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Inventor

Hiroyuki Kagawa

Inventor
Hitachi, JP

Overview

18→
Patents
1995–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 18 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08LCompositions of macromolecular compounds5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
H01BCables3%
H05KPrinted circuits3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
10,677,660Temperature traceable indicator and method for manufacturing same202010,335,780Method for regenerating denitrification catalyst20199,771,436'Method for forming polymer using boron compound, polymerization initiator and the polymer'20179,249,293'Composite particle, method for producing the same, and resin composition'20169,090,796'Organic-inorganic composite materials containing triazine rings and electrical devices using the same'20158,536,611'Organic light-emitting element, method for manufacturing the organic light-emitting element, apparatus for manufacturing the organic light-emitting element, and organic light-emitting device using the organic light-emitting element'20138,420,766'Biomass-derived epoxy resin composition'20138,339,556'Electro-optical device and display device with interdigital electrode portions on at least first and second substrates which are non-overlapping in a direction normal to the substrates'20128,232,365'Biomass-derived epoxy compound and manufacturing method thereof'20127,898,638'Liquid-crystal display device'20117,297,377'Liquid crystal display devices'20076,836,305'Reflection-type, liquid crystal display device and process for producing the same'20046,667,077'Liquid crystal display device'20036,423,385'Liquid crystal display devices'20026,265,034'Liquid crystal display device'20016,236,441'Liquid crystal display apparatus and a method for manufacturing the same'20016,222,602'Liquid crystal display apparatus and a method for manufacturing the same'20015,467,421'Nonlinear optical material and devices utilizing said material'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2016Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history
1995–2016Based in Hitachi, JP· patent location history
2001–2017Patents assigned to HITACHI LTD (12)· patent assignee history
2011–2012Patents assigned to HITACHI DISPLAYS LTD (2)· patent assignee history
2011–2013Based in Hitachinaka, JP· patent location history
2012–2017Patents assigned to KAGAWA HIROYUKI (6)· patent assignee history
2012–2013Patents assigned to OKABE YOSHIAKI (2)· patent assignee history
2015Based in Hitachiaka, JP· patent location history
2017–2020Based in Tokyo, JP· patent location history
2019Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD122001–2017
KAGAWA HIROYUKIself62012–2017
HITACHI CHEMICAL CO LTD21995–2016
HITACHI DISPLAYS LTD22011–2012
OKABE YOSHIAKI22012–2013
Locations
LocationPatentsSpan
Hitachi, JP91995–2016
Hitachinaka, JP52011–2013
Tokyo, JP22017–2020
Osaka, JP12019
Hitachiaka, JP12015