LexDanaLexDanabeta
Inventor

Hiroyuki Iwasaki

Inventor
Kanagawa, JP

Overview

92→
Patents
1983–2021
Patent span
Physics
Primary field (CPC G)

Patents· 92 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them31%
H04NPictorial communication, e.g. television14%
G02BOptical elements, systems or apparatus6%
G03GElectrography6%
Y10TTechnical subjects covered by former us classification5%
C04BLime, magnesia4%
B28BShaping clay or other ceramic compositions3%
B41JTypewriters2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
C10MLubricating compositions1%
PatentTitleYear
11,014,360Liquid discharge apparatus, liquid discharge method, and recording medium20219,878,756'Front structure of motorcycle'20189,787,223'Motor control apparatus, image forming apparatus, and motor control method'20179,672,088'Hardware device controller, image forming apparatus, and control method'20179,436,121'Driving apparatus, image forming apparatus, method of driving control and program'20168,886,072'PWM generating unit, image forming apparatus, and image forming method'20148,542,941'Imaging device, image detecting method and focus adjusting method'20138,508,584'Image pickup apparatus, zoom correction information creation method and program, and recording medium'20138,384,767'Stereoscopic image pickup apparatus and method of adjusting optical axis'20138,229,310'Image forming device including color photoconductor drums, photoconductor drum drive controlling method for controlling color photoconductor drums, and computer-readable recording medium'20128,200,133'Image forming apparatus'20127,848,687'Image forming device and deviation correcting method'20107,712,318'Cooling apparatus, cooling method, program, computer readable information recording medium and electronic apparatus'20107,660,520'Camera system with current and discharge controlled illumination'20107,650,068'Camera and method of imaging'20107,558,510'Image forming apparatus including a phase adjusting unit for adjusting the phase of rotational fluctuation of image carriers and method for controlling the same'20097,399,736'Low viscosity, high abrasion resistance engine oil composition'20087,280,789'Image forming and reproducing apparatus, and image transferring method for controlling rotation speeds of image carriers'20076,987,931'Flash control device, flash control system, master flash device, and remote flash device'20066,795,647'Flash control device and flash control system'20046,783,875'Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members'20046,641,311'Camera, and method of opening and closing a lens'20036,564,014'Flash control device'20036,560,412'Electronic flash controlling device'20036,393,218'Camera'20026,278,843'Optical instrument equipped with zoom lens'20016,272,292'Electronic flash control apparatus'20016,195,211'Zoom lens device with zooming position detector'20016,176,256'Gas pressure-reducing valve'20016,155,290'Gas pressure-reducing valve'20006,154,612'Electronic flash control device'20006,104,549'Zoom lens device with zooming position detector'20006,096,693'Zinc-molybdenum-based dithiocarbamate derivative, method of producing the same, and lubricant composition containing the same'20005,987,265'Photometry device of camera'19995,963,252'Photometry device that detects and compensates for an inversion abnormality'19995,926,322'Zoom lens device with zooming position detector'19995,887,204'Camera photometry device'19995,819,120'Variable focus lens device in camera'19985,790,903'Zoom lens device'19985,777,671'Solid state imager having high frequency transfer mode'19985,771,411'Photometry device and method'19985,768,540'Photometric apparatus'19985,758,201'Camera having line of sight detecting device'19985,749,001'Camera photometry device'19985,749,002'Chromatic balancer for flash cameras'19985,742,852'Photometry system'19985,740,481'Exposure calculation device for camera'19985,721,645'Optical instrument with movable lens barrel'19985,717,459'Solid state imager device having A/D converter'19985,717,965'Photometry device and camera with photometry device'19985,706,576'Parts mounter cartridge structure and parts mounter managing system'19985,701,526'Photometry apparatus'19975,687,407'Exposure calculation device for camera'19975,642,162'Charge transfer device having a signal processing circuit for correcting output voltage'19975,640,235'Photometric device and method'19975,627,620'Photometry device and method'19975,604,584'Photometry device with correction for temperature change'19975,581,294'Serial thermal printing method'19965,576,799'Camera photometry system'19965,576,800'Camera having an auxiliary photographing function'19965,526,092'Photometric control device for camera'19965,521,673'Photometric apparatus of a camera'19965,515,600'Parts mounter and cartridge structure'19965,515,132'Photometric control device for camera'19965,497,215'Camera photometry system'19965,489,964'Camera'19965,475,466'Camera having target follow up function'19955,473,155'Photometric sensor'19955,461,452'Exposure calculating apparatus'19955,450,163'Photometric device for camera'19955,434,640'Exposure calculation device for camera'19955,419,280'Milking machine'19955,418,595'Camera having a subject tracking function and method therefor'19955,414,487'Light metering calculation apparatus'19955,394,160'Portable radio with coplanar ground and atenna conductive films formed on the inner surface of the case'19955,392,091'Exposure calculating apparatus'19955,375,256'Broadband radio transceiver'19945,313,246'Exposure control device in a camera'19945,296,175'Method of forming molded body'19945,268,227'Magnetic recording medium comprising a ferromagnetic metallic then film having a top coat of (a) a hydrocarbonsulfuric or hydrocarbonsulfonic acid or salt and (b) a fluorinated polyether'19935,266,984'Exposure calculating apparatus for camera'19935,249,015'Exposure calculation device'19935,238,627'Method for producing ceramics sintered article and molding method and molding apparatus to be used therefor'19935,156,856'Mold for forming molded body'19925,140,212'Diaphragm electromagnetic drive device'19925,130,210'Stabilized zirconia solid electrolyte and process for preparation thereof'19925,016,039'Camera system'19914,976,903'Shaping molds and shaping of ceramic bodies by using such shaping molds'19904,950,562'Solid electrolyte type fuel cells'19904,840,843'Magnetic recording medium'19894,834,926'Process for producing silicon nitride ceramic articles'19894,371,437'Fuel sedimentation device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to FUJI PHOTO FILM CO LTD (13)· patent assignee history
1989–2004Patents assigned to NGK INSULATORS LTD (6)· patent assignee history
1989–2021Based in Kanagawa, JP· patent location history
1990–2013Based in Saitama, JP· patent location history
1991–2013Patents assigned to NIKON CORP (47)· patent assignee history
1991–2008Based in Tokyo, JP· patent location history
1993–1998Based in Kawasaki, JP· patent location history
1997–2013Based in Yokohama, JP· patent location history
2010–2021Patents assigned to RICOH CO LTD (8)· patent assignee history
2012–2021Patents assigned to IWASAKI HIROYUKI (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP471991–2013
FUJI PHOTO FILM CO LTD131989–2003
IWASAKI HIROYUKIself102012–2021
RICOH CO LTD82010–2021
NGK INSULATORS LTD61989–2004
Locations
LocationPatentsSpan
Kanagawa, JP181989–2021
Kawasaki, JP171993–1998
Tokyo, JP161991–2008
Yokohama, JP151997–2013
Saitama, JP101990–2013