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Shinichi Naohara
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Tokorozawa, JP
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last 30 patents
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Patent Grant
Disc player with objective lens arranged in a zigzag pattern
Patent number
6,262,964
Issue date
Jul 17, 2001
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Focusing control apparatus for optimally directing light onto a rec...
Patent number
6,256,273
Issue date
Jul 3, 2001
Pioneer Electronic Corporation
Norio Matsuda
G11 - INFORMATION STORAGE
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
G11 - INFORMATION STORAGE
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
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player with alternating ascending/descending guide devices
Patent number
5,953,308
Issue date
Sep 14, 1999
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo control apparatus for controlling position of device
Patent number
5,896,353
Issue date
Apr 20, 1999
Pioneer Electronic Corporation
Shinichi Naohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player with parallel objective lenses
Patent number
5,848,049
Issue date
Dec 8, 1998
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player
Patent number
5,677,904
Issue date
Oct 14, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Pulling-in circuit for PLL circuit, pulling-in method for PLL circu...
Patent number
5,671,201
Issue date
Sep 23, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for reproducing information recorded on CLV di...
Patent number
5,646,921
Issue date
Jul 8, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE
Information
Patent Grant
Pulling-in circuit for PLL circuit, pulling-in method for PLL circu...
Patent number
5,619,484
Issue date
Apr 8, 1997
Pioneer Electronic Corporation
Hiroshi Yokota
G11 - INFORMATION STORAGE