Inventor

Hiroshi Sakamoto

Inventor

Hitachi, JP

Overview

1978–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 231 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification9%

F16HGearing7%

B60WConjoint control of vehicle sub-units of different type or different function7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%

Y02TClimate change mitigation technologies related to transportation4%

E02FDredging3%

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 systems2%

H05BElectric heating2%

PatentTitleYear

11,077,093Combination drug2021 10,794,046Work machine2020 10,777,023Worker management system2020 D0892835Construction machine information display with graphical user interface2020 D0890200Display screen with graphical user interface for a construction machine2020 10,633,825Construction machine2020 10,626,575Control system for construction machine2020 10,604,914Control system for hydraulic construction machine2020 10,570,587Periphery monitoring device of work machine2020 10,533,303Construction machine to adjust operation reaction force of an operating lever2020 10,450,725Construction machine2019 10,450,722Control system for construction machine2019 10,435,870Construction machine2019 D0859448Construction machine display screen with graphical user interface2019 10,403,350Control unit having radio interference avoiding function2019 10,302,131Tapered roller bearing2019 10,301,794Construction machine2019 10,082,603Optical component production method, optical component, and optical panel production method2018 9,995,341Resin cage for tapered roller bearing and tapered roller bearing including the resin cage2018 9,948,319Data compression/decompression system, data compression method and data decompression method, and data compressor and data decompressor2018 9,822,510'Construction machine'2017 9,752,899'Inductive position detection device'2017 9,683,829'Position detection device'2017 9,540,790'Work machine'2017 D0771166'Tapered roller bearing cage'2016 9,487,932'Hybrid construction machine'2016 9,393,966'Vehicle attitude angle calculating device, and lane departure warning system using same'2016 9,340,953'Construction machine'2016 9,187,294'Hybrid construction machine and method for controlling the same'2015 9,186,308'Composition for oral cavity'2015 9,123,110'Vehicle attitude angle calculating device, and lane departure warning system using same'2015 8,924,140'External environment recognition device for vehicle and vehicle system using same'2014 8,810,363'Engine starting/stopping switch device'2014 8,784,580'Copper alloy sheet excellent in strength and formability for electrical and electronic components'2014 8,770,619'Head protecting airbag device'2014 8,734,764'Composition for oral cavity'2014 8,730,575'Wire-grid polarizer and process for producing the same'2014 8,709,317'Mold for nanoimprinting, its production process, and processes for producing molded resin having fine concavo-convex structure on its surface and wire-grid polarizer'2014 8,711,300'Process for producing liquid crystal element, and liquid crystal element'2014 8,705,796'Obstacle detection device'2014 8,677,835'Torque sensor'2014 8,623,161'Process for producing article having fine concavo-convex structure on its surface and process for producing wire-grid polarizer'2014 8,445,057'Conductive material for connecting part and method for manufacturing the conductive material'2013 8,445,058'Process for producing wire-grid polarizer'2013 8,418,359'Method for manufacturing circuit pattern-provided substrate'2013 8,335,645'Map display system, map display, and map display method'2012 8,170,769'Vehicle speed control system'2012 8,135,536'Lead route guidance system, portable route lead guidance device, and program'2012 8,133,428'Photocurable composition, process for producing fine patterned product and optical element'2012 8,120,787'Information terminal device having drawing printing function, drawing printing method, and printed matter'2012 8,090,533'Map display system, method of inputting conditions for searching for POI, method of displaying guidance to POI, and terminal device'2012 8,040,343'Map display device and map display method'2011 8,005,602'Vehicle speed control device, method of determining target speed by using the device, and program executing the method'2011 7,914,720'Electroconductive structure, manufacturing method therefor, and separator for fuel cell'2011 7,871,710'Conductive material for a connecting part'2011 7,840,343'Mobile terminal having map display function, map display system, information distribution server and program'2010 7,837,339'Open vehicle rearview mirror system for switching between normal and blind-spot views'2010 7,831,366'Vehicle speed control system'2010 7,820,303'Conductive material for connecting part and method for manufacturing the conductive material'2010 7,800,359'Relative rotational position detection apparatus'2010 7,778,758'Cruise control system for a vehicle'2010 7,761,229'Unoccupied seat route search system, unoccupied seat route search device, and terminal device'2010 7,735,388'Control system and method for automatic transmission'2010 7,706,934'Portable guide device and portable telephone'2010 7,611,643'Electrically conducting resin composition for fuel cell separator and fuel cell separator'2009 7,591,203'Control apparatus and control method for vehicle'2009 7,423,521'Vehicular visual assistance system'2008 7,354,378'Motor vehicle, control unit, driving force transmission system, and motor vehicle control method'2008 7,331,247'Relative rotational position detection apparatus having magnetic coupling boundary sections that form varying magnetic couplings'2008 7,325,936'Rearview correcting/controlling system for vehicle'2008 7,313,473'Control device and control method for a vehicle'2007 7,306,544'Automatic transmission, control apparatus and control system'2007 7,263,423'Control device and control method for a vehicle'2007 7,226,976'Latent curing agent for epoxy resin, and curable epoxy resin composition'2007 7,222,551'Automatic transmission'2007 7,218,196'Noncontact coupler'2007 7,201,703'Gear type speed change unit control device, control method, and automobile'2007 7,185,722'Power transmission apparatus of motor vehicles'2007 7,150,698'Power transmission apparatus for automobile'2006 7,121,976'System and method for controlling motor vehicle'2006 7,098,877'Driver circuit'2006 7,086,301'Apparatus and method of controlling a vehicle'2006 7,037,237'Car control apparatus and control method'2006 7,037,238'Control device and control method for a vehicle'2006 7,013,746'Control method and control apparatus of automatic transmission'2006 6,996,045'Optical disk controller which sets sampling interval according to rotational speed of optical disk'2006 6,982,689'Light-emitting element drive apparatus'2006 6,969,339'Control equipment for a vehicle and control method thereof'2005 6,965,357'Light-emitting element drive circuit'2005 6,918,854'Method and system for controlling creep in automatic transmission'2005 6,915,567'Method of wiring for motorcycles'2005 6,890,284'Apparatus and method of controlling a vehicle'2005 6,889,570'Gear-type automatic transmission and an automobile using the gear-type automatic transmission'2005 6,892,125'Control device and control method for a vehicle'2005 6,885,310'Phase difference detection device and method for a position detector'2005 6,849,026'Power transmission system of an automobile'2005 6,848,329'Automatic transmission and vehicle'2005 6,823,745'Relative-rotational-position detection apparatus'2004 6,818,702'Thermosetting resin composition and flexible circuit overcoating material comprising the same'2004 6,779,624'Control unit for power steering apparatus and steering-wheel-angle correcting system'2004 6,722,230'Power transmission apparatus of motor vehicles'2004 6,711,964'Control device for automatic transmission and control method therefor'2004 6,715,051'Program modification device'2004 6,707,291'Self-induction-type position detector device for detecting object position'2004 6,705,971'Control apparatus of automatic transmission and method of controlling the same'2004 6,679,133'Gear-type automatic transmission and car using the gear type automatic transmission'2004 6,656,090'Control method and system for vehicle'2003 6,619,152'Automatic transmission control apparatus, method and vehicle using the same'2003 6,612,963'Power transmission system of an automobile'2003 6,612,203'Power transmission system of an automobile'2003 6,603,214'Control equipment for a vehicle and control method thereof'2003 6,581,479'Relative-rotational-position detection apparatus'2003 6,566,862'Self-induction-type position detector device for detecting object position'2003 6,561,052'Automatic transmission'2003 6,560,521'Control device and control method for a vehicle'2003 6,556,117'Multi-channel uniform output type transformer'2003 6,552,666'Phase difference detection device and method for a position detector'2003 6,550,352'Device and method for automatic transmission control'2003 6,536,296'Apparatus and method of controlling a vehicle'2003 6,523,436'Power transmission system of an automobile'2003 6,514,172'Control apparatus of automatic transmission and method of controlling the same'2003 6,512,360'Self-induction-type stroke sensor'2003 6,502,474'Apparatus and method of controlling a vehicle'2003 6,470,867'Multi cylinder internal combustion engine comprising a cylinder head internally defining exhaust passages'2002 6,449,546'Control device and control method for a vehicle'2002 6,344,621'Switch mounting structure'2002 6,341,541'Power transmission system of an automobile'2002 6,324,081'Switching power source apparatus'2001 6,319,013'Wiring structure for motorcycle with busbars'2001 6,258,006'Transmission, vehicle, hybrid vehicle, and control unit therefor'2001 6,244,321'Automatic web material connecting apparatus'2001 6,243,331'Method and apparatus for performing address interpolation on optical disk'2001 6,155,857'Connector and auto-parts having the connector attached thereto'2000 6,147,950'Recording and reproducing apparatus and recording and reproducing method'2000 6,108,216'Non-contact electrical power transmission system'2000 6,040,986'Non-contact power transmitting device having simplified self-oscillation feedback loop which interrupts power transmission when no load is present'2000 6,034,624'Induction-type linear position detector device'2000 6,018,504'Recording device capable of recording broadcast signals at a desired time'2000 5,986,908'Magnetic-coupling multivibrator'1999 5,952,729'Wiring structure in motorcycle'1999 5,903,205'Induction-type rotational position detecting device'1999 5,828,801'Light signal switching device and optical communication system'1998 5,798,630'Switching power circuit to supply electric-vehicle battery charger with high-frequency power'1998 5,794,786'Method and apparatus for sorting solids by airstream'1998 5,794,082'Electronic flash device with slave emission function'1998 5,771,406'Camera with a shift optical system responsive to an external device'1998 5,752,102'Electronic flashing device'1998 5,723,997'Interface circuit of an electronic flash unit'1998 5,724,620'Wireless light-amplifying strobe system and strobe device usable with the system'1998 5,710,509'Phase difference detection device for an inductive position detector'1998 5,666,869'Tip paper cutting apparatus for a filter cigarette manufacturing system'1997 5,642,510'Catalog management system using a catalog pool, pool management table and pool number data table'1997 5,640,622'Electronic flash apparatus of a camera'1997 5,608,476'Flash bracket with grip'1997 5,594,314'Secondary battery discharge adaptor'1997 5,592,257'Electronic flash device with slave emission function'1997 5,592,367'Apparatus for non-contacting feeding of high frequency power'1997 5,585,987'Camera system including electronic flash device with slave emission function'1996 5,583,605'Photoelectric current converting circuit'1996 5,579,068'Electronic flash apparatus of a camera'1996 5,570,148'Flash control apparatus'1996 5,504,554'Automatic light emission control system for electronic flash'1996 5,491,533'Electronic flash control system and method for high-speed flashing'1996 5,488,552'Inverter power supply'1996 5,483,319'Camera capable of photographing with flash'1996 5,439,009'Device for guiding the travel of tobacco rod in a cigarette manufacturing apparatus'1995 5,421,776'Exhaust air hood'1995 5,415,928'Magnetic recording tape'1995 5,408,293'Camera system and photometry circuit in an electronic flash device'1995 5,393,823'Coating resin composition'1995 5,386,265'Display lighting device'1995 5,371,359'Water-proof optical switching device for controlling flash light emission'1994 5,368,043'Measuring system for vital muscle activity'1994 5,357,973'Measuring system for vital muscle activity'1994 5,319,403'Camera capable of providing printing information'1994 5,266,990'Electronic flash device'1993 5,250,970'Electronic flashing apparatus and camera system'1993 5,239,336'Camera and system of camera and electronic flash device'1993 5,233,383'Zooming control device for a camera'1993 5,225,972'Power source'1993 5,218,398'Exposure amount indicator'1993 5,172,031'Hermetically sealed type electronic flash device'1992 5,146,250'External power source for electronic flash'1992 5,111,233'Electronic flashing device'1992 5,099,406'DC-DC converter with surge voltage prevention'1992 5,097,279'Camera capable of trimming photographing'1992 5,075,714'Electronic flash apparatus'1991 5,063,403'Electronic flash apparatus for camera'1991 5,063,488'Switching power source means'1991 5,057,465'Ceramic matrices reinforced with SiC, Si.sub.3 N.sub.4 or SiAlON fibers having a coating of C, B or BN containing SiC or Si.sub.3 N.sub.4'1991 5,055,430'Carbon coated silicon carbide, silicon nitride or sialon fibers in a ceramic matrix'1991 5,027,263'Switching power source means'1991 5,019,770'Switching power source device having energy recovery'1991 5,008,710'Paper feeder of a label printer'1991 4,996,550'Shutter speed control device'1991 4,982,906'Multi-chamber inclined ball mill'1991 4,980,337'Thermosensitive recording material'1990 4,967,688'Powder processing apparatus'1990 4,951,080'Device for controlling the amount of emission of electronic flash apparatus'1990 4,926,302'Switching power source device'1990 4,924,252'Electronic flash device for camera'1990 4,897,460'Curing agent for epoxy resins from a mixture of a substituted urea and a dicarboxylic acid'1990 4,818,791'Resin composition for use in powder paint'1989 4,800,476'PWM inverter with a saturable core'1989 4,798,820'Thermosensitive recording material'1989 4,786,102'Sunroof apparatus of vehicle roof'1988 4,772,954'Copying machine'1988 4,772,994'Power source using high-frequency phase control'1988 4,769,707'TV optical effect generating system'1988 4,755,831'Multi-layer full-color thermosensitive sheet recording method'1988 4,729,972'High toughness ceramics and process for the preparation thereof'1988 4,716,291'Copying machine'1987 4,703,620'Rocket combustion chamber cooling wall of composite cooling type and method of manufacturing the same'1987 4,689,388'One pack type alicyclic epoxy resin compositions'1987 4,679,091'Multiple scanning type television receiver'1987 4,673,984'Multiple scanning type television receiver'1987 4,616,240'Thermosensitive recording sheet'1986 4,612,296'High toughness silicon nitride sintered body and process for producing the same'1986 4,599,630'Two-color thermosensitive recording material'1986 4,584,171'Method of producing rocket combustors'1986 4,508,680'Method of manufacturing a rocket combustion chamber'1985 4,507,669'Thermosensitive recording sheet'1985 4,506,278'Thermosensitive recording material'1985 4,486,763'Thermosensitive recording material'1984 4,467,339'Thermosensitive recording material'1984 4,349,766'Directly heated cathode for electron tube'1982 4,303,526'Hydrocyclone separator'1981 4,251,593'Heat-sensitive recording sheet'1981 4,220,891'Directly heated cathode for electron tube'1980 4,129,801'Cathode for cathode ray tube of directly heating type and process for producing the same cathode'1978 4,114,243'Process for producing cathode for cathode ray tube of directly heating type'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2014Patents assigned to HITACHI LTD (51)· patent assignee history

1978–2020Based in Hitachi, JP· patent location history

1981–1990Patents assigned to RICOH KK (10)· patent assignee history

1987–2017Based in Tokyo, JP· patent location history

1990–1998Patents assigned to NIKON CORP (34)· patent assignee history

1990–2011Based in Kawasaki, JP· patent location history

1993–2015Patents assigned to SAKAMOTO HIROSHI (24)· patent assignee history

1998–2014Based in Kawagoe, JP· patent location history

2016–2020Patents assigned to HITACHI CONSTRUCTION MACH CO (17)· patent assignee history

2019–2020Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	51	1978–2014
NIKON CORP	34	1990–1998
SAKAMOTO HIROSHIself	24	1993–2015
HITACHI CONSTRUCTION MACH CO	17	2016–2020
RICOH KK	10	1981–1990

Locations

Location	Patents	Span
Hitachi, JP	51	1978–2020
Kawasaki, JP	35	1990–2011
Tokyo, JP	30	1987–2017
Kawagoe, JP	14	1998–2014
Tsuchiura, JP	9	2019–2020