LexDanaLexDanabeta
Inventor

Shigeru Arai

Inventor
Kanagawa, JP

Overview

37→
Patents
1978–2019
Patent span
Physics
Primary field (CPC G)

Patents· 37 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 transducer26%
H04NPictorial communication, e.g. television22%
G06TImage data processing or generation, in general8%
G06FElectric digital data processing6%
G06KGraphical data reading6%
F04BPositive-displacement machines for liquids4%
G03GElectrography4%
B01DSeparation2%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
PatentTitleYear
10,394,174Image forming apparatus and image processing method20199,696,650'Image forming apparatus that corrects a light quantity emitted from chips having light emitting elements'20179,426,314'Image processing apparatus, image forming system, and image forming apparatus for correcting pixel density'20169,267,663'Illumination device'20169,251,445'Image processing apparatus, image forming system, image forming apparatus, and image processing method for correcting density of image information'20169,036,210'Image processing device, image forming apparatus, image processing method, and non-transitory computer readable medium'20158,902,470'Image processing apparatus, image forming system, image processing method and non-transitory computer readable medium'20148,724,174'Image processing apparatus, image forming apparatus, image processing method, and computer-readable medium'20148,638,468'Resolution conversion using deviation direction of a pixel value of an image'20148,385,635'Image processing apparatus for performing AM screen processing and FM screen processing, image processing method, computer-readable medium'20138,151,834'Hydrogen compressor system'20128,064,689'Image processor, image-processing method, and computer-readable medium'20117,973,497'Discharge tube lighting apparatus'20117,898,691'Image processor, image formation device, image processing method, and computer-readable medium'20117,719,713'Image processing apparatus, image processing method multicolor image forming apparatus, computer-readable medium, and computer data signal'20107,563,078'Reciprocating compressor'20097,052,250'Reciprocating compressor'20066,466,920'Method and system for preventing illegal use of digital contents, processing program thereof, and recording medium for the program'20026,292,444'Optical storage device made thinner by substituting electrical means for capabilities of sensors'20016,069,858'Optical disk apparatus'20006,014,726'Storage apparatus adapted to interface with a host apparatus for processing two different types of recording media'20005,978,330'Optical storage device made thinner by substituting electrical means for capabilities of sensors'19995,917,796'Magneto-optical disk apparatus having an ejector arm and magnetic field generating means mounted on a stationary base'19995,771,217'Magneto-optical disk apparatus having a ejector arm and magnetic field generating means mounted on a stationary base'19985,649,081'Method and apparatus for pattern data processing'19975,485,560'Displaying method and system for displaying an object by designating a state of display of the object'19965,479,499'Sensor circuit for voice/fax switch with cascaded amplifier circuit'19955,392,273'Optical storage drive controller with predetermined light source drive values stored in non-volatile memory'19955,339,247'Distributed data CAD system'19945,142,520'System for obtaining optimum focusing position in optical disc system'19924,899,325'Fine access method and circuit for an optical disk drive using a multi-track jump'19904,888,752'Focusing and tracking servo system for controlling the projection of an optical beam on an optical disk'19894,855,983'Apparatus for recording and reading an optical disk, having reduced offset in its tracking error signal'19894,782,474'Tracking servo system for controllably projecting an optical beam on an optical disk'19884,627,040'Optical disk tracking apparatus'19864,111,810'Desalination reverse osmotic membranes and their preparation'19784,092,471'Method for removing unreacted monomers from aqueous dispersions of polymerizate'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2001Patents assigned to FUJITSU LTD (13)· patent assignee history
1986–1992Based in Zushi, JP· patent location history
1994–2002Patents assigned to HITACHI LTD (4)· patent assignee history
1994–2017Based in Yokohama, JP· patent location history
1995–2002Based in Kawasaki, JP· patent location history
1996–2019Based in Kanagawa, JP· patent location history
2006–2016Based in Tokyo, JP· patent location history
2010–2019Patents assigned to FUJI XEROX CO LTD (12)· patent assignee history
2011–2016Patents assigned to ARAI SHIGERU (6)· patent assignee history
2011–2014Patents assigned to MISAIZU TORU (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD131986–2001
FUJI XEROX CO LTD122010–2019
ARAI SHIGERUself62011–2016
HITACHI LTD41994–2002
MISAIZU TORU42011–2014
Locations
LocationPatentsSpan
Kanagawa, JP111996–2019
Kawasaki, JP81995–2002
Zushi, JP61986–1992
Yokohama, JP41994–2017
Tokyo, JP32006–2016