Yoichi Tsuchiya

Person

Gifu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup apparatus and optical disc apparatus
- Patent number 8,121,013
- Issue date Feb 21, 2012
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser apparatus, method of manufacturing semiconducto...
- Patent number 8,098,704
- Issue date Jan 17, 2012
- Sanyo Electric Co., LTD
- Masayuki Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical pickup device
- Patent number 7,609,606
- Issue date Oct 27, 2009
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser apparatus, method of manufacturing semiconducto...
- Patent number 7,486,712
- Issue date Feb 3, 2009
- Sanyo Electric Co., LTD
- Masayuki Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser apparatus and optical pickup apparatus
- Patent number 7,376,166
- Issue date May 20, 2008
- Sanyo Electric Co., LTD
- Masayuki Hata
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam irradiation device
- Patent number 7,351,944
- Issue date Apr 1, 2008
- Sanyo Electric Co., LTD
- Masato Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Optical pickup device and recording and/or reproducing device
- Patent number 7,209,415
- Issue date Apr 24, 2007
- Sanyo Electric Co., LTD
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Grant
MAGNETO-OPTICAL DISK APPARATUS CAPABLE OF ACCURATE REPRODUCTION OF...
- Patent number 6,693,856
- Issue date Feb 17, 2004
- Sanyo Electric Co., Ltd.
- Masaaki Shidochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 6,618,424
- Issue date Sep 9, 2003
- Sanyo Electric Co., LTD
- Masato Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup compatible with a plurality of types of optical disk...
- Patent number 6,574,182
- Issue date Jun 3, 2003
- Sanyo Electric Co., Ltd.
- Masato Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head for two different disk thicknesses with a light beam d...
- Patent number 6,552,990
- Issue date Apr 22, 2003
- Sanyo Electric Co., Ltd.
- Seiji Kajiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording/reproduction apparatus for recording/reprodu...
- Patent number 6,321,028
- Issue date Nov 20, 2001
- Sanyo Electric Co., LTD
- Seiji Kajiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and optical pickup device
- Patent number 6,262,966
- Issue date Jul 17, 2001
- Sanyo Electric Co., LTD
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording media of different t...
- Patent number 6,201,777
- Issue date Mar 13, 2001
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device and wavelength selective diffraction grating
- Patent number 6,181,668
- Issue date Jan 30, 2001
- Sanyo Electric Co., LTD
- Seiji Kajiyama
- G02 - OPTICS
Information Patent Grant
Optical Disc cd recording/reproducing apparatus recording/reproduci...
- Patent number 6,167,019
- Issue date Dec 26, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up device
- Patent number 6,160,783
- Issue date Dec 12, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording/reproducing apparatus recording/reproducing...
- Patent number 6,137,764
- Issue date Oct 24, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording/reproducing apparatus recording/reproducing...
- Patent number 6,122,242
- Issue date Sep 19, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording/reproducing apparatus recording/reproducing...
- Patent number 6,049,518
- Issue date Apr 11, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Superresolution optical pickup apparatus
- Patent number 6,025,866
- Issue date Feb 15, 2000
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
High density optical disc player
- Patent number 6,009,072
- Issue date Dec 28, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording media of different t...
- Patent number 5,917,791
- Issue date Jun 29, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,896,367
- Issue date Apr 20, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device which can be adapted to plurality of types of...
- Patent number 5,870,371
- Issue date Feb 9, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc readout apparatus for different types of optical discs
- Patent number 5,856,965
- Issue date Jan 5, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,838,657
- Issue date Nov 17, 1998
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device having a controllable polarizing f...
- Patent number 5,796,683
- Issue date Aug 18, 1998
- Sanyo Electric Co., Ltd.
- Satoshi Sumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording reproducing apparatus recording/reproducing...
- Patent number 5,787,061
- Issue date Jul 28, 1998
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk readout apparatus
- Patent number 5,777,970
- Issue date Jul 7, 1998
- Sanyo Electric Co., Ltd.
- Seiji Kajiyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP APPARATUS AND OPTICAL DISC APPARATUS
- Publication number 20100080106
- Publication date Apr 1, 2010
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LASER APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTO...
- Publication number 20090116529
- Publication date May 7, 2009
- Sanyo Electric Co., Ltd.
- Masayuki HATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20070286052
- Publication date Dec 13, 2007
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser apparatus and optical pickup apparatus
- Publication number 20060251138
- Publication date Nov 9, 2006
- Masayuki Hata
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser apparatus, method of manufacturing semiconducto...
- Publication number 20060227838
- Publication date Oct 12, 2006
- Masayuki Hata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical pickup device
- Publication number 20060140078
- Publication date Jun 29, 2006
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
Illuminating device and projection type image display unit
- Publication number 20060132725
- Publication date Jun 22, 2006
- Fusao Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Beam irradiation device
- Publication number 20060113462
- Publication date Jun 1, 2006
- SANYO ELECTRIC CO., LTD.
- Masato Yamada
- G01 - MEASURING TESTING
Information Patent Application
Optical pickup device and recording and/or reproducing device
- Publication number 20040081058
- Publication date Apr 29, 2004
- SANYO ELECTRIC CO., LTD.
- Kenji Nagatomi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup device capable of emitting small-diameter laser beam...
- Publication number 20020141319
- Publication date Oct 3, 2002
- SANYO ELECTRIC CO. LTD.
- Yoshiyuki Matsumura
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical disk apparatus capable of accurate reproduction of...
- Publication number 20020034128
- Publication date Mar 21, 2002
- SANYO ELECTRIC CO., LTD.
- Masaaki Shidochi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK RECORDING/REPRODUCTION APPARATUS FOR RECORDING/REPRODU...
- Publication number 20010048809
- Publication date Dec 6, 2001
- SEIJI KAJIYAMA
- G11 - INFORMATION STORAGE

Yoichi Tsuchiya

Person

Patents Grantslast 30 patents

Optical pickup apparatus and optical disc apparatus

Semiconductor laser apparatus, method of manufacturing semiconducto...

Optical pickup device

Semiconductor laser apparatus, method of manufacturing semiconducto...

Semiconductor laser apparatus and optical pickup apparatus

Beam irradiation device

Optical pickup device and recording and/or reproducing device

MAGNETO-OPTICAL DISK APPARATUS CAPABLE OF ACCURATE REPRODUCTION OF...

Optical pickup device

Optical pickup compatible with a plurality of types of optical disk...

Optical head for two different disk thicknesses with a light beam d...

Optical disk recording/reproduction apparatus for recording/reprodu...

Recording medium and optical pickup device

Apparatus for discriminating optical recording media of different t...

Optical pickup device and wavelength selective diffraction grating

Optical Disc cd recording/reproducing apparatus recording/reproduci...

Optical pick-up device

Optical disc recording/reproducing apparatus recording/reproducing...

Optical disc recording/reproducing apparatus recording/reproducing...

Optical disc recording/reproducing apparatus recording/reproducing...

Superresolution optical pickup apparatus

High density optical disc player

Apparatus for discriminating optical recording media of different t...

High density optical disc and optical disc player

Optical pickup device which can be adapted to plurality of types of...

Optical disc readout apparatus for different types of optical discs

High density optical disc and optical disc player

Magneto-optical recording device having a controllable polarizing f...

Optical disc recording reproducing apparatus recording/reproducing...

Optical disk readout apparatus

Patents Applicationslast 30 patents

OPTICAL PICKUP APPARATUS AND OPTICAL DISC APPARATUS

SEMICONDUCTOR LASER APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTO...

OPTICAL PICKUP DEVICE

Semiconductor laser apparatus and optical pickup apparatus

Semiconductor laser apparatus, method of manufacturing semiconducto...

Optical pickup device

Illuminating device and projection type image display unit

Beam irradiation device

Optical pickup device and recording and/or reproducing device

Optical pickup device capable of emitting small-diameter laser beam...

Magneto-optical disk apparatus capable of accurate reproduction of...

OPTICAL DISK RECORDING/REPRODUCTION APPARATUS FOR RECORDING/REPRODU...