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Masahiko Nakamura
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical pickup device and optical drive device
Patent number
10,049,695
Issue date
Aug 14, 2018
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Masatoshi Yajima
G02 - OPTICS
Information
Patent Grant
Music reproduction apparatus
Patent number
9,204,567
Issue date
Dec 1, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Masanori Ohnishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary element assembly structure with rotary element capable of ro...
Patent number
8,881,185
Issue date
Nov 4, 2014
Panasonic Corporation
Masanori Ohnishi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Disk changer having provision for visibility of stored disk
Patent number
7,246,363
Issue date
Jul 17, 2007
Matsushita Electric Industrial Co., Ltd.
Yukio Morioka
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi directional input apparatus
Patent number
7,077,750
Issue date
Jul 18, 2006
Hosiden Corporation
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Volume-integral type multi directional input apparatus
Patent number
7,071,918
Issue date
Jul 4, 2006
Hosiden Corporation
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Volume integral type multi-directional input apparatus
Patent number
6,670,945
Issue date
Dec 30, 2003
Hosiden Corporation
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Multi directional input apparatus
Patent number
6,509,535
Issue date
Jan 21, 2003
Hosiden Corporation
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Disc changer with switching gear and drive switching means
Patent number
6,404,725
Issue date
Jun 11, 2002
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc changer with gap maintaining means
Patent number
6,396,795
Issue date
May 28, 2002
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Multidirectional input device
Patent number
6,344,620
Issue date
Feb 5, 2002
Hosiden Corporation
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Joystick device
Patent number
6,307,486
Issue date
Oct 23, 2001
Nintendo Co., Ltd.
Genyo Takeda
G05 - CONTROLLING REGULATING
Information
Patent Grant
Disc changer with spindles and elevating means
Patent number
6,262,963
Issue date
Jul 17, 2001
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk changer comprising spindle drive means for a holding claw
Patent number
6,252,840
Issue date
Jun 26, 2001
Matsushita Electric Industrial Co., Ltd.
Seizo Miyoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk changer apparatus for multiple closely held disks
Patent number
6,212,139
Issue date
Apr 3, 2001
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc changer
Patent number
6,091,696
Issue date
Jul 18, 2000
Matsushita Electric Industrial Co., Ltd.
Seizo Miyoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Joystick device
Patent number
6,002,351
Issue date
Dec 14, 1999
Nintendo Co., Ltd.
Genyo Takeda
G05 - CONTROLLING REGULATING
Information
Patent Grant
Mobile television receiver
Patent number
5,986,720
Issue date
Nov 16, 1999
Matsushita Electric Industrial Co., Ltd.
Takaaki Kishigami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Disk changer apparatus having a disk receiving unit operatively int...
Patent number
5,978,323
Issue date
Nov 2, 1999
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk changer apparatus
Patent number
5,848,034
Issue date
Dec 8, 1998
Matsushita Electric Industrial Co., Ltd.
Yukio Morioka
G11 - INFORMATION STORAGE
Information
Patent Grant
Diversity receiving apparatus for a mobile unit
Patent number
5,844,632
Issue date
Dec 1, 1998
Matsushita Electric Industrial Co., Ltd.
Takaaki Kishigami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diversity receiving apparatus for a mobile unit
Patent number
5,777,693
Issue date
Jul 7, 1998
Matsushita Electric Industrial Co., Ltd.
Takaaki Kishigami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-color electrophotographic printer having multiple image formi...
Patent number
5,612,771
Issue date
Mar 18, 1997
Matsushita Electric Industrial Co., Ltd.
Hajime Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color electrophotographic apparatus and image forming units used th...
Patent number
5,610,701
Issue date
Mar 11, 1997
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color electrophotographic apparatus having an intermediate transfer...
Patent number
5,587,783
Issue date
Dec 24, 1996
Matsushita Electric Industrial Co., Ltd.
Masahiko Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-chamber electro-photographic developing unit for image formin...
Patent number
5,539,502
Issue date
Jul 23, 1996
Matsushita Electric Industrial Co., Ltd.
Toshiharu Koshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming method
Patent number
5,162,820
Issue date
Nov 10, 1992
Matsushita Electric Industrial Co., Ltd.
Hajime Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrophotographic image forming method
Patent number
5,023,632
Issue date
Jun 11, 1991
Matsushita Electric Industrial Co., Ltd.
Hajime Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for color electrophotography
Patent number
4,949,125
Issue date
Aug 14, 1990
Matsushita Electric Industrial Co., Ltd.
Hajime Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for color electrophotography
Patent number
4,927,724
Issue date
May 22, 1990
Matsushita Electric Industrial Co., Ltd.
Hajime Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DRIVE DEVICE
Publication number
20170301369
Publication date
Oct 19, 2017
Panasonic Intellectual Property Management Co., Ltd.
MASATOSHI YAJIMA
G02 - OPTICS
Information
Patent Application
ROTARY ELEMENT ASSEMBLY STRUCTURE
Publication number
20140007144
Publication date
Jan 2, 2014
PANASONIC CORPORATION
Masanori Ohnishi
G11 - INFORMATION STORAGE
Information
Patent Application
MUSIC REPRODUCTION APPARATUS
Publication number
20130314857
Publication date
Nov 28, 2013
PANASONIC CORPORATION
Masanori Ohnishi
G11 - INFORMATION STORAGE
Information
Patent Application
Disk changer
Publication number
20030161225
Publication date
Aug 28, 2003
Matsushita Elec. Ind. Co. Ltd.
Yukio Morioka
G11 - INFORMATION STORAGE
Information
Patent Application
Volume-integral type multi directional input apparatus
Publication number
20020186205
Publication date
Dec 12, 2002
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Application
Multi directional input apparatus
Publication number
20010020574
Publication date
Sep 13, 2001
Masahiko Nakamura
G05 - CONTROLLING REGULATING
Information
Patent Application
Disc changer
Publication number
20010008514
Publication date
Jul 19, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Masahiko Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Disc changer
Publication number
20010005355
Publication date
Jun 28, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Masahiko Nakamura
G11 - INFORMATION STORAGE