Inventor

Hiroyuki Maeda

Inventor

Yokohama, JP

Overview

1987–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 123 as inventor

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

B41Jprimary

B41JTypewriters17%

G03GElectrography11%

A61NElectrotherapy3%

F16DCouplings for transmitting rotation3%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

B60TVehicle brake control systems or parts thereof2%

H04NPictorial communication, e.g. television2%

H10BElectronic memory devices2%

PatentTitleYear

10,703,593Sheet housing device and image forming device including same2020 10,678,179Image forming apparatus2020 10,585,386Image forming apparatus capable of restricting opening of cover2020 10,526,153Printing apparatus2020 10,474,076Fixing device and image forming apparatus2019 10,452,018Paper dust collecting member and image forming apparatus therewith2019 10,336,564Medium transporting apparatus and recording apparatus2019 10,308,050Printing apparatus2019 10,054,886Fixing device and image forming apparatus that prevent local unevenness of a pressure force2018 10,040,658Printing apparatus2018 10,031,453Fixing apparatus and image forming apparatus including a covering unit with a movable unit for effective heating2018 10,012,946Image forming apparatus, lock device, lock unit2018 10,012,948Image forming apparatus, lock device, lock unit2018 9,987,857Printing device, and printing method2018 9,952,549Fixing apparatus and image forming apparatus2018 9,847,301Semiconductor device2017 9,768,189'Semiconductor memory device'2017 9,753,427'Opening/closing detection mechanism and image forming apparatus'2017 9,696,683'Electronic device and image forming apparatus'2017 9,691,784'Semiconductor memory device'2017 9,422,981'Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method'2016 9,342,024'Image forming apparatus'2016 9,337,145'Semiconductor memory device'2016 9,213,288'Operation panel support mechanism and image forming apparatus having the same'2015 9,199,487'Continuous paper conveyance device, and printer'2015 9,126,426'Transfer control method of continuous paper and printer'2015 9,122,217'Image forming apparatus and image noise prediction method'2015 9,038,603'Fastening structure of fuel delivery pipe and cylinder head of internal combustion engine'2015 8,851,663'Tractor unit and printer'2014 8,740,352'Inkjet printing apparatus'2014 8,693,930'Image formation device and image correction method'2014 8,616,403'Fuel filler port device of fuel tank for straddled vehicle'2013 8,562,106'Inkjet print head and inkjet print apparatus'2013 8,338,956'Semiconductor device and method for manufacturing same'2012 8,246,144'Inkjet printing apparatus'2012 8,152,164'Image forming apparatus'2012 8,078,563'Method for locating road shapes using erroneous map data'2011 8,049,769'Thermal print head and thermal printer provided with wireless communication function using such thermal print head'2011 8,006,251'Operation consistency maintenance method, system and program'2011 7,994,999'Microstrip antenna'2011 7,806,216'Vehicular number plate'2010 7,802,555'Intake control device for an engine'2010 7,726,775'Liquid ejection recording head and liquid ejection recording apparatus'2010 7,664,420'Image forming apparatus having monochrome and color print modes and a plurality of system speeds'2010 7,651,473'Extracorporeal blood circulating apparatus, closed-type venous reservoir and extracorporeal blood circulating method'2010 7,634,452'Method for locating road shapes using erroneous map data'2009 7,603,188'Servo motor control system'2009 7,588,459'Connecting device having a locking mechanism'2009 7,502,654'Electrode device having recessed part'2009 7,486,912'Image forming apparatus with an exterior cover operable to actuate a releasing mechanism and to serve as a handle'2009 7,370,995'Console and light assembly'2008 7,215,291'Antenna device'2007 7,168,324'Vibration information transmission apparatus and vibration monitoring/analyzing system'2007 7,088,297'Vehicle roof antenna attachment'2006 7,044,588'Ink jet head storing structure and liquid filling method'2006 7,037,144'Connection terminal unit for antenna and manufacturing method of connection terminal unit for antenna'2006 6,968,825'Control device for spark-ignition engine'2005 6,945,643'Ink jet head storing structure and liquid filling method'2005 6,915,159'Electrode structure for iontophoresis device and method of producing the same'2005 6,855,011'Connection terminal unit for antenna and manufacturing method of connection terminal unit for antenna'2005 6,851,795'Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for same'2005 6,824,358'Turbo blood pump'2004 6,805,437'Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method'2004 6,799,841'Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording head'2004 6,790,875'Photocurable aqueous resin composition, ink, recording unit, ink cartridge, ink-jet recording apparatus and photopolymerization initiator'2004 6,791,501'Vehicle roof mount antenna'2004 6,733,117'Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same'2004 6,722,863'Turbo blood pump'2004 6,694,226'System for detecting inclination angle of vehicle body'2004 6,665,087'Output apparatus and output method'2003 6,654,635'Iontophoresis device'2003 6,631,982'Liquid ejecting apparatus'2003 6,618,655'Process for determining lateral overturning of vehicle and occupant protecting system in vehicle'2003 6,611,784'Process for determining lateral overturning of vehicle'2003 6,597,947'Iontophoresis device'2003 6,589,031'Turbo blood pump'2003 6,587,717'Iontophoresis device and method of assembling the same'2003 6,546,282'Device for Iontophoresis'2003 6,511,147'Ink-jet printer having heating control for print medium'2003 6,510,341'Iontophoresis device and drug unit'2003 6,457,741'Seat mounted side air bag'2002 6,454,172'IC card having a display for displaying a response state'2002 6,438,463'Process for determining lateral overturning of vehicle, and system for detecting inclination angle of vehicle body'2002 6,431,529'Diaphragm for air spring'2002 6,402,310'Ink jet cartridge, ink jet apparatus, and manufacture method of ink jet cartridge'2002 6,382,759'Ink jet recording method and recording apparatus using same'2002 6,372,818'Water-based ink for ink-jet, and ink-jet recording method and instruments using the same'2002 6,322,183'Recording apparatus operated in split driving mode and method of driving recording apparatus'2001 6,279,439'Method for manufacturing a one-way clutch cage'2001 6,278,527'Output apparatus and output method'2001 D0442082'Ink cartridge package for printer'2001 D0440598'End piece for ink cartridge for ink jet printer'2001 6,186,612'Ink jet recording method and recording apparatus using same'2001 D0436988'Side panel for ink cartridge for ink jet printer'2001 D0435443'Ink cartridge package for printer'2000 D0430603'Ink cartridge for ink jet printer'2000 6,074,034'Liquid jet recording head including a temperature sensor'2000 6,070,039'Method and apparatus for removing developer from a developer carrier'2000 6,053,599'Liquid jet printing head and printing apparatus having the liquid jet printing head'2000 6,041,898'Method of and device for cooling brake fluid'2000 5,995,464'Transporting device for moving a reproducing head of an information recorded disk reproducing apparatus'1999 5,988,798'Fluid ejection head with multi-dimensional fluid path'1999 5,969,740'Ink-jet recording process, and ink-jet recording apparatus'1999 5,954,166'Device for cooling brake fluid'1999 5,955,515'Water-based ink for ink-jet, and ink-jet recording method and instruments using the ink'1999 5,943,080'Ink-jet recording method'1999 5,934,416'Floating caliper-disc type brake'1999 5,918,950'Hydraulic anti-skid braking system for a vehicle'1999 5,901,126'Disk reproducing apparatus having a disk diameter determining function'1999 5,866,638'Ink for two-part liquid system recording, and ink set, ink container, recording unit, recording process and recording apparatus using the same'1999 5,854,307'Ink, and ink-jet recording method and instrument using the same'1998 5,832,336'Image forming apparatus'1998 5,698,971'Device for detecting the end of battery life, power supply circuit having the device, and a portable machine having the power supply circuit'1997 5,696,744'Disk reproducing apparatus having a disk diameter determining function'1997 5,686,925'System for obtaining a velocity of a moving object from a speed sensor with an improved adjustment of a speed conversion coefficient'1997 5,644,082'Vehicle rotational-angle calculating apparatus'1997 5,641,042'Anomalous braking element temperature-rise detector assembly'1997 5,447,562'Ink, ink-jet recording method making use of the ink, instrument provided with the ink and production method of the ink'1995 5,337,367'Recording device and video device using the same'1994 5,216,445'Ink jet recording method using plural dots to form each recording unit'1993 4,944,031'Operational condition setting device for an office machine'1990 4,854,555'Diaphragm type air springs'1989 4,653,533'Variable orifice device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2014Based in Yokohama, JP· patent location history

1993–2014Patents assigned to CANON KK (35)· patent assignee history

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

2001–2020Based in Osaka, JP· patent location history

2002–2013Patents assigned to HONDA MOTOR CO LTD (8)· patent assignee history

2003–2012Based in Kanagawa, JP· patent location history

2003–2009Based in Tsukuba, JP· patent location history

2011–2015Patents assigned to MAEDA HIROYUKI (10)· patent assignee history

2014–2020Patents assigned to SEIKO EPSON CORP (8)· patent assignee history

2015–2020Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	35	1993–2014
MAEDA HIROYUKIself	10	2011–2015
KYOCERA DOCUMENT SOLUTIONS INC	9	2015–2020
HONDA MOTOR CO LTD	8	2002–2013
SEIKO EPSON CORP	8	2014–2020

Locations

Location	Patents	Span
Yokohama, JP	33	1989–2014
Osaka, JP	12	2001–2020
Toyokawa, JP	11	1998–2019
Kanagawa, JP	11	2003–2012
Tsukuba, JP	7	2003–2009