Inventor

Tatsuyuki Yamamoto

Inventor

Mito, JP

Overview

1998–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 39 as inventor

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

Y02Tprimary

Y02TClimate change mitigation technologies related to transportation21%

B60LPropulsion of electrically-propelled vehicles18%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles15%

B60WConjoint control of vehicle sub-units of different type or different function14%

G03GElectrography9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

H02KDynamo-electric machines3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

H04NPictorial communication, e.g. television3%

B60TVehicle brake control systems or parts thereof2%

PatentTitleYear

10,761,447Photosensitive unit2020 10,486,547Device and method for controlling electric vehicle with torque command and vibration suppression control2019 10,144,293Driving force control device and driving force control method2018 9,931,962Control device for electric vehicle and control method for electric vehicle2018 9,927,740'Image forming apparatus'2018 9,885,977'Image forming apparatus'2018 9,827,873Electric vehicle control system2017 9,500,987'Image forming apparatus'2016 9,244,382'Image forming apparatus'2016 9,229,422'Developer supplying apparatus'2016 8,611,788'Image forming apparatus'2013 8,478,164'Developing device'2013 8,428,491'Image forming apparatus'2013 8,174,221'Motor control apparatus and control apparatus for hybrid electric vehicles'2012 8,073,600'Controller of field winding type synchronous motor, electric drive system, electric four wheel driving vehicle, and hybrid automobile'2011 8,056,660'Vehicle, generator control apparatus in vehicle, and vehicle drive unit'2011 7,853,166'Image forming apparatus with operation disabling feature'2010 7,693,444'Image reading and recording apparatus having a cartridge dismounting space between a fixing unit and an exposing unit'2010 7,651,426'Differential torque generator'2010 7,528,999'Image forming apparatus'2009 7,495,411'Controller for an electric four-wheel-drive vehicle'2009 7,455,143'Vehicle drive unit'2008 7,455,133'Electric four-wheel drive vehicle and control unit for same'2008 7,427,849'Controller for an electric vehicle and driving apparatus for the electric vehicle'2008 7,410,161'Sheet feeding apparatus, and image forming apparatus and image reading apparatus respectively equipped with sheet feeding apparatus'2008 7,383,902'Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus therefor'2008 7,374,000'Electric generating system for automobiles and its control method'2008 7,317,295'Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle'2008 7,308,960'Vehicle drive train unit and vehicle drive train system'2007 7,241,985'Sheet conveying apparatus having supported openably upstream and downstream portions, image reading apparatus and image reading and forming apparatus'2007 7,237,639'Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle'2007 7,219,497'Hybrid car and control method of the same'2007 7,151,355'Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle'2006 7,114,589'Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle'2006 7,054,726'Control apparatus for vehicle-use electric power generator'2006 7,044,255'Electric generating system for automobiles and its control method'2006 6,965,173'Electric generating system for automobiles and its control method'2005 6,661,109'Electric generating system for automobiles and its control method'2003 5,808,387'Electric motor for an electric vehicle'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2009Patents assigned to NISSAN MOTOR (3)· patent assignee history

1998–2019Based in Isehara, JP· patent location history

2003–2012Patents assigned to HITACHI LTD (20)· patent assignee history

2003–2011Based in Hitachinaka, JP· patent location history

2006–2011Based in Mito, JP· patent location history

2007–2020Patents assigned to CANON KK (13)· patent assignee history

2007–2020Based in Tokyo, JP· patent location history

2007–2010Based in Toride, JP· patent location history

2011–2013Patents assigned to YAMAMOTO TATSUYUKI (6)· patent assignee history

2017–2019Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	20	2003–2012
CANON KK	13	2007–2020
YAMAMOTO TATSUYUKIself	6	2011–2013
HITACHI AUTOMOTIVE SYSTEMS LTD	4	2017–2019
NISSAN MOTOR	3	1998–2009

Locations

Location	Patents	Span
Mito, JP	13	2006–2011
Tokyo, JP	10	2007–2020
Isehara, JP	7	1998–2019
Hitachinaka, JP	4	2003–2011
Toride, JP	4	2007–2010