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Tatsuji Kurogama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Assembly method of optical pickup and optical pickup apparatus
Patent number
8,199,616
Issue date
Jun 12, 2012
Konica Minolta Opto, INC
Hideyuki Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup apparatus
Patent number
7,929,385
Issue date
Apr 19, 2011
Konica Minolta Opto, INC
Katsumi Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Assembly method of optical pickup and optical pickup apparatus
Patent number
7,843,777
Issue date
Nov 30, 2010
Konica Minolta Opto, INC
Hideyuki Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup apparatus with temperature compensation
Patent number
7,724,634
Issue date
May 25, 2010
Konica Minolta Opto, INC
Tatsuji Kurogama
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical reading apparatus and optical reading method
Patent number
6,637,656
Issue date
Oct 28, 2003
Konica Corporation
Tatsuji Kurogama
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Assembly Method of Optical Pickup and Optical Pickup Apparatus
Publication number
20110122746
Publication date
May 26, 2011
Konica Minolta Opto, Inc.
Hideyuki Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup apparatus
Publication number
20070177483
Publication date
Aug 2, 2007
KONICA MINOLTA OPTO, INC.
Tatsuji Kurogama
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup apparatus
Publication number
20060198279
Publication date
Sep 7, 2006
KONICA MINOLTA OPTO, INC.
Tatsuji Kurogama
G11 - INFORMATION STORAGE
Information
Patent Application
Assembly method of optical pickup and optical pickup apparatus
Publication number
20060018214
Publication date
Jan 26, 2006
Konica Minolta Opto, Inc.
Hideyuki Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup apparatus
Publication number
20060013109
Publication date
Jan 19, 2006
Konica Minolta Opto, Inc.
Katsumi Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Application
Objective lens and optical pickup apparatus
Publication number
20050224693
Publication date
Oct 13, 2005
KONICA MINOLTA OPTO, INC.
Kiyono Ikenaka
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup device and optical system used for the same
Publication number
20050105447
Publication date
May 19, 2005
KONICA MINOLTA OPTO, INC.
Kiyono Ikenaka
G11 - INFORMATION STORAGE
Information
Patent Application
Optical reading apparatus and optical reading method
Publication number
20010050313
Publication date
Dec 13, 2001
KONICA CORPORATION
Tatsuji Kurogama
G01 - MEASURING TESTING