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Alex Bradshaw
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Kawagoe, JP
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last 30 patents
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Patent Grant
Focus servo controller with collision avoidance and method therefor
Patent number
6,985,412
Issue date
Jan 10, 2006
Pioneer Corporation
Alex Bradshaw
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Information
Patent Grant
Tilt servo apparatus and control method thereof
Patent number
6,690,632
Issue date
Feb 10, 2004
Pioneer Corporation
Takeshi Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Tilt servo apparatus for optical disc recording/playing apparatus
Patent number
6,587,409
Issue date
Jul 1, 2003
Pioneer Corporation
Hitoshi Yamazaki
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Information
Patent Grant
Focusing bias adjusting apparatus and method in optical recording m...
Patent number
6,295,256
Issue date
Sep 25, 2001
Pioneer Corporation
Yuichi Kimikawa
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Information
Patent Grant
Focus control apparatus for multilayer optical recording medium
Patent number
6,246,646
Issue date
Jun 12, 2001
Pioneer Electronic Corporation
Hiroyuki Abe
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Information
Patent Grant
Focus jump control apparatus of a player for multilayer recording disc
Patent number
6,151,280
Issue date
Nov 21, 2000
Pioneer Electronic Corporation
Shinichi Naohara
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Information
Patent Grant
Carriage controller for multi-layer disc
Patent number
6,134,196
Issue date
Oct 17, 2000
Pioneer Electronic Corporation
Takeshi Sato
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Information
Patent Grant
Apparatus and method for focus control of read light irradiated on...
Patent number
6,101,157
Issue date
Aug 8, 2000
Pioneer Electronic Corporation
Alex Bradshaw
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Information
Patent Grant
Waveform controlling device for a tracking error signal
Patent number
5,926,445
Issue date
Jul 20, 1999
Pioneer Electronic Corporation
Takashi Sasaki
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Information
Patent Grant
Apparatus for controlling bias amount of focus error signal
Patent number
5,751,674
Issue date
May 12, 1998
Pioneer Electronic Corporation
Alex Bradshaw
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Information
Patent Grant
Device and method for automatically controlling a servo loop gain
Patent number
5,600,615
Issue date
Feb 4, 1997
Pioneer Electronic Corporation
Kazuhiro Kiyoura
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Information
Patent Grant
Method and apparatus for executing a CD playback setup operation in...
Patent number
5,515,351
Issue date
May 7, 1996
Pioneer Electronic Corporation
Yoshiya Nonaka
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Information
Patent Grant
Method and apparatus for reproducing information from a partially r...
Patent number
5,508,988
Issue date
Apr 16, 1996
Pioneer Electronic Corporation
Yoshiya Nonaka
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Information
Patent Grant
CD player capable of playing back partially recorded CD
Patent number
5,471,441
Issue date
Nov 28, 1995
Pioneer Electronic Corporation
Yoshiya Nonaka
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Information
Patent Grant
CD playing apparatus
Patent number
5,430,698
Issue date
Jul 4, 1995
Pioneer Electronic Corporation
Yoshiya Nonaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for discriminating type of disks positioned on...
Patent number
5,414,684
Issue date
May 9, 1995
Pioneer Electronic Corporation
Yoshiya Nonaka
G11 - INFORMATION STORAGE