LexDanaLexDanabeta
Inventor

Norikazu Arai

Inventor
Hachioji, JP

Overview

43→
Patents
1984–2011
Patent span
Physics
Primary field (CPC G)

Patents· 43 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 transducer40%
G02BOptical elements, systems or apparatus27%
E05BLocks14%
B29CShaping or joining of plastics3%
B29DProducing particular articles from plastics or from substances in a plastic state3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
C03BManufacture, shaping, or supplementary processes3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
G06KGraphical data reading1%
PatentTitleYear
7,961,583'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20117,924,681'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20117,889,617'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20117,668,065'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20107,366,078'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20087,342,851'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20087,327,663'Recording reproducing optical system, objective lens, and aberration correcting optical element'20087,280,444'Objective optical element, optical pickup device, and optical information recording and reproducing device'20077,173,897'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20077,173,895'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20077,173,896'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element and information recording/reproducing method'20077,164,625'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20077,151,735'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20067,012,767'Optical pickup lens, molded optical component, handling method, and mold for optical component'20066,950,384'Optical pickup appratus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20056,919,996'Objective lens for use in optical pickup apparatus and optical pickup apparatus'20056,894,849'Molded optical component, handling method, and assembling method'20056,870,805'Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method'20056,765,732'Optical pickup lens, molded optical component, handling method, and mold for optical component'20046,728,042'Optical pick-up device and objective lens used therein'20046,687,209'Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording medium'20046,671,247'Optical pick-up apparatus, optical element, and objective lens having diffracting section'20036,414,751'Displacement measurement apparatus'20026,411,587'Optical pickup optical system, optical pickup apparatus, coupling optical system, coupling optical system lens and recording/reproduction apparatus'20026,400,672'Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens'20026,366,542'Optical pickup apparatus and objective lens'20026,243,349'Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens'20016,192,021'Optical pickup apparatus'20016,118,749'Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens'20006,061,324'Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens'20006,052,355'Optical pickup apparatus and a compensation element therefor'20006,049,519'Optical system for recording and reproducing for use in optical information recording medium'20005,966,362'Optical system for recording and reproducing for use in optical information recording medium'19995,818,809'Optical system for recording and/or reproducing an optical information recording medium'19985,475,537'Optical system for use in recording and reading information on an optical information medium'1995RE034455'Large-aperture single lens with aspherical surfaces'19934,909,616'Optical system for recording and reproducing an optical information medium'19904,902,114'Objective lens for an optical disk'19904,889,417'Projection lens for television projector'19894,838,670'Projection lens for a projector'19894,666,261'Projection lens for a television projector'19874,484,803'Objective lens for regenerating a video disc'19844,449,792'Large-aperture single lens with aspherical surfaces'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2005Patents assigned to KONISHIROKU PHOTO IND (28)· patent assignee history
1984–2005Based in Komae, JP· patent location history
1990–2011Based in Hachioji, JP· patent location history
2002–2008Based in Tokyo, JP· patent location history
2004–2006Patents assigned to KONICA MINOLTA HOLDINGS INC (2)· patent assignee history
2006–2011Patents assigned to KONICA CORP (12)· patent assignee history
2007Patents assigned to KONICA MINOLTA OPTO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND281984–2005
KONICA CORP122006–2011
KONICA MINOLTA HOLDINGS INC22004–2006
KONICA MINOLTA OPTO INC12007
Locations
LocationPatentsSpan
Hachioji, JP311990–2011
Komae, JP81984–2005
Tokyo, JP42002–2008