Inventor
TSUNODA MOTOYASU
JP44 patents
⚠️ This page may combine multiple inventors who share the name “TSUNODA MOTOYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS7062618B2Jun 13, 2006
Transferring data between volatile and non-volatile memories based on system parameters using a controller
HITACHI LTD72 citations98
US5715105AFeb 3, 1998
Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area
HITACHI LTD43 citations96
US7415729B2Aug 19, 2008
Storage device
HITACHI LTD28 citations92
US6915427B2Jul 5, 2005
Hub apparatus with copyright protection function
HITACHI LTD30 citations92
US6317281B1Nov 13, 2001
Disk storage device having identification information for protecting stored data
HITACHI LTD42 citations92
US6108158AAug 22, 2000
Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
HITACHI LTD33 citations92
US7596703B2Sep 29, 2009
Hidden data backup and retrieval for a secure device
HITACHI LTD16 citations84
US6445522B1Sep 3, 2002
Disk device and method of generating signal representing head
HITACHI LTD13 citations82
US6400523B1Jun 4, 2002
Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
HITACHI LTD10 citations74
US6236528B1May 22, 2001
Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
HITACHI LTD8 citations74
US6172828B1Jan 9, 2001
Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data
HITACHI LTD9 citations74
US5638386AJun 10, 1997
Recording apparatus
HITACHI LTD12 citations73
US7139143B2Nov 21, 2006
Disk device and method of generating signal representing head
HITACHI LTD10 citations72
US6311236B1Oct 30, 2001
Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit
HITACHI LTD7 citations72
US6125427ASep 26, 2000
Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit
HITACHI LTD9 citations72
US5737632AApr 7, 1998
Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder/decoder circuit
HITACHI LTD7 citations72
US6744703B2Jun 1, 2004
Continuous recording apparatus by interpolating the audio signal during seeking operation
HITACHI LTD4 citations63
US6687072B2Feb 3, 2004
Disk apparatus and information processing system discriminative plural external electronic appliances
HITACHI LTD6 citations63
US6563656B2May 13, 2003
Disk device and method of generating signal representing head
HITACHI LTD2 citations63
US6282688B1Aug 28, 2001
Recording apparatus
HITACHI LTD3 citations62
US6578136B2Jun 10, 2003
Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit
HITACHI LTD0 citations50
US6862153B2Mar 1, 2005
Apparatus for latching a magnetic disk
HITACHI LTD0 citations49
RENESAS TECH CORP
13 patentsUS7162645B2Jan 9, 2007
Storage device including a non-volatile memory
RENESAS TECH CORP89 citations98
US7281101B2Oct 9, 2007
Memory device storing data relating to specific application programs
RENESAS TECH CORP57 citations96
US6788575B2Sep 7, 2004
Nonvolatile memory
RENESAS TECH CORP44 citations96
US7366034B2Apr 29, 2008
Nonvolatile memory
RENESAS TECH CORP14 citations92
US7185145B2Feb 27, 2007
Memory card
RENESAS TECH CORP28 citations92
US7012845B2Mar 14, 2006
Nonvolatile memory with control circuit adapted to distinguish between command signal interface specifications and having an error correction function
RENESAS TECH CORP16 citations92
US6868032B2Mar 15, 2005
Nonvolatile memory
RENESAS TECH CORP12 citations92
US7650503B2Jan 19, 2010
Memory card
RENESAS TECH CORP8 citations84
US7303136B2Dec 4, 2007
Storage device
RENESAS TECH CORP14 citations84
US7694067B2Apr 6, 2010
Memory card
RENESAS TECH CORP7 citations74
US7525852B2Apr 28, 2009
Nonvolatile memory
RENESAS TECH CORP4 citations74
US7350023B2Mar 25, 2008
Memory card
RENESAS TECH CORP6 citations74
US7230859B2Jun 12, 2007
Nonvolatile memory
RENESAS TECH CORP6 citations74
HITACHI GLOBAL STORAGE TECH
4 patentsUS7411757B2Aug 12, 2008
Disk drive with nonvolatile memory having multiple modes of operation
HITACHI GLOBAL STORAGE TECH73 citations97
US7406562B2Jul 29, 2008
Information read/write device
HITACHI GLOBAL STORAGE TECH2 citations63
US7430085B2Sep 30, 2008
Disk device and method of generating signal representing head
HITACHI GLOBAL STORAGE TECH2 citations60
US7116508B2Oct 3, 2006
Apparatus for locking a moveable part of a magnetic disk apparatus
HITACHI GLOBAL STORAGE TECH0 citations49