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Fumitomo Yamasaki
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Patents Grants
last 30 patents
Information
Patent Grant
Optical pickup
Patent number
10,283,157
Issue date
May 7, 2019
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Seiji Hoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording apparatus
Patent number
9,508,379
Issue date
Nov 29, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Kousei Sano
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc information device and information processing device
Patent number
9,484,054
Issue date
Nov 1, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Kanji Wakabayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information apparatus and information processing apparatus
Patent number
9,418,695
Issue date
Aug 16, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, objective lens, optical disc device, computer, optica...
Patent number
8,995,246
Issue date
Mar 31, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical head, optical disk device, and information...
Patent number
8,953,428
Issue date
Feb 10, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Detection lens, lens unit, optical pickup device, optical disc devi...
Patent number
8,848,501
Issue date
Sep 30, 2014
Panasonic Corporation
Toshiyasu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical head, optical disk device, and information...
Patent number
8,797,834
Issue date
Aug 5, 2014
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens element and optical pickup device
Patent number
8,767,518
Issue date
Jul 1, 2014
Panasonic Corporation
Katsuhiko Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical element
Patent number
8,755,259
Issue date
Jun 17, 2014
Panasonic Corporation
Kuzuhiro Minami
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical head and optical disk device
Patent number
8,681,593
Issue date
Mar 25, 2014
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens element and optical head device including the same
Patent number
8,681,592
Issue date
Mar 25, 2014
Panasonic Corporation
Kazuhiro Minami
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical system for optical pickup
Patent number
8,531,926
Issue date
Sep 10, 2013
Panasonic Corporation
Katsuhiko Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head and optical disc device
Patent number
8,493,824
Issue date
Jul 23, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, diffraction device, objective lens, and optical disc...
Patent number
8,483,023
Issue date
Jul 9, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, optical disc drive, computer, optical discplayer and...
Patent number
8,477,584
Issue date
Jul 2, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup and drive apparatus
Patent number
8,473,972
Issue date
Jun 25, 2013
Panasonic Corporation
Noriaki Terahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc device, optical head, and information processing device
Patent number
8,467,282
Issue date
Jun 18, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk driving apparatus, optical disk driving system, vehicl...
Patent number
8,456,971
Issue date
Jun 4, 2013
Panasonic Corporation
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Grant
Complex objective lens including saw-tooth diffractive element for...
Patent number
8,441,907
Issue date
May 14, 2013
Panasonic Corporation
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens, optical head, optical disk apparatus, and informati...
Patent number
8,432,782
Issue date
Apr 30, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium, information supply system, and optica...
Patent number
8,411,547
Issue date
Apr 2, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, optical disc device and information processing device
Patent number
8,391,120
Issue date
Mar 5, 2013
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc drive and optical information system
Patent number
8,385,169
Issue date
Feb 26, 2013
Panasonic Corporation
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head and optical disc device
Patent number
8,325,581
Issue date
Dec 4, 2012
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus, information copying system, method...
Patent number
8,306,393
Issue date
Nov 6, 2012
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Compound objective lens, optical head device, optical information d...
Patent number
8,305,864
Issue date
Nov 6, 2012
Panasonic Corporation
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, optical head manufacturing method and optical disc de...
Patent number
8,300,513
Issue date
Oct 30, 2012
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head, optical element with diffraction grating, optical dis...
Patent number
8,289,831
Issue date
Oct 16, 2012
Panasonic Corporation
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Complex objective lens including saw-tooth diffractive element for...
Patent number
8,254,239
Issue date
Aug 28, 2012
Panasonic Corporation
Yoshiaki Komma
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL PICKUP
Publication number
20180268856
Publication date
Sep 20, 2018
Panasonic Intellectual Property Management Co., Ltd.
Seiji HOSHI
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING APPARATUS
Publication number
20160284375
Publication date
Sep 29, 2016
Panasonic Intellectual Property Management Co., Ltd.
Kousei SANO
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL INFORMATION APPARATUS AND INFORMATION PROCESSING APPARATUS
Publication number
20160104505
Publication date
Apr 14, 2016
Panasonic Intellectual Property Management Co., Ltd.
Fumitomo YAMASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC INFORMATION DEVICE AND INFORMATION PROCESSING DEVICE
Publication number
20150380041
Publication date
Dec 31, 2015
Panasonic Intellectual Property Management Co., Ltd.
Kanji WAKABAYASHI
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD, OBJECTIVE LENS, OPTICAL DISC DEVICE, COMPUTER, OPTICA...
Publication number
20140269244
Publication date
Sep 18, 2014
Fumitomo Yamasaki
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL HEAD, OPTICAL DISK DEVICE, AND INFORMATION...
Publication number
20140254345
Publication date
Sep 11, 2014
Fumitomo Yamasaki
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS ELEMENT AND OPTICAL HEAD DEVICE INCLUDING THE SAME
Publication number
20140146653
Publication date
May 29, 2014
PANASONIC CORPORATION
Kazuhiro Minami
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT
Publication number
20140098656
Publication date
Apr 10, 2014
PANASONIC CORPORATION
Kazuhiro MINAMI
G02 - OPTICS
Information
Patent Application
DETECTION LENS, LENS UNIT, OPTICAL PICKUP DEVICE, OPTICAL DISC DEVI...
Publication number
20140078877
Publication date
Mar 20, 2014
PANASONIC CORPORATION
Toshiyasu TANAKA
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL HEAD, OPTICAL DISK DEVICE, AND INFORMATION...
Publication number
20130064057
Publication date
Mar 14, 2013
Fumitomo Yamasaki
G02 - OPTICS
Information
Patent Application
OPTICAL DISK DRIVING APPARATUS, OPTICAL DISK DRIVING SYSTEM, VEHICL...
Publication number
20130021884
Publication date
Jan 24, 2013
PANASONIC CORPORATION
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Application
OBJECTIVE LENS, OPTICAL HEAD AND OPTICAL DISK DEVICE
Publication number
20120320728
Publication date
Dec 20, 2012
PANASONIC CORPORATION
Fumitomo Yamasaki
G02 - OPTICS
Information
Patent Application
COMPOSITE OBJECTIVE LENS, DIFFRACTION ELEMENT, OPTICAL HEAD DEVICE,...
Publication number
20120314558
Publication date
Dec 13, 2012
PANASONIC CORPORATION
Yoshiaki KOMMA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL PICKUP AND DRIVE APPARATUS
Publication number
20120240136
Publication date
Sep 20, 2012
PANASONIC CORPORATION
Noriaki TERAHARA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD, OPTICAL DISC DEVICE, INFORMATION PROCESSING DEVICE, A...
Publication number
20120213052
Publication date
Aug 23, 2012
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Objective Lens Element and Optical Head Device Including the Same
Publication number
20120207008
Publication date
Aug 16, 2012
PANASONIC CORPORATION
Kazuhiro Minami
G02 - OPTICS
Information
Patent Application
OBJECTIVE LENS, OPTICAL HEAD, OPTICAL DISK APPARATUS, AND INFORMATI...
Publication number
20120182852
Publication date
Jul 19, 2012
Fumitomo Yamasaki
G02 - OPTICS
Information
Patent Application
Optical System for Optical Pickup
Publication number
20120163155
Publication date
Jun 28, 2012
PANASONIC CORPORATION
Katsuhiko Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD, OPTICAL ELEMENT WITH DIFFRACTION GRATING, OPTICAL DIS...
Publication number
20120134256
Publication date
May 31, 2012
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Objective Lens Element and Optical Pickup Device
Publication number
20120075978
Publication date
Mar 29, 2012
PANASONIC CORPORATION
Katsuhiko Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING MEDIUM, INFORMATION SUPPLY SYSTEM, AND OPTICA...
Publication number
20120075983
Publication date
Mar 29, 2012
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
COMPOUND OBJECTIVE LENS, OPTICAL HEAD DEVICE, OPTICAL INFORMATION D...
Publication number
20120023514
Publication date
Jan 26, 2012
PANASONIC CORPORATION
Yoshiaki KOMMA
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING MEDIUM, INFORMATION SUPPLY SYSTEM, AND OPTICA...
Publication number
20110305131
Publication date
Dec 15, 2011
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL PICKUP, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL DISK...
Publication number
20110267934
Publication date
Nov 3, 2011
PANASONIC CORPORATION
Toshiyasu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
COMPOSITE OBJECTIVE LENS, DIFFRACTION ELEMENT, OPTICAL HEAD DEVICE,...
Publication number
20110242950
Publication date
Oct 6, 2011
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD, DIFFRACTION DEVICE, OBJECTIVE LENS, AND OPTICAL DISC...
Publication number
20110235492
Publication date
Sep 29, 2011
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD DEVICE, OPTICAL INFORMATION DEVICE, COMPUTER, DISC PLA...
Publication number
20110170398
Publication date
Jul 14, 2011
PANASONIC CORPORATION
Yoshiaki Komma
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING MEDIUM, REPRODUCING DEVICE AND REPRODUCING ME...
Publication number
20110032805
Publication date
Feb 10, 2011
Masahito Nakao
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL HEAD, OPTICAL ELEMENT WITH DIFFRACTION GRATING, OPTICAL DIS...
Publication number
20100271925
Publication date
Oct 28, 2010
Fumitomo Yamasaki
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC DEVICE, OPTICAL HEAD, AND INFORMATION PROCESSING DEVICE
Publication number
20100246343
Publication date
Sep 30, 2010
Fumitomo Yamasaki
G11 - INFORMATION STORAGE