Inventor
KATAYAMA KUNIHIRO
JP110 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA KUNIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
35 patentsUS6421279B1Jul 16, 2002
Flash memory control method and apparatus processing system therewith
HITACHI LTD162 citations99
US6347051B2Feb 12, 2002
Storage device employing a flash memory
HITACHI LTD110 citations99
US6341085B1Jan 22, 2002
Storage device employing a flash memory
HITACHI LTD137 citations99
US6339546B1Jan 15, 2002
Storage device counting error correction
HITACHI LTD129 citations99
US6275436B1Aug 14, 2001
Flash memory control method and apparatus processing system therewith
HITACHI LTD171 citations99
US6272610B1Aug 7, 2001
File memory device using flash memories, and an information processing system using the same
HITACHI LTD119 citations99
US5809515ASep 15, 1998
Semiconductor storage device in which instructions are sequentially fed to a plurality of flash memories to continuously write and erase data
HITACHI LTD106 citations99
US5644539AJul 1, 1997
Storage device employing a flash memory
HITACHI LTD163 citations99
US5530828AJun 25, 1996
Semiconductor storage device including a controller for continuously writing data to and erasing data from a plurality of flash memories
HITACHI LTD341 citations99
US5530673AJun 25, 1996
Flash memory control method and information processing system therewith
HITACHI LTD315 citations99
US6078520AJun 20, 2000
Flash memory control method and information processing system therewith
HITACHI LTD140 citations98
US5973964AOct 26, 1999
Flash memory control method and information processing system therewith
HITACHI LTD83 citations97
US6567334B2May 20, 2003
Storage device employing a flash memory
HITACHI LTD42 citations96
US6549460B2Apr 15, 2003
Memory device and memory card
HITACHI LTD48 citations96
US6493273B2Dec 10, 2002
Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cells
HITACHI LTD26 citations96
US6480416B2Nov 12, 2002
Storage device counting error correction
HITACHI LTD39 citations96
US6388920B2May 14, 2002
Semiconductor memory device having faulty cells
HITACHI LTD42 citations96
US6351412B1Feb 26, 2002
Memory card
HITACHI LTD49 citations96
US6317371B2Nov 13, 2001
Storage device with an error correction unit and an improved arrangement for accessing and transferring blocks of data stored in a non-volatile semiconductor memory
HITACHI LTD52 citations96
US6130837AOct 10, 2000
Storage device employing a flash memory
HITACHI LTD70 citations96
US6031758AFeb 29, 2000
Semiconductor memory device having faulty cells
HITACHI LTD61 citations96
US5862083AJan 19, 1999
Information processing system
HITACHI LTD85 citations96
US5732208AMar 24, 1998
External storage device and memory access control method thereof
HITACHI LTD41 citations96
US5243269ASep 7, 1993
Battery power supply system
HITACHI LTD72 citations96
US6549974B2Apr 15, 2003
Semiconductor storage apparatus including a controller for sending first and second write commands to different nonvolatile memories in a parallel or time overlapped manner
HITACHI LTD21 citations93
US6359806B1Mar 19, 2002
Memory device
HITACHI LTD24 citations93
US6145050ANov 7, 2000
Semiconductor disk storage apparatus including a write buffer memory in which instructions are sequentially fed to a plurality of flash memories to continuously write sectors of data in an overlapped manner into the flash memories
HITACHI LTD29 citations93
US5978941ANov 2, 1999
Semiconductor memory device having deterioration determining function
HITACHI LTD22 citations93
US7415729B2Aug 19, 2008
Storage device
HITACHI LTD28 citations92
US6915427B2Jul 5, 2005
Hub apparatus with copyright protection function
HITACHI LTD30 citations92
US6608784B2Aug 19, 2003
Non-volatile semiconductor memory device
HITACHI LTD17 citations92
US6584015B2Jun 24, 2003
Storage device counting error correction
HITACHI LTD20 citations92
US6542405B2Apr 1, 2003
Semiconductor memory device having faulty cells
HITACHI LTD14 citations92
US6459644B2Oct 1, 2002
Semiconductor memory device with block alignment function
HITACHI LTD41 citations92
US6236601B1May 22, 2001
Semiconductor memory device having faulty cells
HITACHI LTD17 citations92
RENESAS TECH CORP
14 patentsUS6788609B2Sep 7, 2004
Storage device employing a flash memory
RENESAS TECH CORP87 citations99
US7558110B2Jul 7, 2009
IC module and cellular phone
RENESAS TECH CORP84 citations97
US7281101B2Oct 9, 2007
Memory device storing data relating to specific application programs
RENESAS TECH CORP57 citations96
US7006386B2Feb 28, 2006
Storage device employing a flash memory
RENESAS TECH CORP22 citations96
US7002851B2Feb 21, 2006
Storage device employing a flash memory
RENESAS TECH CORP22 citations96
US6925012B2Aug 2, 2005
Storage device employing a flash memory
RENESAS TECH CORP28 citations96
US6728826B2Apr 27, 2004
Semiconductor storage device in which commands are sequentially fed to a plurality of flash memories to continuously write data
RENESAS TECH CORP56 citations96
US7082510B2Jul 25, 2006
Storage device employing a flash memory
RENESAS TECH CORP16 citations93
US7064995B2Jun 20, 2006
Storage device employing a flash memory
RENESAS TECH CORP19 citations93
US7418602B2Aug 26, 2008
Memory card
RENESAS TECH CORP22 citations92
US7370168B2May 6, 2008
Memory card conforming to a multiple operation standards
RENESAS TECH CORP25 citations92
US7185145B2Feb 27, 2007
Memory card
RENESAS TECH CORP28 citations92
US6751123B2Jun 15, 2004
Storage device counting error correction
RENESAS TECH CORP25 citations92
US6728138B2Apr 27, 2004
Semiconductor memory device having faulty cells
RENESAS TECH CORP16 citations92
HITACHI ULSI SYS CO LTD
1 patentShowing the top 50 of 110 patents by PatentIndex Score.