Sakashi Ohtaki

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Tsurugashima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup including aberration correction lens assembly
- Patent number 7,417,939
- Issue date Aug 26, 2008
- Pioneer Corporation
- Makoto Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup with an aberration correction lens assembly
- Patent number 7,054,252
- Issue date May 30, 2006
- Pioneer Corporation
- Makoto Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus error detecting apparatus of optical pickup with a light sepa...
- Patent number 6,801,491
- Issue date Oct 5, 2004
- Pioneer Corporation
- Masakazu Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 6,449,095
- Issue date Sep 10, 2002
- Pioneer Corporation
- Sakashi Ohtaki
- G02 - OPTICS
Information Patent Grant
Optical pickup information reproducing apparatus and information re...
- Patent number 6,373,807
- Issue date Apr 16, 2002
- Pioneer Corporation
- Sakashi Ohtaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 6,218,655
- Issue date Apr 17, 2001
- Pioneer Electronic Corporation
- Masakazu Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt servo apparatus for use in optical disc reproducing apparatus
- Patent number 5,859,818
- Issue date Jan 12, 1999
- Pioneer Electronic Corporation
- Kiyoshi Tateishi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup
- Publication number 20060140072
- Publication date Jun 29, 2006
- Pioneer Corporation
- Makoto Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup, and method and apparatus for correcting aberration...
- Publication number 20040085885
- Publication date May 6, 2004
- PIONEER CORPORATION
- Ikuya Kikuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Pickup device
- Publication number 20040017759
- Publication date Jan 29, 2004
- PIONEER CORPORATION
- Sakashi Ohtaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup
- Publication number 20030081530
- Publication date May 1, 2003
- Pioneer Corporation
- Makoto Sato
- G11 - INFORMATION STORAGE