LexDanaLexDanabeta
Inventor

Yoshiyuki Shimizu

Inventor
Osaka, JP

Overview

112→
Patents
1977–2021
Patent span
Physics
Primary field (CPC G)

Patents· 112 as inventor

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

G03Gprimary
G03GElectrography31%
G02BOptical elements, systems or apparatus11%
LOC165%
A61FFilters implantable into blood vessels3%
B62DMotor vehicles3%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
C03BManufacture, shaping, or supplementary processes2%
H04NPictorial communication, e.g. television2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
PatentTitleYear
11,123,046Monitoring thermal ablation using registration of B-mode ultrasound images202111,014,516Energy absorber202110,999,551Solid-state image capture device including stacked pixel substrate and circuit substrate and image capture device202110,872,249Display control device, display control system, display control method, and non-transitory storage medium202010,816,914Developer container for image forming apparatus202010,688,868On-vehicle display control device, on-vehicle display system, on-vehicle display control method, and non-transitory storage medium202010,558,145Downsized developer container with higher degree of freedom202010,410,514Display device for vehicle and display method for vehicle201910,398,611Packaged absorbent article201910,337,392Multicylinder engine cooling apparatus201910,295,933Developer container, developing device, process unit, and image forming apparatus201910,175,607Developer container including a convex portion, a rotator, and a recess20199,927,298'Spectroscopic measurement apparatus'20189,723,988'Brain disease diagnosis system'20179,696,657'Developer container, developing device, process unit, and image forming apparatus'20179,658,574'Powder container, developing device, process unit, and image forming apparatus'20179,504,614'Packaged absorbent article'20169,307,189'Relay apparatus controlling signal channel selection'20169,280,130'Developer container, developing device, process unit, and image forming apparatus'20169,268,300'Process unit including a rotatable shaft along a driving force vector and image forming apparatus including the same'20169,239,565'Powder container, developing unit, process unit, and image forming apparatus incorporating same'20169,221,436'Vehicle brake pressure controller'20159,176,419'Developer container, developing device, process unit, and image forming apparatus'20159,147,673'Semiconductor power converter and method of manufacturing the same'20159,141,028'Image forming apparatus and developer container, developing device, process unit, and replaceable unit therefor'20159,069,284'Image forming apparatus and powder transport unit'20159,061,585'Cooling air introduction apparatus for vehicle'20159,042,745'Developer amount detector, image forming apparatus incorporating same, and positioning structure for positioning unit within image forming apparatus'2015D0724655'Powder container'2015D0723099'Powder container'20158,961,483'Individually packaged absorbent article by wrapper sheet'20158,903,283'Shutter assembly, powder container, cleaning device, and image forming apparatus'20148,872,327'Semiconductor device'20148,861,991'Developer amount detector, and developer container, development device, and image forming apparatus incorporating same'2014D0712463'Powder container'20148,811,859'Developer container, development device, process unit, and image forming apparatus'20148,805,214'Image forming apparatus'20148,792,808'Developer container, developing device, process unit, and image forming apparatus'20148,774,683'Development device, developer container, and image forming apparatus'20148,768,203'Image forming apparatus capable of effectively utilizing interior space'20148,744,321'Developer container, developing device, process unit, and image forming apparatus'20148,712,310'Image forming apparatus and control method therefor'20148,676,294'Brain disease diagnosis system'2014D0698387'Powder container'20148,579,875'Packaged absorbent article'20138,526,849'Process cartridge and image forming apparatus'20138,493,762'Power semiconductor module and semiconductor power converter provided with the same'20138,442,414'Seal member, developing device, process cartridge, and image forming apparatus'20138,275,285'Process cartridge and image forming apparatus'20128,260,186'Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable'20128,208,832'Toner-collecting device and image forming apparatus'20128,189,027'Exposure unit, image forming apparatus and image forming method'20128,160,476'Latent image carrier having pairs of first and second positioning protrusions and image forming apparatus'20128,135,313'Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw'20128,135,329'Toner conveyer device, process cartridge, and image forming apparatus'20128,111,470'Composite lens and method for manufacturing the same'20128,103,195'Toner agitating unit, toner hopper, process cartridge, and image forming apparatus'20128,095,035'Developing device, process unit, and image forming apparatus, with supporting members, grooves, and supported developing roller'20128,081,897'Seal member, developing device, process cartridge, and image forming apparatus'20118,052,664'Packaged absorbent article'20118,019,254'Toner conveying device, process cartridge, and image forming apparatus'20118,019,259'Development device, process unit, and image forming apparatus'20117,995,949'Powder conveyance device, process unit, and image forming device'20117,979,013'Developing device of image forming apparatus'20117,965,958'Developing device, process cartridge and image forming apparatus'20117,965,957'Developing device and image forming apparatus that uses this developing device'20117,945,203'Waste-toner collecting device, process cartridge, and image forming apparatus'20117,940,419'Image forming method and apparatus for effectively positioning an image forming member'20117,917,077'Waste-toner housing device, and image forming apparatus'20117,890,044'Powder conveyance device, toner conveyance device, process cartridge and image forming apparatus'20117,873,302'Cleaning device and image forming apparatus'20117,859,772'Composite optical element and method for manufacturing the same'20107,820,348'Toner recovery apparatus, process cartridge, and image forming apparatus'20107,720,428'Toner recovery apparatus, process cartridge, and image forming apparatus'20107,706,724'Charging-roller bearing member, process cartridge, and image forming apparatus'20107,634,213'Toner collecting device, image forming unit and image forming apparatus'20097,623,821'Conveyor device, process cartridge, image forming apparatus, and method of forming image'2009D0603450'Process cartridge for image forming apparatus'2009D0597129'Process cartridge for image forming apparatus'2009D0590011'Process cartridge for image forming apparatus'2009D0590012'Process cartridge for image forming apparatus'20097,453,788'Optical head, optical information recording/reproducing apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server and car navigation system'2008D0580968'Process cartridge for image forming apparatus'20087,424,263'Toner recovery belt conveyor, process cartridge, and image forming apparatus using the same'20087,090,250'Steering system with tilt control'20066,495,038'Centrifugal separator with vertically detachable casing'20026,260,883'Steering column holding structure'20016,219,189'Objective lens unit for reflective fluorescence and reflective fluorescence microscope having an objective lens unit for reflective fluorescence'20015,844,729'Wide angle photographic lens'19985,805,361'Optical element, optical element molding die, and method of molding the optical element'19985,759,457'Method for manufacturing an optical element'19985,757,552'Microscope objective lens and a microscope incorporating same'19985,704,641'Position stopper of tilt steering column'19985,668,673'Catadioptric reduction projection optical system'19975,626,641'Method of manufacturing a glass blank used for optical glass elements'19975,579,167'Super-wide field eyepiece'19965,477,388'Inverse telescopic wide angle lens'19955,322,541'Method of producing glass blank'19945,321,554'Inverse telescopic wide angle lens'19945,237,470'Magnetic tape cassette loading/unloading apparatus which selectively loads different size cassettes'19935,175,652'Imaging optical system'19925,091,934'Tone modification system for telephone system with clock'19925,088,768'Structure of impact absorbing steering apparatus'19924,946,265'Microscope whose enlargement magnification is changeable'19904,897,744'Apparatus for selectively loading small or large tape cassettes'19904,890,505'Structure of telescopic steering apparatus for a vehicle'19904,666,256'Microscope objective lens'19874,592,624'Objective lens for microscope of low magnification'19864,588,264'Microscope objective lens'19864,316,653'Condenser optical system for a microscope'19824,186,993'Epidark illumination system'19804,027,951'Parfocal low-magnification microscope objective lens systems'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2001Based in Miura, JP· patent location history
1990–2020Based in Osaka, JP· patent location history
2011–2020Patents assigned to RICOH CO LTD (49)· patent assignee history
2011–2019Patents assigned to SHIMIZU YOSHIYUKI (41)· patent assignee history
2011–2019Patents assigned to KUBOTA TOMOHIRO (31)· patent assignee history
2011–2015Based in Hyogo, JP· patent location history
2011–2019Based in Kobe, JP· patent location history
2012–2019Patents assigned to HAMADA MANABU (18)· patent assignee history
2013–2019Based in Tokyo, JP· patent location history
2014–2019Patents assigned to TSURITANI SHOH (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD492011–2020
SHIMIZU YOSHIYUKIself412011–2019
KUBOTA TOMOHIRO312011–2019
HAMADA MANABU182012–2019
TSURITANI SHOH162014–2019
Locations
LocationPatentsSpan
Osaka, JP411990–2020
Miura, JP121982–2001
Hyogo, JP102011–2015
Tokyo, JP62013–2019
Kobe, JP52011–2019