Inventor
Yuki Nakamura
Inventor
Tokyo, JP
Overview
Patents· 133 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer12%
H10DInorganic electric semiconductor devices12%
H01LSemiconductor devices11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H10KOrganic electric solid-state devices6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
Y10TTechnical subjects covered by former us classification4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
B41JTypewriters2%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids2%
PatentTitleYear
10,865,648Turbine rotor blade assembly202010,857,839Tire202010,858,947Method for measuring pre-twist amount of blade, and method for manufacturing rotor202010,818,770Metal oxide, field-effect transistor, and method for producing the same202010,818,705Method for manufacturing a field effect transistor, method for manufacturing a volatile semiconductor memory element, method for manufacturing a non-volatile semiconductor memory element, method for manufacturing a display element, method for manufacturing an image display device, and method for manufacturing a system202010,787,041Pneumatic tire with layered decorative portion on sidewall outer surface202010,790,308Field-effect transistor, display element, image display device, and system202010,785,470Image processing apparatus, image processing method, and image processing system202010,781,700Turbine rotor blade assembly202010,775,523Survey method, seismic vibrator, and survey system202010,748,784Field effect transistor, method for manufacturing same, display element, display device, and system202010,722,818Agitation/defoaming method and agitation/defoaming device202010,699,632Field-effect transistor having dual gate oxide insulating layers, display element, image display device, and system202010,672,914Field-effect transistor and method for producing field-effect transistor202010,643,901Field-effect transistor, display element, image display, system, and composition of gate insulating layer including silicon and magnesium oxides202010,629,623Gas barrier laminate, semiconductor device, display element, display device, and system202010,603,963Pneumatic tire with sidewall decorative portion inner layer, print layer, and outer layer202010,600,916Field-effect transistor, display element, image display device, and system202010,586,873Method for producing field-effect transistor202010,565,954Field-effect transistor, display element, image display device, and system202010,516,053Field-effect transistor, display element, image display device, and system201910,505,046Field-effect transistor including a metal oxide composite protective layer, and display element, image display device, and system including the field-effect transistor201910,403,234Field-effect transistor, display element, image display device, and system201910,403,765Semiconductor device, display device, display apparatus, and system201910,312,373Field-effect transistor (FET) having oxide insulating layer disposed on gate insulating film and between source and drain electrodes, and display element, display and system including said FET, and method of manufacturing said FET201910,269,293Field-effect transistor (FET) having gate oxide insulating layer including SI and alkaline earth elements, and display element, image display and system including FET201910,245,898Rubber decor and tire201910,236,304Gas barrier laminate, semiconductor device, display element, display device, and system201910,236,349P-type oxide, p-type oxide-producing composition, method for producing p-type oxide, semiconductor device, display device, image display apparatus, and system201910,235,930Field-effect transistor including first and second gate insulating layers, display element, image display device and system including field-effect transistor201910,204,799Method for manufacturing a field-effect transistor201910,174,787Motion guide apparatus201910,170,635Semiconductor device, display device, display apparatus, and system201910,141,185Oxide semiconductor, coating liquid, method of forming oxide semiconductor film, semiconductor element, display element, image display device and image display system201810,125,813Motion guide apparatus201810,115,828Field-effect transistor, display element, image display device, and system201810,080,832Artificial dialysis device201810,023,013Tire and tire surface printing method201810,020,374Field-effect transistor, semiconductor memory display element, image display device, and system201810,014,655Optical module201810,008,181Field-effect transistor, display element, image display device, and system20189,978,877Electroconductive thin film, coating liquid for forming electroconductive thin film, field-effect transistor, and method for producing field-effect transistor20189,972,274Field-effect transistor, display element, image display device, and system20189,863,470'Motion guide apparatus and method for manufacturing the same'20189,774,126'Electrical connector which through-holes are partitioned from the adjoining through-hole by a tabular partition that coupled with the operation lever'20179,761,673'Amorphous p-type oxide for a semiconductor device'20179,759,215'Internal rotor-type fluid machine'20179,748,097'Coating liquid for forming metal oxide film, metal oxide film, field-effect transistor, and method for producing field-effect transistor'20179,536,957'P-type oxide, composition for producing p-type oxide, method for producing p-type oxide, semiconductor element, display element, image display device, and system'20179,534,535'Four-stroke engine'20179,527,285'Nozzle plate, liquid droplet discharge head, and liquid droplet discharge apparatus'20169,481,173'Nozzle plate, method of manufacturing nozzle plate, inkjet head, and inkjet printing apparatus'20169,418,842'Coating liquid for forming metal oxide thin film, metal oxide thin film, field-effect transistor, and method for manufacturing field-effect transistor'20169,415,638'Decorative tire and method for producing same'20169,297,388'Shaft seal device and pump apparatus using the same'20169,297,378'Rotary machine and pump driving apparatus'20169,283,917'Curtain airbag device'20169,135,979'Semiconductor device outputting read data in synchronization with clock signal'20159,112,039'Field-effect transistor, display element, image display device, and system'20159,105,473'Field effect transistor, display element, image display device, and system'20159,046,102'Gear pump device with seal mechanism'20159,028,148'Motion guide device'20158,992,194'Rotation device including seal structure'20158,956,969'Hole formation method, multilayer wiring, semiconductor device, display element, image display device, and system containing via hole formed by the hole formation method'20158,915,219'Working machine engine and working machine using the same'2014D0716116'Cover for brushcutter'20148,860,146'Semiconductor device'20148,773,943'Semiconductor device outputting read data in synchronization with clock signal'20148,773,165'Logic circuit performing exclusive or operation and data processing system including the same'20148,763,567'Engine for portable working machine'20148,747,089'Fluid machine and seal member used for the same'20148,746,203'Lubrication apparatus for four-stroke engine'20148,684,848'Shaft coupling apparatus'20148,678,798'Rotary pump device having seal mechanism which includes resin member and reinforcing ring in hollow portion of resin member'20148,651,967'Torque transmission device'20148,646,418'Four-stroke engine and working machine using the same'20148,630,144'Semiconductor device outputting read data in synchronization with clock signal'20148,492,761'Field-effect transistor and method for fabricating field-effect transistor'20138,454,249'Focal plane shutter for cameras and digital camera provided with the same'2013D0682782'Engine for a brushcutter'20138,431,207'Optical recording material, optical recording medium, and recording and reproducing method of optical recording medium'20138,420,291'Positive photosensitive resin composition, method for forming pattern, electronic component'20138,304,827'Semiconductor device having on a substrate a diode formed by making use of a DMOS structure'20128,268,666'Field-effect transistor and method for fabricating field-effect transistor'20128,080,683'Electrochromic compound and electrochromic display device using the same'20118,067,080'Optical recording medium'20118,006,357'Process for fabricating piezoelectric element'20117,894,118'Electrochromic compound, electrochromic composition and display device'20117,888,239'Semiconductor device manufacturing method'20117,799,181'Method for controlling a multi-pulse record waveform at high velocity in a phase change optical medium'20107,767,284'Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof'20107,710,855'Optical recording medium, recording and reproducing method thereof, and optical recording apparatus'20107,692,801'Optical stacked structure inspecting method and optical stacked structure inspecting apparatus'20107,539,098'Optical information recording medium and recording apparatus'20097,507,523'Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information'20097,482,109'Optical information recording medium'20097,447,138'Method and apparatus for initializing optical recording media'20087,440,380'Optical information recording medium and recording apparatus'20087,422,838'Phase-change optical recording medium'20087,382,706'Method for controlling a multi-pulse record waveform at high velocity in a phase change optical medium'20087,336,583'Optical information recording medium and recording apparatus'2008RE039901'Initialization of phase-change optical recording medium'20077,263,055'Method of recording and reproducing information and apparatus for recording and reproducing information using the method'20077,251,212'Optical information recording medium'20077,245,580'Optical recording medium having protective and/or adhesive layers, and method of manufacture'20077,210,471'Breather chamber structure for internal combustion engine and internal combustion engine'20077,206,271'Method for controlling a multi-pulse record waveform at high velocity in a phase change optical medium'20077,193,950'Method for controlling a multi-pulse record waveform at high velocity in a phase change optical medium'20077,095,706'Optical information recording medium'20067,072,258'Optical information recording medium, with at least one inconsecutive part, and recording apparatus'20067,068,581'Optical recording apparatus for recording addresses and having a non-consecutive part in which addresses may or may not be set'20066,996,041'Optical recording medium recording longest mark at speed which half of lowest guaranteed speed for the recording medium'20066,990,053'Method and apparatus for initializing optical recording media'20066,886,177'Phase-change type optical information recording medium'20056,775,213'Method and apparatus for initializing optical recording media'20046,760,291'Method and apparatus for initializing optical recording media'20046,757,232'Method of recording and reproducing information and apparatus for recording and reproducing information using the method'20046,692,237'Rotary piston cylinder device with radially extending cylinder chambers intersecting at a rotary axis'20046,631,109'Optical recording method and apparatus, and optical storage medium'20036,592,958'Optical recording medium and sputtering target for fabricating the recording medium'20036,580,672'Method and apparatus for initializing optical recording media'20036,487,152'Method of recording information in phase-change recording medium and recording medium for use in the method'20026,445,669'Initialization of phase-change optical recording medium'20026,446,025'Multiple propagation wave parameter measuring method and apparatus and machine-readable recording medium recording multiple propagation wave parameter measuring program'20026,388,978'Optical recording method for a rewritable phase-change optical recording medium'20026,373,802'Method and apparatus for initializing optical recording media'20026,280,810'Phase-change information recording medium and optical recording method to make higher rotation rates feasible'20015,974,025'Optical recording medium and recording and reproducing method using the same'19995,969,641'Vehicle identification system for electric toll collection system'19995,933,178'Multi-stylus head and process for producing the same'19995,530,690'Multi-needle recording head and method of manufacturing the same'19965,107,283'Electrostatic recording head with improved alignment of recording electrodes'19925,079,572'Electrostatic recording head and method of making the same'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2010Patents assigned to RICOH KK (36)· patent assignee history
1999–2020Based in Tokyo, JP· patent location history
1999–2017Based in Shizuoka, JP· patent location history
2002–2014Based in Kanagawa, JP· patent location history
2010–2013Based in Machida, JP· patent location history
2011–2020Patents assigned to NAKAMURA YUKI (51)· patent assignee history
2011–2020Patents assigned to RICOH CO LTD (43)· patent assignee history
2011–2020Patents assigned to ABE YUKIKO (30)· patent assignee history
2012–2020Patents assigned to SONE YUJI (29)· patent assignee history
2014–2017Based in Kariya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAKAMURA YUKIself | 51 | 2011–2020 |
| RICOH CO LTD | 43 | 2011–2020 |
| RICOH KK | 36 | 1999–2010 |
| ABE YUKIKO | 30 | 2011–2020 |
| SONE YUJI | 29 | 2012–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 62 | 1999–2020 |
| Kanagawa, JP | 20 | 2002–2014 |
| Kariya, JP | 8 | 2014–2017 |
| Machida, JP | 6 | 2010–2013 |
| Shizuoka, JP | 5 | 1999–2017 |