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Toshiaki Katsuma
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Imaging lens
Patent number
9,176,304
Issue date
Nov 3, 2015
FUJIFILM Corporation
Taro Asami
G02 - OPTICS
Information
Patent Grant
Imaging lens
Patent number
9,170,404
Issue date
Oct 27, 2015
FUJIFILM Corporation
Taro Asami
G02 - OPTICS
Information
Patent Grant
Imaging lens and imaging apparatus
Patent number
9,036,269
Issue date
May 19, 2015
FUJIFILM Corporation
Hiromitsu Yamakawa
G02 - OPTICS
Information
Patent Grant
Imaging lens and imaging apparatus
Patent number
9,030,764
Issue date
May 12, 2015
FUJIFILM Corporation
Taro Asami
G02 - OPTICS
Information
Patent Grant
Imaging lens and imaging apparatus
Patent number
9,019,634
Issue date
Apr 28, 2015
FUJIFILM Corporation
Taro Asami
G02 - OPTICS
Information
Patent Grant
Imaging lens and imaging apparatus
Patent number
8,902,516
Issue date
Dec 2, 2014
FUJIFILM Corporation
Taro Asami
G02 - OPTICS
Information
Patent Grant
Objective lens, optical pickup device, and optical recording/reprod...
Patent number
8,345,356
Issue date
Jan 1, 2013
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical pickup device having the same, and recordin...
Patent number
8,064,319
Issue date
Nov 22, 2011
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical pickup device having the same, and recordin...
Patent number
8,009,544
Issue date
Aug 30, 2011
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical pickup device, and optical recording/reprod...
Patent number
7,995,290
Issue date
Aug 9, 2011
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical element molding method and optical element
Patent number
7,755,852
Issue date
Jul 13, 2010
Fujinon Corporation
Toshiaki Katsuma
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Objective optical system and optical pickup device using it
Patent number
7,680,014
Issue date
Mar 16, 2010
Fujinon Corporation
Tetsuya Ori
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective optical system for optical recording media and optical pi...
Patent number
7,613,098
Issue date
Nov 3, 2009
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Molded lens
Patent number
7,589,914
Issue date
Sep 15, 2009
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Anamorphic aspherical beam focusing lens
Patent number
7,580,601
Issue date
Aug 25, 2009
Fujinon Corporation
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Grant
Objective optical system and optical pickup device using it
Patent number
7,502,299
Issue date
Mar 10, 2009
Fujinon Corporation
Tetsuya Ori
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens for optical recording media and optical pickup devic...
Patent number
7,457,223
Issue date
Nov 25, 2008
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective optical system for optical recording media and optical pi...
Patent number
7,443,779
Issue date
Oct 28, 2008
Fujinon Corporation
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Lens with reference mounting surface
Patent number
7,417,806
Issue date
Aug 26, 2008
Fujinon Corporation
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Grant
Optical recording media objective lens and optical pickup device us...
Patent number
7,298,687
Issue date
Nov 20, 2007
Fujinon Corporation
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens and optical pickup device using it
Patent number
7,286,463
Issue date
Oct 23, 2007
Fujinon Corporation
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens for different optical recording media and an optical...
Patent number
7,266,070
Issue date
Sep 4, 2007
Fujinon Corporation
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Coupling optical system for optical communications
Patent number
7,220,064
Issue date
May 22, 2007
Fujinon Corporation
Masao Mori
G02 - OPTICS
Information
Patent Grant
Diffraction type optical pickup lens and optical pickup apparatus u...
Patent number
7,072,272
Issue date
Jul 4, 2006
Fujinon Corporation
Kaneyoshi Yagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Diffraction type lens which converges two wavelengths of light
Patent number
6,970,412
Issue date
Nov 29, 2005
Fujinon Corporation
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens for optical recording medium and optical pickup devi...
Patent number
6,781,771
Issue date
Aug 24, 2004
Fuji Photo Optical Co., Ltd.
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens for optical recording media and optical pickup appar...
Patent number
6,646,817
Issue date
Nov 11, 2003
Fuji Photo Optical Co., Ltd.
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Achromatic beam shaping prism
Patent number
6,552,851
Issue date
Apr 22, 2003
Fuji Photo Optical Co., Ltd.
Toshiaki Katsuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Diffraction type lens and optical pickup apparatus using the same
Patent number
6,545,821
Issue date
Apr 8, 2003
Fuji Photo Optical Co., Ltd.
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Grant
Objective lens for optical recording media and optical pickup appar...
Patent number
6,542,314
Issue date
Apr 1, 2003
Fuji Photo Optical Co., Ltd.
Masato Kawabata
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
IMAGING LENS
Publication number
20150212299
Publication date
Jul 30, 2015
FUJIFILM CORPORATION
Hiromitsu YAMAKAWA
G02 - OPTICS
Information
Patent Application
IMAGING LENS
Publication number
20150205074
Publication date
Jul 23, 2015
FUJIFILM CORPORATION
Taro ASAMI
G02 - OPTICS
Information
Patent Application
IMAGING LENS
Publication number
20150205075
Publication date
Jul 23, 2015
FUJIFILM CORPORATION
Taro ASAMI
G02 - OPTICS
Information
Patent Application
IMAGING LENS AND IMAGING APPARATUS
Publication number
20140204477
Publication date
Jul 24, 2014
FUJIFILM CORPORATION
Taro ASAMI
G02 - OPTICS
Information
Patent Application
IMAGING LENS AND IMAGING APPARATUS
Publication number
20140204478
Publication date
Jul 24, 2014
FUJIFILM CORPORATION
Taro ASAMI
G02 - OPTICS
Information
Patent Application
IMAGING LENS AND IMAGING APPARATUS
Publication number
20140204479
Publication date
Jul 24, 2014
FUJIFILM CORPORATION
Taro ASAMI
G02 - OPTICS
Information
Patent Application
IMAGING LENS AND IMAGING APPARATUS
Publication number
20140104702
Publication date
Apr 17, 2014
FUJIFILM CORPORATION
Hiromitsu YAMAKAWA
G02 - OPTICS
Information
Patent Application
MOLDED LENS
Publication number
20110080646
Publication date
Apr 7, 2011
Toshiaki KATSUMA
G02 - OPTICS
Information
Patent Application
MOLDED LENS
Publication number
20090296227
Publication date
Dec 3, 2009
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL PICKUP DEVICE, AND OPTICAL RECORDING/REPROD...
Publication number
20090285078
Publication date
Nov 19, 2009
Toshiaki KATSUMA
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL PICKUP DEVICE, AND OPTICAL RECORDING/REPROD...
Publication number
20090285079
Publication date
Nov 19, 2009
Toshiaki KATSUMA
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL PICKUP DEVICE HAVING THE SAME, AND RECORDIN...
Publication number
20090129242
Publication date
May 21, 2009
Toshiaki KATSUMA
G11 - INFORMATION STORAGE
Information
Patent Application
OBJECTIVE LENS, OPTICAL PICKUP DEVICE HAVING THE SAME, AND RECORDIN...
Publication number
20090129241
Publication date
May 21, 2009
Toshiaki KATSUMA
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL PICKUP DEVICE HAVING THE SAME, AND RECORDIN...
Publication number
20090129243
Publication date
May 21, 2009
Toshiaki KATSUMA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL ELEMENT MOLDING METHOD AND OPTICAL ELEMENT
Publication number
20090052056
Publication date
Feb 26, 2009
Toshiaki KATSUMA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Molded lens
Publication number
20080019012
Publication date
Jan 24, 2008
FUJINON CORPORATION
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20070025204
Publication date
Feb 1, 2007
FUJINON CORPORATION
Masao Mori
G02 - OPTICS
Information
Patent Application
Coupling optical system for optical communications
Publication number
20060262427
Publication date
Nov 23, 2006
Masao Mori
G02 - OPTICS
Information
Patent Application
Lens with reference mounting surface
Publication number
20060256454
Publication date
Nov 16, 2006
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20060109773
Publication date
May 25, 2006
FUJINON CORPORATION
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20060098555
Publication date
May 11, 2006
FUJINON CORPORATION
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system for optical recording media, optical picku...
Publication number
20060077861
Publication date
Apr 13, 2006
FUJINON CORPORATION
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20060077794
Publication date
Apr 13, 2006
FUJINON CORPORATION
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20060077795
Publication date
Apr 13, 2006
FUJINON CORPORATION
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system and optical pickup device using it
Publication number
20050259554
Publication date
Nov 24, 2005
FUJINON CORPORATION
Toshiaki Katsuma
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system for optical recording media and optical pi...
Publication number
20050141392
Publication date
Jun 30, 2005
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system and optical pickup device using it
Publication number
20050117496
Publication date
Jun 2, 2005
Tetsuya Ori
G11 - INFORMATION STORAGE
Information
Patent Application
Anamorphic aspherical beam focusing lens
Publication number
20050111338
Publication date
May 26, 2005
Toshiaki Katsuma
G02 - OPTICS
Information
Patent Application
Objective lens and optical pickup device using it
Publication number
20050105448
Publication date
May 19, 2005
Yu Kitahara
G11 - INFORMATION STORAGE
Information
Patent Application
Objective optical system and optical pickup device using it
Publication number
20050063283
Publication date
Mar 24, 2005
Tetsuya Ori
G11 - INFORMATION STORAGE