993,793'Process for producing polymer electrolyte membranes for fuel cells, polymer electrolyte membranes for fuel cells produced by the process, and fuel cell membrane-electrode assemblies using the membranes'20117,714,027'Crosslinked aromatic polymer electrolyte membrane and method for producing same'20106,836,305'Reflection-type, liquid crystal display device and process for producing the same'20046,757,044'Liquid crystal display device with spacers controlling thickness of liquid crystal layer'20046,441,880'Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized light'20026,291,619'Photosensitive resin composition, method for forming pattern therefrom, electronic devices produced by using the same, and method for production thereof'20015,858,584'Positive photosensitive resin composition and electronic apparatus using the same'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2004Patents assigned to HITACHI LTD (4)· patent assignee history
1999–2001Based in Hitachi, JP· patent location history
2002–2016Based in Takasaki, JP· patent location history
2010–2016Patents assigned to JAPAN ATOMIC ENERGY AGENCY (8)· patent assignee history
2011–2017Patents assigned to NITTO DENKO CORP (3)· patent assignee history
2012–2016Patents assigned to MAEKAWA YASUNARI (5)· patent assignee history
2012–2013Patents assigned to ASANO MASAHARU (2)· patent assignee history
2016Based in Ibaraki, JP· patent location history
2016Based in Yokohama, JP· patent location history
2017Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN ATOMIC ENERGY AGENCY82010–2016
MAEKAWA YASUNARIself52012–2016
HITACHI LTD41999–2004
NITTO DENKO CORP32011–2017
ASANO MASAHARU22012–2013
Locations
LocationPatentsSpan
Takasaki, JP102002–2016
Hitachi, JP21999–2001
Gunma, JP12017
Ibaraki, JP12016
Yokohama, JP12016