LexDanaLexDanabeta
Inventor

Seiji Yamaguchi

Inventor
Tokyo, JP

Overview

146→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 146 as inventor

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

G03Gprimary
G03GElectrography15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
G06FElectric digital data processing4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A47LDomestic washing or cleaning4%
A61BDiagnosis4%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G11CStatic stores3%
H01LSemiconductor devices2%
PatentTitleYear
11,060,770Cooling system202110,976,611Display device202110,566,511Light-emitting device and method of manufacturing the same202010,096,757LED package20189,994,028Ink heating device and inkjet recording device20189,969,173Ink cartridge and inkjet recording apparatus20189,828,538Thermally conductive filler and thermally conductive resin composition containing same20179,783,684'Active energy ray-curable coating varnish, and printed matter using same'20179,701,853'Actinic ray-curable offset ink composition and printed item obtained therewith'20179,696,658'Developer container, developing apparatus, process cartridge, and image forming apparatus'20179,653,661'Light-emitting device, method of manufacturing the same, method of mounting the same and lighting device'20179,574,045'Epoxy resin composition, epoxy resin, and cured product'20179,315,416'Method of manufacturing light-emitting device'20169,034,051'Bone repair material and method for producing the same'20158,860,057'Light emitting device and manufacturing method of the same'20148,826,713'Method and apparatus for manufacturing stator coil for electric rotating machine'20148,481,169'Leather'20138,470,387'Bone repair material and method for producing the same'20138,465,417'Endoscope system'20138,367,437'Method of manufacturing light-emitting device'20138,294,160'Light emitting device including a sealing portion, and method of making the same'20128,178,066'Method for stabilizing calcium phosphates fine particles, method for manufacturing calcium phosphates fine particles by using the method, and use thereof'20128,101,441'Method of manufacturing light-emitting device'20127,999,398'Solid state device'20117,989,236'Method of making phosphor containing glass plate, method of making light emitting device'20117,969,741'Substrate structure'20117,881,623'Image forming apparatus with developer supply control'20117,872,410'Light emitting device and light emitter'20117,825,575'Solid-state element device and light-emitting apparatus using same'20107,822,367'Image forming apparatus, cartridge, storage device and developer supplying method'20107,714,333'Solid-state element and solid-state element device'20107,701,481'Video magnifer with irradiating pointer'20107,665,385'Braking force input system'20107,667,223'Solid-state optical device'20107,634,215'Developing apparatus'20097,603,065'Image forming apparatus, cartridge, storage device and developer supplying method'20097,583,916'Image forming apparatus'20097,534,002'Lighting device'20097,491,981'Light-emitting device and glass seal member therefor'20097,469,947'Instrument panel of motorcycle'20087,470,926'Solid-state optical device'20087,429,750'Solid-state element and solid-state element device'20087,346,547'Method, device, system, and program for transaction of contents through network'20087,346,298'Developing device, process cartridge, and electrophotographic image-forming apparatus'20087,341,364'Tail lamp structure for vehicles'20087,306,640'Vacuum cleaner'20077,280,796'Image forming apparatus'20077,257,353'Developing apparatus'20077,181,147'Image forming apparatus, developing unit and storage medium'20077,174,593'Vacuum cleaner having an ion generator'20077,155,149'Image forming apparatus which detects abnormality condition in feeding of toner'20067,082,279'Toner replenishment device for use in electrophotographic image forming apparatus'20067,072,606'Electrophotographic image forming apparatus equipped with toner conveyance device'20067,062,206'Toner supplying apparatus and image forming apparatus'20067,050,733'Image forming apparatus including two developer carrying members wherein potential differences between the developer carrying members and a common voltage source differ'20067,044,490'Structure of front fork'20067,035,573'Developing apparatus having developer carrying screw with a plurality of inclination angles'20067,010,251'Toner conveyance device and image forming apparatus equipped therewith'20067,006,774'Image forming apparatus, wherein voltages applied to developer regulating members are based on respective voltages applied to developer carrying members'20066,985,685'Developing device and image forming apparatus'20066,978,099'Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge'20056,957,023'Image forming apparatus, developing unit and storage medium'20056,947,677'Image forming apparatus with developing apparatus and method thereof'20056,938,714'Braking force input system'2005D0508138'Head light for a motorcycle'2005D0502432'Air cleaner case cover for motorcycle'20056,834,175'Developer agitating member'20046,829,463'Toner replenishing method with improved storage and separation units'20046,814,477'License light'20046,802,632'Vehicular light-emitting device'20046,719,327'Meter cover structure'20046,708,007'Image forming apparatus and image forming method'20046,688,175'Speedometer mounting structure in motorcycle'20046,654,566'Developer agitating system, electrophotographic image forming apparatus and cartridge'20036,640,060'Image forming apparatus with developer density and remaining amount detection'2003D0476933'Rear fender for two-wheeled motor vehicles'2003D0470799'Motorcycle'20036,496,664'Image forming apparatus comprising storing means for storing information that a setting operation is performed'20026,488,475'Electric blower and electric cleaner with an air cooled power device situated between the impeller and motor'2002D0463871'Tail light for two-wheeled motor vehicles'2002D0461920'License plate light for two-wheeled motor vehicles'20026,421,516'Developing device and image forming apparatus having a restricted developer surface level feature'20026,381,431'Charging apparatus including a magnetic brush with local anti-contamination feature'20026,343,193'Process cartridge and image forming apparatus including a developer remaining amount detecting member'20026,324,369'Developing apparatus, process cartridge and image forming apparatus'2001D0447722'Motorcycle'20016,239,600'Microwave type concentration measuring apparatus'20016,207,323'Hydrogen storage alloy electrode'20016,181,145'Probe card'20016,151,467'Developing apparatus'20006,131,007'Developing device, process cartridge and electrophotographic image forming apparatus'2000D0426174'Motorcycle'20006,058,284'Developing apparatus'2000D0417173'Motorcycle'19995,987,296'Fixing device with heat roller having heating resistor layer therein'19995,969,254'Phase difference measuring apparatus and method'19995,781,835'Developing device comprising a magnetic member'19985,767,409'Phase difference measuring apparatus and method using a first and second receive signal'19985,682,585'Developing apparatus generating electric field between developer carrying member and developer layer regulating member'19975,666,606'Image forming apparatus comprising contact type charging member'19975,627,583'Electroendoscope apparatus'19975,614,943'Dissimilar endoscopes usable with a common control unit'19975,610,527'Phase difference microwave densitometer and method which detects a number of phase rotations through a reference point'19975,609,561'Electronic type endoscope in which image pickup unit is dismounted to execute disinfection/sterilization processing'19975,605,585'Method for producing hydrogen storage alloy particles and sealed-type nickel-metal hydride storage battery using the same'19975,584,003'Control systems having an address conversion device for controlling a cache memory and a cache tag memory'19965,581,191'Microwave densitometer'19965,576,565'MIS capacitor and a semiconductor device utilizing said MIS capacitor'19965,558,619'Endoscope system with automatic control according to movement of an operator'19965,512,385'Hydrogen storage alloy and nickel-metal hydride storage battery using the same'19965,502,393'Densitometer using a microwave'19965,475,825'Semiconductor device having combined fully associative memories'19955,465,344'Microprocessor with dual-port cache memory for reducing penalty of consecutive memory address accesses'19955,463,751'Memory device having address translator and comparator for comparing memory cell array outputs'19955,446,851'Instruction supplier for a microprocessor capable of preventing a functional error operation'19955,434,989'Cache memory for efficient access with address selectors'19955,433,740'Method and apparatus for thermotherapy'19955,398,056'Endoscope system'19955,389,898'Phase locked loop having plural selectable voltage controlled oscillators'19955,351,677'Medical system having object information reproduction means for palpation'19945,339,799'Medical system for reproducing a state of contact of the treatment section in the operation unit'19945,327,372'Semiconductor memory device'19945,315,383'Endoscope system'19945,251,358'Vacuum cleaner with fuzzy logic'19935,252,863'Drive circuit for use in a semiconductor integrated circuit'19935,239,215'Large scale integrated circuit configured to eliminate clock signal skew effects'19935,233,682'Vacuum cleaner with fuzzy control'19935,216,777'Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner'19935,208,783'Memory unit delay-compensating circuit'19935,193,885'Hydraulic pressure booster system'19935,182,833'Vacuum cleaner'1993D0332588'Motorcycle'19935,144,715'Vacuum cleaner and method of determining type of floor surface being cleaned thereby'19925,090,259'Pipe-inspecting apparatus having a self propelled unit'19925,054,002'Memory unit with compensating delay circuit corresponding to a decoder delay'19915,029,126'Cache memory'19914,999,203'Method for producing miso'19914,942,640'Automatic electric vacuum cleaner with temporary manual override'19904,921,912'Epoxy resin composition containing acrylic oligomer, amine and amine-terminated nitrile rubber'19904,909,469'Seat slider assembly'19904,887,084'Priority encoder'19894,870,022'Apparatus and method for producing miso'19894,820,974'Method for measuring a characteristic of semiconductor memory device'19894,712,194'Static random access memory'19874,678,052'Power steering apparatus'19874,672,584'CMOS integrated circuit'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (31)· patent assignee history
1987–2010Based in Saitama, JP· patent location history
1991–1997Based in Osaka, JP· patent location history
1992–2021Based in Tokyo, JP· patent location history
1993–2013Patents assigned to HONDA MOTOR CO LTD (20)· patent assignee history
1994–2013Based in Hachioji, JP· patent location history
1997–2017Patents assigned to CANON KK (30)· patent assignee history
2008–2020Patents assigned to TOYODA GOSEI KK (18)· patent assignee history
2008–2012Based in Aichi, JP· patent location history
2012–2017Patents assigned to YAMAGUCHI SEIJI (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD311987–2007
CANON KK301997–2017
HONDA MOTOR CO LTD201993–2013
TOYODA GOSEI KK182008–2020
YAMAGUCHI SEIJIself112012–2017
Locations
LocationPatentsSpan
Tokyo, JP151992–2021
Aichi, JP122008–2012
Hachioji, JP111994–2013
Saitama, JP111987–2010
Osaka, JP111991–1997