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Inventor

Masahisa Shinoda

Inventor
Tokyo, JP

Overview

21→
Patents
1990–2014
Patent span
Physics
Primary field (CPC G)

Patents· 21 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 transducer83%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
8,693,295'Optical disc medium and optical disc device'20148,472,300'Optical head device and optical disc device'20138,134,908'Diffractive optical element and optical pickup'20128,077,581'Optical pickup and optical disc drive'20118,018,799'Optical pickup device and optical disc device'20117,848,206'Diffractive optical element and optical head'20107,782,730'Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device'20107,652,246'Optical pickup device and optical disk device'20107,266,072'Semiconductor laser unit and optical head device'20076,912,192'Semiconductor laser unit and optical head device'20055,986,984'Optical information processing device having switchable optics for use with plural media types'19995,511,048'Magneto-optical recording and reproducing apparatus'19965,469,423'Laser power control of an optical head with a plurality of beam sources'19955,434,834'Optical recording and reproducing apparatus for tracking wobbling guide grooves'19955,383,169'Optical recording and reproducing apparatus for tracking wobbling guide grooves'19955,367,512'Multi-beam optical recording-reproduction device with independent error detection for each beam'19945,359,588'Optical recording/reproducing apparatus'19945,303,216'Optical recording and reproducing apparatus for tracking wobbling guide grooves'19945,130,965'Optical recording/reproducing apparatus using a light spot switching means for centering beams on an information track'19924,942,584'Semiconductor laser apparatus driving system'19904,935,913'Optical information recording and reproducing apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2014Patents assigned to MITSUBISHI ELECTRIC CORP (19)· patent assignee history
1990–2014Patents assigned to SHINODA MASAHISA (5)· patent assignee history
1990–2007Based in Nagaokakyo, JP· patent location history
1990Based in Kyoto, JP· patent location history
1992–2014Based in Tokyo, JP· patent location history
2012–2014Patents assigned to NAKAI KENYA (3)· patent assignee history
2012–2013Patents assigned to NAKAHARA HIRONORI (2)· patent assignee history
2013–2014Patents assigned to TAKESHITA NOBUO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP191990–2014
SHINODA MASAHISAself51990–2014
NAKAI KENYA32012–2014
NAKAHARA HIRONORI22012–2013
TAKESHITA NOBUO22013–2014
Locations
LocationPatentsSpan
Tokyo, JP101992–2014
Nagaokakyo, JP101990–2007
Kyoto, JP11990