Inventor
FURUKAWA TERUO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA TERUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
36 patentsUS5592452AJan 7, 1997
Optical disk with logical tracks formed thereon and optical disk drive device
MITSUBISHI ELECTRIC CORP109 citations97
US6529451B2Mar 4, 2003
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP25 citations96
US6229784B1May 8, 2001
Optical disk having an attribute which designates whether a recording area permits rewriting or not
MITSUBISHI ELECTRIC CORP24 citations96
US5717683AFeb 10, 1998
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP65 citations96
US5825728AOct 20, 1998
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP17 citations92
US5442608AAug 15, 1995
Disk apparatus having a power consumption reducing mechanism
MITSUBISHI ELECTRIC CORP54 citations92
US5321675AJun 14, 1994
Pit spacing in the servo field of an optical disk for speed and direction detection and data retrieval
MITSUBISHI ELECTRIC CORP32 citations92
US5070492ADec 3, 1991
Signal decoding apparatus and method
MITSUBISHI ELECTRIC CORP32 citations92
US5063546ANov 5, 1991
Optic disc with servo pattern and apparatus for accessing the optical disc
MITSUBISHI ELECTRIC CORP30 citations92
US5007038AApr 9, 1991
Method and apparatus for producing an accurate error signal in an optical recording medium driver
MITSUBISHI ELECTRIC CORP23 citations92
US6775220B2Aug 10, 2004
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP8 citations82
US6434099B1Aug 13, 2002
Optical disk having an attribute which designates whether a recording area permits rewriting or not
MITSUBISHI ELECTRIC CORP9 citations82
US6151292ANov 21, 2000
Optical disk having sequentially numbered sectors and logical tracks formed by a series of 2n sectors, and disk drive apparatus for using such an optical disk
MITSUBISHI ELECTRIC CORP12 citations82
US5953309ASep 14, 1999
Optical disk having logical tracks and dummy sectors in each zone, and optical disk drive device for such an optical disk
MITSUBISHI ELECTRIC CORP13 citations82
US5128916AJul 7, 1992
Optical disc with alternating servo patterns and driving apparatus therefor
MITSUBISHI ELECTRIC CORP16 citations82
US7254104B2Aug 7, 2007
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP7 citations74
US6853611B2Feb 8, 2005
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP8 citations74
US6834033B2Dec 21, 2004
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP7 citations74
US6526019B2Feb 25, 2003
Optical disk having a recording area on each side and attribute data designating each recording area as rewriteable or not rewriteable
MITSUBISHI ELECTRIC CORP5 citations74
US5265077ANov 23, 1993
Optical disk storage having reduced power consumption during seeking operations
MITSUBISHI ELECTRIC CORP6 citations74
US5117412AMay 26, 1992
Optical disc with servo pattern providing enhanced reliability of servo clock detection and apparatus for accessing the optical disc
MITSUBISHI ELECTRIC CORP10 citations74
US4672362AJun 9, 1987
Binary data encoding and decoding process
MITSUBISHI ELECTRIC CORP15 citations74
US4502036AFeb 26, 1985
Encoding and decoding systems for binary data
MITSUBISHI ELECTRIC CORP9 citations74
US4496934AJan 29, 1985
Encoding and decoding systems for binary data
MITSUBISHI ELECTRIC CORP12 citations74
US5247509ASep 21, 1993
Disk storage which automatically adjusts to optimum recording/reproducing level
MITSUBISHI ELECTRIC CORP12 citations73
US5272684ADec 21, 1993
Information recording method and information recording apparatus for magneto-optic recording information medium
MITSUBISHI ELECTRIC CORP7 citations72
US4562491ADec 31, 1985
Multichannel digital magnetic recording apparatus
MITSUBISHI ELECTRIC CORP9 citations71
US7207051B2Apr 17, 2007
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP2 citations63
US7164641B2Jan 16, 2007
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP2 citations63
US6930965B2Aug 16, 2005
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP1 citations63
US5003525AMar 26, 1991
Apparatus for reading a magneto-optical disk
MITSUBISHI ELECTRIC CORP5 citations63
US7924693B2Apr 12, 2011
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP0 citations52
US6633525B2Oct 14, 2003
Optical disk having an attribute which designates whether a recording area permits rewriting or not
MITSUBISHI ELECTRIC CORP0 citations52
US5309415AMay 3, 1994
Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams
MITSUBISHI ELECTRIC CORP1 citations51
US7227815B2Jun 5, 2007
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP0 citations49
US7548497B2Jun 16, 2009
Optical disk and optical disk drive device
MITSUBISHI ELECTRIC CORP0 citations41