Inventor

Hiroyuki Yamashita

Inventor

Wakayama, JP

Overview

1976–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 167 as inventor

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

Y02Tprimary

Y02TClimate change mitigation technologies related to transportation9%

C11DDetergent compositions8%

F02BInternal-combustion piston engines7%

F02DControlling combustion engines6%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

B41MPrinting, duplicating, marking, or copying processes3%

F02FCylinders, pistons or casings, for combustion engines3%

B41JTypewriters2%

C07DHeterocyclic compounds2%

PatentTitleYear

11,089,845Molded surface fastener2021 10,974,511Liquid discharge device, and liquid discharge apparatus and dyeing apparatus including same2021 10,923,487Semiconductor memory device2021 10,910,401Semiconductor device and method of manufacturing the same2021 10,777,573Semiconductor device and method of manufacturing the same2020 10,737,520Thermal transfer sheet2020 10,723,158Liquid discharge apparatus and liquid discharge method2020 10,576,757Dryer, liquid discharge apparatus, drying method, and inkjet recording apparatus2020 10,286,709Thermal transfer sheet, thermal transfer image-receiving sheet, method for forming printed product, and printed product2019 10,245,869Thermal transfer sheet, method for producing thermal transfer sheet, thermal transfer image-receiving sheet, method for producing thermal transfer image-receiving sheet, method for forming printed product, and printed product2019 10,208,712Control system of engine2019 10,132,273Control system of engine2018 10,119,492Fuel injection control device for direct-injection engine2018 10,089,201Storage device, storage system and non-transitory computer-readable storage medium for mirroring of data2018 10,080,556Retractor2018 10,072,226Method for manufacturing dried combustible material and dried combustible material2018 10,039,541Retractor2018 10,024,274Control apparatus of engine2018 9,944,105Image forming method2018 9,915,230'Engine system'2018 9,874,173Control device for direct injection gasoline engine2018 9,863,372'Control apparatus of premixed charge compression ignition engine'2018 9,816,445'Device for controlling direct-injection gasoline engine'2017 9,809,046'Binding device'2017 9,776,451'Binding device'2017 9,658,813'Information processing device, information processing system, information processing method, and storage medium'2017 9,638,146'Gasoline direct-injection engine'2017 9,632,177'Object detecting apparatus'2017 9,624,820'Control device for direct injection gasoline engines'2017 9,599,058'Control device of gasoline direct-injection engine'2017 9,546,617'Gasoline direct-injection engine'2017 9,533,820'Cigarette package and method of producing same'2017 9,496,823'Fault diagnosis system, fault diagnosis device, fault diagnosis method, program, computer-readable medium, and device under test'2016 9,488,066'Turbine vane of steam turbine and steam turbine'2016 9,488,094'Direct injection gasoline engine and method of controlling the direct injection gasoline engine'2016 9,485,812'High frequency heating coil'2016 9,272,601'Vehicle air conditioner case'2016 9,182,359'Apparatus and method for inspecting pattern defect'2015 9,102,138'Image forming apparatus'2015 9,010,915'Aqueous ink composition and image forming apparatus'2015 8,944,556'Image forming apparatus and image forming method'2015 8,870,350'Image forming device, and image forming method'2014 8,851,844'Stationary blade and steam turbine'2014 8,704,378'Semiconductor device'2014 8,611,640'Inspection apparatus and inspection method'2013 8,593,625'Examining apparatus and examining method'2013 8,579,108'Cigarette package'2013 8,546,303'Thermal transfer sheet'2013 8,525,984'Inspection apparatus and inspection method'2013 8,422,009'Foreign matter inspection method and foreign matter inspection apparatus'2013 8,417,437'Control method and system of engine'2013 8,395,766'Foreign matter inspection apparatus'2013 8,351,683'Inspection apparatus and inspection method'2013 8,343,889'Thermal transfer sheet'2013 8,272,723'Ink cartridge and image forming apparatus employing the ink cartridge'2012 8,147,046'Refillable ink cartridge and protection member therefor'2012 7,999,932'Inspection apparatus and inspection method'2011 7,992,538'Method of controlling an internal combustion engine and system including the engine'2011 7,986,405'Foreign matter inspection method and foreign matter inspection apparatus'2011 7,980,615'Axial member with flange, connection member and production methods thereof'2011 7,953,567'Defect inspection apparatus and defect inspection method'2011 7,898,653'Foreign matter inspection apparatus'2011 7,874,758'Binding device'2011 7,837,256'Front body structure for vehicle'2010 7,829,992'Semiconductor device and method for manufacturing semiconductor device'2010 7,820,593'Powdery plant vitalizers'2010 7,733,473'Inspection apparatus and inspection method'2010 7,731,024'Tongue-lid pack for rod-shaped smoking articles and a blank thereof'2010 7,719,671'Foreign matter inspection method and foreign matter inspection apparatus'2010 7,672,799'Defect inspection apparatus and defect inspection method'2010 7,669,578'Method of operating an internal combustion engine'2010 7,658,421'Axial member with flange, connection member and production methods thereof'2010 7,643,728'Magnetic recording/reproduction apparatus'2010 7,562,127'Contents additional service inquiry server for identifying servers providing additional services and distinguishing between servers'2009 7,555,195'Content combination reproducer, content combination reproduction method, program executing the method, and recording medium recording therein the program'2009 7,553,797'Thermal transfer recording material and thermal transfer recording method'2009 7,513,329'Vehicle rear body structure'2009 7,485,615'Process for producing granular anionic surfactant'2009 7,446,085'Process for preparing detergent particles'2008 7,441,335'Methods of electromagnetic forming aluminum alloy wheel for automotive use'2008 7,425,523'Thermal transfer recording material and thermal transfer recording method'2008 7,347,181'Direct injection spark ignition engine'2008 7,323,437'Process for producing a bleaching activator composition'2008 7,155,690'Method for co-verifying hardware and software for a semiconductor device'2006 7,141,265'Oil/fat powder'2006 7,115,548'High-density detergent composition'2006 7,111,466'Microreactor and substance production method therewith'2006 7,098,177'Process for producing detergent particles'2006 7,067,469'Solid-shaped detergent'2006 6,992,055'Process for preparing detergent compositions having high bulk density'2006 6,983,733'Direct-injection spark-ignition engine'2006 6,864,221'Granules for carrying surfactant and method for producing the same'2005 6,849,590'Process for producing granules for supporting surfactant'2005 6,818,605'Granulated detergent composition'2004 6,818,606'Article for use in washing in sheet form'2004 6,734,156'Granules for carrying surfactant and method for producing the same'2004 6,725,649'Control apparatus for a direct-injection, spark-ignition engine'2004 RE038411'Washing method and clothes detergent composition'2004 6,684,848'Direct-injection spark-ignition engine'2004 6,672,277'Direct-injection spark ignition engine'2004 6,645,931'Solid-shaped detergent'2003 6,602,846'Method for producing single nucleus detergent particles'2003 6,544,763'Enzyme particles'2003 6,534,474'Surfactant composition'2003 6,521,585'Method for producing crystalline alkali metal silicate granules and granular high density detergent'2003 6,410,287'Enzyme particles'2002 6,408,591'Door beam of aluminum alloy'2002 6,376,453'Detergent particles'2002 6,354,727'Mixing device'2002 6,345,499'Catalyst light-off method and device for direct injection engine'2002 6,338,817'Aluminum extruded door beam material'2002 6,330,796'Control device for direct injection engine'2001 6,318,074'Control device for direct injection engine'2001 6,311,665'Direct injection engine'2001 6,307,143'Thermoelectric materials and thermoelectric conversion element'2001 6,300,368'Anilide derivatives and antiarrhythmic agents containing the same'2001 6,284,722'High-density granulated detergent composition for clothes'2001 6,258,465'Energy absorbing member'2001 6,240,724'Control device for direct injection engine'2001 6,231,995'Aluminum extruded door beam material'2001 6,214,787'Granular detergent composition for clothing'2001 6,186,427'Mixer'2001 6,152,103'Direct fuel injection ignition engine'2000 6,067,954'Direct fuel injection engine'2000 6,044,642'Direct fuel injection engine'2000 6,043,424'Thermoelectric alloy achieving large figure of merit by reducing oxide and process of manufacturing thereof'2000 6,026,425'Non-uniform system load balance method and apparatus for updating threshold of tasks according to estimated load fluctuation'2000 6,009,849'Direct fuel injection engine'2000 5,981,863'Process of manufacturing thermoelectric refrigerator alloy having large figure of merit'1999 5,980,580'Washing method and detergent compositions'1999 5,961,662'Washing method and clothes detergent composition'1999 5,945,395'Method for producing nonionic detergent granules'1999 5,923,013'Print control system and method for controlling the system in page by page basis'1999 5,923,084'Semiconductor device for heat discharge'1999 5,883,563'Thermo-electric material having mean crystal grain diameter nor greater than 50 microns and mean aspect ratio between 1 and 3 for large figure of merit and thermo-electric element using the same'1999 5,873,344'Direct fuel injection ignition engine'1999 5,870,424'Graphite electrode having joints'1999 5,795,856'Method for producing detergent particles having high bulk density'1998 5,763,293'Process of fabricating a thermoelectric module formed of V-VI group compound semiconductor including the steps of rapid cooling and hot pressing'1998 5,736,501'Method for producing nonionic detergent granules'1998 5,719,145'Amidine derivatives and platelet aggregation inhibitor containing the same'1998 5,715,295'Radio channel selecting method suitable for a mobile station to mobile station direct communication system, and the originating mobile station and destination mobile station used in the system'1998 5,705,473'Nonionic powdery detergent composition containing an aluminosilicate builder and a silicon-containing oil absorbing carrier'1998 5,629,321'Bicyclic compound and platelet aggregation inhibitor containing the same'1997 5,627,193'Quinoline-4-carbonylguanidine derivatives, process for producing the same and pharmaceutical preparations containing the compounds'1997 5,529,715'Nonionic powdery detergent composition and process for producing the same'1996 5,479,433'Direct current arc furnace'1995 5,468,516'Process for producing nonionic detergent granules'1995 5,458,801'Process for producing granular bleach activator composition and granular bleach activator composition'1995 5,396,949'Mesh fin type heat exchanger and method of making the same'1995 5,389,708'Sulfur-containing acid phosphoric ester internal release agent'1995 5,378,295'Golf club head and a method for producing the same'1995 5,374,765'Method for extracting an amino acid ester from a hydrous solution of a mineral acid salt thereof'1994 5,366,655'Stable sodium percarbonate particle and process for preparing same'1994 5,302,749'Stabilizing method of isocyanate compounds and isocyanate compositions stabilized thereby'1994 5,269,266'V-type two cycle supercharged engine'1993 5,211,219'Air conditioner'1993 5,194,559'Optical urethane resins and plastic lenses comprising the same'1993 5,177,040'Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same'1993 5,047,545'2-alkoxycarbonyl-4-(4-pyridyl)cyclohexanones and process for preparing them'1991 4,990,529'Pyrazolone derivatives for treating cerebrovascular diseases'1991 4,895,947'Process for producing 1-acyl-2-pyrazoline derivative'1990 4,839,376'Pyrazoline derivatives for treating cerebrovascular diseases'1989 4,834,462'Cutter for impact-type cutting machine'1989 4,814,458'Process for preparing 4-acetyl isoquinolinone compounds'1989 4,405,177'Apparatus for finishing surfaces'1983 3,958,652'Apparatus movably adhering to a wall and adapted to carry a cleaning apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1998Patents assigned to MITSUI TOATSU CHEMICALS (12)· patent assignee history

1989–2021Based in Kanagawa, JP· patent location history

1993–2019Patents assigned to MAZDA MOTOR (32)· patent assignee history

1993–2018Based in Hiroshima, JP· patent location history

1994–2010Patents assigned to KAO CORP (35)· patent assignee history

1994–2010Based in Wakayama, JP· patent location history

2006–2020Based in Tokyo, JP· patent location history

2010–2015Patents assigned to HITACHI HIGH TECH CORP (14)· patent assignee history

2010–2013Based in Fujioka, JP· patent location history

2012–2021Patents assigned to YAMASHITA HIROYUKI (27)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAO CORP	35	1994–2010
MAZDA MOTOR	32	1993–2019
YAMASHITA HIROYUKIself	27	2012–2021
HITACHI HIGH TECH CORP	14	2010–2015
MITSUI TOATSU CHEMICALS	12	1989–1998

Locations

Location	Patents	Span
Wakayama, JP	34	1994–2010
Hiroshima, JP	24	1993–2018
Kanagawa, JP	14	1989–2021
Tokyo, JP	14	2006–2020
Fujioka, JP	8	2010–2013