Toshihiko Hiroshima

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Ora-Gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tilt control method and apparatus for optical disc recording and pl...
- Patent number 7,626,906
- Issue date Dec 1, 2009
- Sanyo Electric Co., LTD
- Tsuyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt control method and apparatus for optical disc recording and pl...
- Patent number 7,577,069
- Issue date Aug 18, 2009
- Sanyo Electric Co., LTD
- Tsuyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording/reproducing method and apparatus in which re...
- Patent number 7,184,379
- Issue date Feb 27, 2007
- Sanyo Electric Co., LTD
- Akira Tsukihashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser output circuit for optical disk recording apparatus
- Patent number 7,120,099
- Issue date Oct 10, 2006
- Sanyo Electric Co., LTD
- Yutaka Imamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording and playback apparatus
- Patent number 7,072,263
- Issue date Jul 4, 2006
- Sanyo Electric Co., LTD
- Yasushi Hanamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk storage device
- Patent number 6,356,520
- Issue date Mar 12, 2002
- Sanyo Electric Co., LTD
- Yasushi Hanamoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Tilt control method and apparatus for optical disc recording and pl...
- Publication number 20040120232
- Publication date Jun 24, 2004
- SANYO ELECTRIC CO., LTD.
- Tsuyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Tilt control method and apparatus for optical disc recording and pl...
- Publication number 20040114479
- Publication date Jun 17, 2004
- SANYO ELECTRIC CO., LTD.
- Tsuyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc recording and playback apparatus
- Publication number 20030151990
- Publication date Aug 14, 2003
- SANYO ELECTRIC CO., LTD.
- Yasushi Hanamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk recording/reproducing apparatus
- Publication number 20020150011
- Publication date Oct 17, 2002
- SANYO ELECTRIC CO., LTD.
- Akira Tsukihashi
- G11 - INFORMATION STORAGE
Information Patent Application
Laser output circuit for optical disk recording apparatus
- Publication number 20020057635
- Publication date May 16, 2002
- SANYO ELECTRIC CO., LTD.
- Yutaka Imamura
- G11 - INFORMATION STORAGE