Inventor

Hiroyuki Maehara

Inventor
Fuchu, JP

Overview

30→
Patents
1988–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 30 as inventor

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

H01Hprimary
H01HElectric switches15%
H02HEmergency protective circuit arrangements12%
C08LCompositions of macromolecular compounds8%
B29CShaping or joining of plastics6%
C08JWorking-up6%
G05BControl or regulating systems in general6%
Y10TTechnical subjects covered by former us classification6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
10,174,446Polyolefin-based antistatic fiber, being a single component or a conjugate type fiber, and nonwoven fabric including the same20199,704,664'Magnetizing inrush current suppression device'20179,515,479'Inrush current suppression apparatus'20169,490,627'Magnetizing inrush current suppressing device'20169,425,615'Inrush current suppression apparatus'20169,385,525'Magnetizing inrush current suppression device'20169,291,686'Method of estimating the residual magnetic flux of transformer and residual magnetic flux estimation device'20169,275,793'Current input converter'20169,202,647'Switching controller and switching control system for circuit breaker'20159,013,852'Breaker-phase-control switching system and circuit-breaker control unit'20158,861,163'Protection relay'20148,749,100'Overvoltage suppressing device'20148,680,713'Over-voltage suppression apparatus'20148,682,603'Substation instrument control system'20148,385,038'Circuit breaker switching control system'20138,342,117'Coating apparatus'20138,018,097'Switching control system of circuit breaker'20117,016,043'Quality evaluation method and apparatus for non-bran rice'20066,822,547'Current transformer'20046,710,130'Propylene polymer composition and its foam moldings'20046,699,421'Method for forming foamed polypropylene resin sheet and foamed formed article'20046,670,027'Uniaxially oriented polypropylene-based film'20036,515,037'Polypropylene base resin composition for foam-molding, foamed article using the same composition, production process for the same foamed article and foam-molded product using the foamed-article'20036,498,963'Numerical control unit'20026,437,048'Molded resin articles'20026,235,845'Olefin (co)polymer composition'20015,773,066'Method and apparatus for carrying out pre-treatment of wheat grains for flour milling'19984,820,464'Method for controlling injection molding machine'19894,780,256'Methods for controlling injection molding machines'19884,735,564'Injection molding machine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Based in Numazu, JP· patent location history
2001–2004Patents assigned to CHISSO CORP (6)· patent assignee history
2001–2004Based in Chiba, JP· patent location history
2004–2017Patents assigned to TOSHIBA KK (15)· patent assignee history
2006–2016Based in Tokyo, JP· patent location history
2013–2019Patents assigned to MAEHARA HIROYUKI (11)· patent assignee history
2013–2015Patents assigned to SAITO MINORU (5)· patent assignee history
2014–2016Patents assigned to SATO YOSHIMASA (5)· patent assignee history
2014–2017Based in Fuchu, JP· patent location history
2019Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK152004–2017
MAEHARA HIROYUKIself112013–2019
CHISSO CORP62001–2004
SAITO MINORU52013–2015
SATO YOSHIMASA52014–2016
Locations
LocationPatentsSpan
Fuchu, JP92014–2017
Tokyo, JP72006–2016
Chiba, JP52001–2004
Numazu, JP31988–1989
Shiga, JP12019