LexDanaLexDanabeta
Inventor

Yasushi Shimizu

Inventor
Fujisawa, JP

Overview

118→
Patents
1982–2021
Patent span
Physics
Primary field (CPC G)

Patents· 118 as inventor

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

G03Gprimary
G03GElectrography18%
H04NPictorial communication, e.g. television9%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
H01LSemiconductor devices5%
H10NElectric solid-state devices not otherwise provided for5%
G06FElectric digital data processing4%
H02NElectric machines not otherwise provided for4%
G02BOptical elements, systems or apparatus4%
G10KSound-producing devices3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,892,020Semiconductor memory device202110,868,232Piezoelectric material, manufacturing method for piezoelectric material, piezoelectric element, vibration wave motor, optical equipment, and electronic device20209,755,136'Piezoelectric material, piezoelectric element, and electronic apparatus'20179,722,171'Piezoelectric material, piezoelectric element, and electronic apparatus'20179,720,353'Electrophotographic intermediate transfer member and electrophotographic apparatus'20179,698,337'Piezoelectric ceramic, piezoelectric element, and electronic appliance'20179,680,085'Ceramic powder, piezoelectric ceramic, piezoelectric element, and electronic equipment'20179,614,141'Piezoelectric ceramic, piezoelectric element, piezoelectric device and piezoelectric ceramic manufacturing method'20179,519,140'Dust removing device, manufacturing method for same, and image pickup apparatus'20169,515,249'Piezoelectric material'20169,419,204'Piezoelectric material'20169,413,928'Dust removal apparatus and image pickup apparatus'20169,390,703'Masking sound generating apparatus, storage medium stored with masking sound signal, masking sound reproducing apparatus, and program'20169,252,685'Dust removing device and imaging device'20169,250,546'Member for electrophotography, process cartridge, and electrophotographic apparatus'20169,141,313'Image forming apparatus, image forming method, and storing medium'20159,136,460'Piezoelectric element, method for manufacturing piezoelectric element, and electronic apparatus'20159,052,499'Vibrating apparatus, driving apparatus having the vibrating apparatus, and optical device'20159,030,705'Printing control apparatus and printing control method'20158,962,133'Electrophotographic member, intermediate transfer member, image forming apparatus, and method for manufacturing electrophotographic member'20158,958,113'Image input/output apparatus and image input/output method'20158,866,952'Dust removing device and image pickup apparatus'20148,861,742'Masker sound generation apparatus and program'20148,755,070'Printing apparatus, control method for printing apparatus, and program, that supplies power based on a predetermined temperature'20148,582,158'Image input/output apparatus and image input/output method'20138,526,850'Image forming apparatus and process cartridge'20138,482,764'Information processing system, image input/output apparatus, and data processing method'20138,428,272'Masking sound generating apparatus, masking system, masking sound generating method, and program'20138,330,976'Printing data held on a WWW server'20128,271,288'Sound masking system and masking sound generation method'20128,246,806'Multi-capillary array electrophoresis device'20128,204,426'Image processing for improving reliability of job-lock function'20128,142,635'Capillary array'20128,080,932'Electron-emitting device, electron source, image display apparatus and method for manufacturing electron-emitting device'20118,050,931'Sound masking system and masking sound generation method'20118,043,493'Multi-capillary array electrophoresis device'20118,019,258'Developing apparatus'20118,004,173'Antistatic film, spacer using it and picture display unit'20117,944,137'Electron source and image display apparatus'20117,840,168'Developing apparatus'20107,808,168'Spacer, manufacturing method thereof, image display apparatus using the spacer, and manufacturing method thereof'20107,785,458'Capillary array'20107,715,038'Method and apparatus to authenticate image data that includes a digital signature'20107,616,335'Printing data held on a WWW server'20097,463,854'Developing apparatus, processing cartridge, and image forming apparatus'20087,445,701'Capillary array unit and electrophoresis based thereon'20087,440,718'Developing apparatus featuring image defect supression'20087,383,003'Developing apparatus for preventing ghost images and uneven image density'20087,379,693'Developing apparatus'20087,370,694'Condenser'20087,274,474'Printing data held on a WWW server'20077,250,098'Multi-capillary array electrophoresis device'20077,251,441'Developing apparatus including magnetic field generating means, for use with a developer which includes a magnetic toner component'20077,239,831'Image forming apparatus when a maximum developing bias voltage |V| max and surface potential Vd of a charged image bearing member satisfy: |V| max≦|Vd|'20077,233,758'Developing apparatus featuring a developer carrying member with an elastic surface layer'20077,199,907'Image processing apparatus, control method of image processing apparatus, control method, memory medium and programs'20077,145,288'Image display apparatus having spacer with resistance film'20067,130,428'Picked-up-sound recording method and apparatus'20067,120,382'Image forming apparatus and control method for rotating image data based on sheet type and orientation'20067,054,004'Capillary array and capillary array photodetector'20067,031,629'Image forming apparatus which recovers toner by developing device'20067,005,052'Capillary array'20066,977,034'Capillary array and electrophoresis apparatus'20056,963,721'Image forming apparatus having function of automatically selecting one of sheet feeders, method of controlling the image forming apparatus and storage medium'20056,963,700'Image forming apparatus with variable speed charging member'20056,907,211'Image forming apparatus'20056,881,316'Capillary array device'20056,878,256'Capillary array device'20056,847,796'Charging member and image forming apparatus provided with the same'20056,801,738'Image forming apparatus having variable/controlled timing for successive feeding of recording material at image transfer position'20046,785,507'Image forming apparatus having function of automatically selecting one of sheet feeders, method of controlling the image forming apparatus and storage medium'20046,782,105'Reflection sound generator with series of main and supplementary FIR filters'20046,778,791'Image forming apparatus having charging rotatable member'20046,656,007'Method of manufacturing a spacer used in an electron beam generating device, an electron beam generating device using the spacer and image-forming apparatus'20036,608,903'Sound field reproducing method and apparatus for the same'20036,539,190'Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles'20036,496,663'Image forming apparatus including image bearing member and electrification means with changeable peripheral speed difference therebetween'20026,463,245'Developing apparatus with a DC electric field formed between a developer carrying member and a developer regulating member and image forming apparatus using the same'20026,459,864'Image forming system, method of controlling image forming system, and storage medium'20026,448,989'Image forming apparatus using digital light as image exposure means'20026,434,349'Image forming apparatus'20026,420,000'Liquid crystal device and driving method for the device'20026,343,002'Electroconductive paste, laminated ceramic capacitor, and method for manufacturing the same'20026,272,306'Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships'20016,167,212'Development density adjusting method for image forming apparatus'20006,139,470'Control apparatus for hydraulically operated vehicular transmission'20006,139,927'Liquid crystal device'20006,128,064'Liquid crystal device and liquid crystal display apparatus'20006,077,192'Control apparatus for hydraulically operated vehicular transmission'20006,072,879'Sound field control unit and sound field control device'20006,052,544'Image forming apparatus using specific electric field to transfer strontium titanate-containing developer to a drum'20006,045,483'Control apparatus for hydraulically operated vehicular transmission'20006,035,150'Developing apparatus for judging residual amount of developing agent using detection member moving at predetermined cycle'20006,026,253'Electrophotographic image forming apparatus and a developing unit and a process cartridge mountable to a main body thereof each including a portion for detecting the remaining amount of a developing agent contained in the developing unit'20005,997,774'Paste for forming internal electrode in a ceramic element'1999D0416381'Shoe cushioning system'19995,935,250'Data process apparatus and method'19995,926,672'Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum'19995,756,899'Integrated sensor'19985,682,574'Developing apparatus having reciprocating cleaning device for photodetector'19975,649,264'Developing unit having optical detection of a residual quantity of developer in a developer container'19975,602,623'Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum'19975,589,918'Process cartridge, assembling method therefor and electrophotographic apparatus'19965,565,961'Process cartridge and image forming apparatus adapted for the mounting of the same thereto with an elastic member disposed therebetween'19965,534,344'Charging member having a loosely supported charger portion'19965,488,459'Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus'19965,452,360'Sound field control device and method for controlling a sound field'1995D0356667'Shoe sole'19955,392,381'Acoustic analysis device and a frequency conversion device used therefor'19955,378,247'Separators and method of manufacturing the same'19955,131,051'Method and apparatus for controlling the sound field in auditoriums'19925,103,409'Field measuring instrument and its abnormality managing method'19925,025,472'Reverberation imparting device'19915,012,677'Differential pressure transmitter'19914,986,127'Multi-functional sensor'19914,868,682'Method of recording and reproducing video and sound information using plural recording devices and plural reproducing devices'19894,737,787'Two-wire communication system'19884,364,276'Differential pressure measuring transducer assembly'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2012Patents assigned to HITACHI LTD (17)· patent assignee history
1989–2016Patents assigned to YAMAHA CORP (14)· patent assignee history
1989–2016Based in Hamamatsu, JP· patent location history
1995–2012Based in Kanagawa, JP· patent location history
1996–2020Patents assigned to CANON KK (77)· patent assignee history
1998–2012Based in Hitachinaka, JP· patent location history
2000–2003Based in Toride, JP· patent location history
2010–2020Based in Fujisawa, JP· patent location history
2011–2016Patents assigned to SHIMIZU YASUSHI (16)· patent assignee history
2012–2016Patents assigned to HATA MASATO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK771996–2020
HITACHI LTD171982–2012
SHIMIZU YASUSHIself162011–2016
YAMAHA CORP141989–2016
HATA MASATO32012–2016
Locations
LocationPatentsSpan
Fujisawa, JP182010–2020
Hamamatsu, JP141989–2016
Hitachinaka, JP121998–2012
Kanagawa, JP101995–2012
Toride, JP102000–2003