Inventor

Hiroshi Takao

Inventor

Kamakura, JP

Overview

40→

Patents

1976–2020

Patent span

Physics

Primary field (CPC G)

Patents· 40 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties21%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Y02TClimate change mitigation technologies related to transportation7%

B60LPropulsion of electrically-propelled vehicles5%

B01DSeparation3%

B60YIndexing scheme relating to aspects cross-cutting vehicle technology3%

H02JElectric power networks3%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%

PatentTitleYear

10,576,827Battery management device and power supply system2020 9,979,210Equalizing apparatus2018 9,876,459Motor driving circuit, motor device, and electric vehicle2018 9,673,746'Motor driving circuit, motor device, and electric vehicle'2017 9,509,156'Power supply apparatus'2016 9,411,266'Developer storage container'2016 9,312,797'Motor driving circuit, motor device, and electric vehicle'2016 9,236,827'Motor drive circuit, motor device, and moving vehicle'2016 8,707,102'Method and program for verifying operation of processor'2014 8,468,327'Processor test apparatus, processor test method, and processor test program'2013 8,198,846'Motor control device'2012 8,029,267'Ejector apparatus'2011 7,515,398'Gas-insulated switchgear assembly'2009 7,443,130'Motor driving control device'2008 7,245,104'Position-sensorless motor control device'2007 7,153,126'Ejector apparatus'2006 5,620,071'Electrically controlled force transmitting method and electrically controlled force transmitting apparatus'1997 5,453,246'Dispensing apparatus'1995 4,833,114'Process for preparing palladium catalyst for purifying waste gas'1989 4,439,911'Method of making an oxygen sensor'1984 4,421,787'Process for forming a thin dense sintered layer'1983 4,407,057'Method of producing a flat thin film type oxygen sensor'1983 4,347,114'Flat thin film type oxygen sensor'1982 4,345,985'Method of producing solid electrolyte oxygen-sensing element of laminated structure'1982 4,338,356'Method of producing flat solid electrolyte layer of flat film type oxygen sensor'1982 4,306,957'Device for producing control signal for feedback control of air/fuel ratio'1981 4,302,312'Device for producing control signal for feedback control of air/fuel mixing ratio'1981 4,264,425'Device for detection of air/fuel ratio from oxygen partial pressure in exhaust gas'1981 4,224,113'Method of detecting air/fuel ratio in combustor by detecting oxygen in combustion gas'1980 4,207,159'Apparatus for measurement of oxygen concentration'1980 4,155,828'Oxygen sensor with a sintered reference source of oxygen'1979 4,126,532'Oxygen sensor'1978 4,107,019'Solid electrolyte thin film oxygen sensor having thin film heater'1978 4,107,392'High temperature abrasion-resistant material and method of producing same'1978 4,097,353'Article and method of forming porous coating on electrode layer of concentration cell type oxygen sensor'1978 4,049,524'Oxygen sensor with noncatalytic electrode'1977 3,982,981'Unitary honeycomb structure and method of making it'1976 3,968,153'Extraction of acrylic acid and/or methacrylic acid with a solvent mixture of methylethylketone and xylene or ethylbenzene'1976 3,941,673'Oxygen sensor devoid of catalytic oxidation activity'1976 3,935,089'Oxygen sensor coated with catalytic material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to NISSAN MOTOR (21)· patent assignee history

1976–1997Based in Kamakura, JP· patent location history

1995–2016Based in Tokyo, JP· patent location history

2007–2016Patents assigned to SANYO ELECTRIC CO (4)· patent assignee history

2007–2012Based in Hirakata, JP· patent location history

2012–2016Patents assigned to TAKAO HIROSHI (5)· patent assignee history

2013–2014Patents assigned to FUJITSU LTD (2)· patent assignee history

2013–2014Based in Kawasaki, JP· patent location history

2016–2020Patents assigned to PANASONIC IP MAN CO LTD (7)· patent assignee history

2016–2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN MOTOR	21	1976–1997
PANASONIC IP MAN CO LTD	7	2016–2020
TAKAO HIROSHIself	5	2012–2016
SANYO ELECTRIC CO	4	2007–2016
FUJITSU LTD	2	2013–2014

Locations

Location	Patents	Span
Kamakura, JP	20	1976–1997
Osaka, JP	7	2016–2020
Hirakata, JP	3	2007–2012
Tokyo, JP	2	1995–2016
Kawasaki, JP	2	2013–2014