Inventor
HOSHIZAWA TAKU
JP37 patents
⚠️ This page may combine multiple inventors who share the name “HOSHIZAWA TAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
28 patentsUS7305606B2Dec 4, 2007
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD13 citations92
US7421626B2Sep 2, 2008
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD7 citations74
US5920579AJul 6, 1999
Digital signal reproduction apparatus
HITACHI LTD16 citations72
US6014766AJan 11, 2000
Digital signal reproduction apparatus
HITACHI LTD14 citations71
US7979753B2Jul 12, 2011
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD1 citations63
US7216286B2May 8, 2007
Data reproducing method and data reproducing apparatus
HITACHI LTD4 citations63
US6918079B2Jul 12, 2005
Recording method, reproducing method, recording apparatus, and reproducing apparatus
HITACHI LTD2 citations63
US7719939B2May 18, 2010
Optical disk drive and method for allocating spare area on optical disk medium
HITACHI LTD3 citations62
US7593299B2Sep 22, 2009
Optical disk recording/reproducing apparatus and optical disk recording/reproducing method
HITACHI LTD4 citations62
US11544030B2Jan 3, 2023
Remote work-support system
HITACHI LTD0 citations61
US11169764B2Nov 9, 2021
Remote work-support system
HITACHI LTD0 citations61
US7571361B2Aug 4, 2009
Recording method and optical disk recording device
HITACHI LTD2 citations61
US8356235B2Jan 15, 2013
Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium
HITACHI LTD0 citations52
US7984340B2Jul 19, 2011
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7984339B2Jul 19, 2011
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7747910B2Jun 29, 2010
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7657817B2Feb 2, 2010
Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium
HITACHI LTD0 citations52
US7647542B2Jan 12, 2010
Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium
HITACHI LTD0 citations52
US7620874B2Nov 17, 2009
Recording method for recording data on a recording medium
HITACHI LTD0 citations52
US7594155B2Sep 22, 2009
Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium
HITACHI LTD0 citations52
US7590915B2Sep 15, 2009
Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium
HITACHI LTD0 citations52
US7441163B2Oct 21, 2008
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7421627B2Sep 2, 2008
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7406636B2Jul 29, 2008
Method of recording/reproducing digital data and apparatus for same
HITACHI LTD0 citations52
US7310290B2Dec 18, 2007
Tracking learning/adjusting method and optical disk device
HITACHI LTD1 citations52
US7281194B2Oct 9, 2007
Recording method for recording data on a recording medium
HITACHI LTD0 citations52
US7782729B2Aug 24, 2010
Digital data recording method and data recording/reproducing apparatus
HITACHI LTD0 citations51
US7747906B2Jun 29, 2010
Recording and reproducing apparatus and digital data recording method
HITACHI LTD0 citations42
HITACHI CONSUMER ELECTRONICS
3 patentsUS9330704B2May 3, 2016
Optical information recording device, optical information recording and reproducing device, optical information recording method, optical information recording and reproducing method, and optical element
HITACHI CONSUMER ELECTRONICS13 citations84
US9761263B2Sep 12, 2017
Optical information recording and reproducing device, optical information recording and reproducing method
HITACHI CONSUMER ELECTRONICS0 citations51
US9013972B2Apr 21, 2015
Optical information recording and reproducing method and device
HITACHI CONSUMER ELECTRONICS0 citations42
HOSHIZAWA TAKU
3 patentsUS8976639B2Mar 10, 2015
Disk-shaped recording medium and recording/reproducing device for disk-shaped recording medium
HOSHIZAWA TAKU1 citations50
US8407533B2Mar 26, 2013
Method of recording/reproducing digital data and apparatus for same
HOSHIZAWA TAKU0 citations50
US8174942B2May 8, 2012
Data recording method capable of replacing defective data on different location in spare areas
HOSHIZAWA TAKU0 citations50