Hitoshi Furuhata

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device and optical recording medium information repr...
- Patent number 7,965,609
- Issue date Jun 21, 2011
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 7,149,174
- Issue date Dec 12, 2006
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 6,845,078
- Issue date Jan 18, 2005
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus an optical axis correcting element
- Patent number 6,813,235
- Issue date Nov 2, 2004
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 6,643,246
- Issue date Nov 4, 2003
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 5,805,557
- Issue date Sep 8, 1998
- Pioneer Electronic Corporation
- Hitoshi Furuhata
- G02 - OPTICS
Information Patent Grant
Optical pickup for an optical disc
- Patent number 5,473,586
- Issue date Dec 5, 1995
- Pioneer Electronic Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL RECORDING MEDIUM INFORMATION REPR...
- Publication number 20090285077
- Publication date Nov 19, 2009
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus
- Publication number 20040070848
- Publication date Apr 15, 2004
- PIONEER CORPORATION
- Hitoshi Furuhata
- G02 - OPTICS
Information Patent Application
Optical pickup
- Publication number 20030099179
- Publication date May 29, 2003
- PIONEER CORPORATION
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus
- Publication number 20020131348
- Publication date Sep 19, 2002
- PIONEER CORPORATION
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus and laser diode chip
- Publication number 20020097659
- Publication date Jul 25, 2002
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus
- Publication number 20020027844
- Publication date Mar 7, 2002
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE