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Koji IEKI
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical pickup device, optical pickup unit and data streamer apparatus
Patent number
8,687,475
Issue date
Apr 1, 2014
Panasonic Corporation
Koji Ieki
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens driving device, optical pickup device, and optical d...
Patent number
7,729,212
Issue date
Jun 1, 2010
Panasonic Corporation
Osamu Kajino
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens drive having a variable stiffness fixing member
Patent number
7,433,278
Issue date
Oct 7, 2008
Matsushita Electric Industrial Co., Ltd.
Koji Ieki
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens driving device and optical disk apparatus
Patent number
7,193,937
Issue date
Mar 20, 2007
Matsushita Electric Industrial Co., Ltd.
Yoshihiro Ikawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LENS HOLDER, OBJECT LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND...
Publication number
20190187405
Publication date
Jun 20, 2019
Panasonic Intellectual Property Management Co., Ltd.
Takeshi OHTA
G02 - OPTICS
Information
Patent Application
LENS HOLDER, OBJECT LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND...
Publication number
20180224626
Publication date
Aug 9, 2018
Panasonic Intellectual Property Management Co., Ltd.
Takeshi OHTA
G02 - OPTICS
Information
Patent Application
OPTICAL PICKUP DEVICE, OPTICAL PICKUP UNIT AND DATA STREAMER APPARATUS
Publication number
20130051202
Publication date
Feb 28, 2013
PANASONIC CORPORATION
Koji IEKI
G11 - INFORMATION STORAGE
Information
Patent Application
OBJECTIVE LENS DRIVE DEVICE
Publication number
20100157779
Publication date
Jun 24, 2010
MATSUSHITA ELECTRICINDUSTRIAL CO., LTD.
Koji Ieki
G11 - INFORMATION STORAGE
Information
Patent Application
OBJECTIVE LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND OPTICAL D...
Publication number
20080084811
Publication date
Apr 10, 2008
Matsushita Electric Industrial Co., Ltd.
Osamu KAJINO
G11 - INFORMATION STORAGE
Information
Patent Application
Objective lens driving drive
Publication number
20060156324
Publication date
Jul 13, 2006
Koji Ieki
G11 - INFORMATION STORAGE
Information
Patent Application
Objective lens driving device and optical disk apparatus
Publication number
20040066714
Publication date
Apr 8, 2004
Matsushita Electric Industrial Co., Ltd.
Yoshihiro Ikawa
G11 - INFORMATION STORAGE