Inventor · disambiguated record
Kunihiro Katayama
Also filed as: KATAYAMA KUNIHIRO
110 granted patents·13 pending applications·3,728 citations·filing 1991–2013
99Inventor score
Files withHITACHI LTD47RENESAS TECH CORP40SOLID STATE STORAGE SOLUTIONS7HITACHI ULSI SYS CO LTD4KATAYAMA KUNIHIRO4
Top patents by PatentIndex Score
123 records- 0198US6788609B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2003·Granted Sep 7, 2004·87 cites·6 claims
- 0298US6421279B1Flash memory control method and apparatus processing system therewithHITACHI LTD·Filed 2001·Granted Jul 16, 2002·162 cites·16 claims
- 0398US6347051B2Storage device employing a flash memoryHITACHI LTD·Filed 2001·Granted Feb 12, 2002·110 cites·24 claims
- 0498US6275436B1Flash memory control method and apparatus processing system therewithHITACHI LTD·Filed 2000·Granted Aug 14, 2001·171 cites·12 claims
- 0598US5530673AFlash memory control method and information processing system therewithHITACHI LTD·Filed 1994·Granted Jun 25, 1996·315 cites·2 claims
- 0698US5530828ASemiconductor storage device including a controller for continuously writing data to and erasing data from a plurality of flash memoriesHITACHI LTD·Filed 1993·Granted Jun 25, 1996·341 cites·14 claims
- 0797US7558110B2IC module and cellular phoneRENESAS TECH CORP·Filed 2007·Granted Jul 7, 2009·84 cites·28 claims
- 0897US6341085B1Storage device employing a flash memoryHITACHI LTD·Filed 2000·Granted Jan 22, 2002·137 cites·13 claims
- 0997US6339546B1Storage device counting error correctionHITACHI LTD·Filed 2000·Granted Jan 15, 2002·129 cites·4 claims
- 1097US5644539AStorage device employing a flash memoryHITACHI LTD·Filed 1992·Granted Jul 1, 1997·163 cites·21 claims
- 1195US7006386B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Feb 28, 2006·22 cites·21 claims
- 1295US6078520AFlash memory control method and information processing system therewithHITACHI LTD·Filed 1999·Granted Jun 20, 2000·140 cites·8 claims
- 1395US5809515ASemiconductor storage device in which instructions are sequentially fed to a plurality of flash memories to continuously write and erase dataHITACHI LTD·Filed 1996·Granted Sep 15, 1998·106 cites·12 claims
- 1494US7002851B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Feb 21, 2006·22 cites·10 claims
- 1593US7064995B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Jun 20, 2006·19 cites·16 claims
- 1693US6317371B2Storage device with an error correction unit and an improved arrangement for accessing and transferring blocks of data stored in a non-volatile semiconductor memoryHITACHI LTD·Filed 2001·Granted Nov 13, 2001·52 cites·2 claims
- 1793US5862083AInformation processing systemHITACHI LTD·Filed 1996·Granted Jan 19, 1999·85 cites·15 claims
- 1892US7082510B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Jul 25, 2006·16 cites·7 claims
- 1992US6728826B2Semiconductor storage device in which commands are sequentially fed to a plurality of flash memories to continuously write dataRENESAS TECH CORP·Filed 2003·Granted Apr 27, 2004·56 cites·11 claims
- 2092US6567334B2Storage device employing a flash memoryHITACHI LTD·Filed 2002·Granted May 20, 2003·42 cites·14 claims
- 2191US6388920B2Semiconductor memory device having faulty cellsHITACHI LTD·Filed 2001·Granted May 14, 2002·42 cites·9 claims
- 2291US6272610B1File memory device using flash memories, and an information processing system using the sameHITACHI LTD·Filed 1994·Granted Aug 7, 2001·119 cites·29 claims
- 2391US6130837AStorage device employing a flash memoryHITACHI LTD·Filed 1997·Granted Oct 10, 2000·70 cites·33 claims
- 2490US6549460B2Memory device and memory cardHITACHI LTD·Filed 2001·Granted Apr 15, 2003·48 cites·12 claims
- 2589US6925012B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2004·Granted Aug 2, 2005·28 cites·18 claims
- 2689US6493273B2Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cellsHITACHI LTD·Filed 2001·Granted Dec 10, 2002·26 cites·13 claims
- 2789US6351412B1Memory cardHITACHI LTD·Filed 2000·Granted Feb 26, 2002·49 cites·7 claims
- 2888US6480416B2Storage device counting error correctionHITACHI LTD·Filed 2001·Granted Nov 12, 2002·39 cites·3 claims
- 2986US7356659B2Nonvolatile semiconductor memory and method of managing information in information distribution systemRENESAS TECH CORP·Filed 2005·Granted Apr 8, 2008·15 cites·12 claims
- 3086US7123519B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Oct 17, 2006·9 cites·25 claims
- 3186US5973964AFlash memory control method and information processing system therewithHITACHI LTD·Filed 1998·Granted Oct 26, 1999·83 cites·8 claims
- 3285US7715243B2Storage device employing a flash memoryS4 INC·Filed 2007·Granted May 11, 2010·8 cites·20 claims
- 3385US7184320B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Feb 27, 2007·7 cites·8 claims
- 3484US8031536B2Storage device employing a flash memoryS4 INC·Filed 2010·Granted Oct 4, 2011·4 cites·20 claims
- 3584US7996911B2Memory cardRENESAS ELECTRONICS CORP·Filed 2008·Granted Aug 9, 2011·12 cites·2 claims
- 3684US7379379B2Storage device employing a flash memorySOLID STATE STORAGE SOLUTIONS·Filed 2006·Granted May 27, 2008·7 cites·9 claims
- 3784US7154805B2Storage device employing a flash memoryRENESAS TECH CORP·Filed 2005·Granted Dec 26, 2006·6 cites·7 claims
- 3884US6751123B2Storage device counting error correctionRENESAS TECH CORP·Filed 2003·Granted Jun 15, 2004·25 cites·9 claims
- 3984US6459644B2Semiconductor memory device with block alignment functionHITACHI LTD·Filed 2001·Granted Oct 1, 2002·41 cites·9 claims
- 4083US7185145B2Memory cardRENESAS TECH CORP·Filed 2002·Granted Feb 27, 2007·28 cites·7 claims
- 4183US6031758ASemiconductor memory device having faulty cellsHITACHI LTD·Filed 1996·Granted Feb 29, 2000·61 cites·17 claims
- 4282US7327624B2Storage device employing a flash memorySOLID STATE STORAGE SOLUTIONS·Filed 2006·Granted Feb 5, 2008·5 cites·6 claims
- 4382US7043615B1Nonvolatile semiconductor memory and method of managing information in information distribution systemRENESAS TECH CORP·Filed 2000·Granted May 9, 2006·32 cites·2 claims
- 4482US6915427B2Hub apparatus with copyright protection functionHITACHI LTD·Filed 2001·Granted Jul 5, 2005·30 cites·7 claims
- 4581US7650503B2Memory cardRENESAS TECH CORP·Filed 2007·Granted Jan 19, 2010·8 cites·9 claims
- 4681US6728138B2Semiconductor memory device having faulty cellsRENESAS TECH CORP·Filed 2003·Granted Apr 27, 2004·16 cites·8 claims
- 4781US6549974B2Semiconductor storage apparatus including a controller for sending first and second write commands to different nonvolatile memories in a parallel or time overlapped mannerHITACHI LTD·Filed 2001·Granted Apr 15, 2003·21 cites·12 claims
- 4881US6359806B1Memory deviceHITACHI LTD·Filed 2000·Granted Mar 19, 2002·24 cites·14 claims
- 4980US7694067B2Memory cardRENESAS TECH CORP·Filed 2008·Granted Apr 6, 2010·7 cites·20 claims
- 5080US7281101B2Memory device storing data relating to specific application programsRENESAS TECH CORP·Filed 2004·Granted Oct 9, 2007·57 cites·24 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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