Inventor · disambiguated record
Tetsuya Tsujikawa
Also filed as: TSUJIKAWA TETSUYA
25 granted patents·1 pending application·478 citations·filing 1994–2006
97Inventor score
Technology areasG11C
Top patents by PatentIndex Score
26 records- 0191US6046936ASemiconductor, memory card, and data processing systemHITACHI LTD·Filed 1999·Granted Apr 4, 2000·65 cites·15 claims
- 0289US7257026B2Non-volatile multi-level semiconductor flash memory device and method of driving sameELPIDA MEMORY INC·Filed 2006·Granted Aug 14, 2007·13 cites·4 claims
- 0389US6333871B1Nonvolatile semiconductor memory including a controller for providing an improved reprogram operationHITACHI LTD·Filed 2000·Granted Dec 25, 2001·39 cites·18 claims
- 0487US6992936B2Semiconductor, memory card, and data processing systemHITACHI ULSI SYS CO LTD·Filed 2004·Granted Jan 31, 2006·31 cites·8 claims
- 0585US6335878B1Non-volatile multi-level semiconductor flash memory device and method of driving sameHITACHI LTD·Filed 2000·Granted Jan 1, 2002·24 cites·15 claims
- 0684US7079416B2Non-volatile multi-level, semiconductor flash memory device and method of driving sameHITACHI LTD·Filed 2005·Granted Jul 18, 2006·10 cites·8 claims
- 0784US6078519ASemiconductor device, data processing system and a method for changing threshold of a non-volatile memory cellHITACHI LTD·Filed 1999·Granted Jun 20, 2000·43 cites·22 claims
- 0883US5473570ASemiconductor memory device having an improved sense amplifier arrangementHITACHI LTD·Filed 1994·Granted Dec 5, 1995·41 cites·5 claims
- 0981US6711054B2Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cellRENESAS TECH CORP·Filed 2002·Granted Mar 23, 2004·22 cites·13 claims
- 1081US6507520B2Nonvolatile memory systemHITACHI LTD·Filed 2001·Granted Jan 14, 2003·22 cites·8 claims
- 1178US6788572B2Non-volatile multi-level semiconductor flash memory device and method of driving sameHITACHI LTD·Filed 2003·Granted Sep 7, 2004·15 cites·20 claims
- 1276US6301150B1Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cellHITACHI LTD·Filed 2000·Granted Oct 9, 2001·17 cites·8 claims
- 1376US6166950ANonvolatile semiconductor storage deviceHITACHI LTD·Filed 1996·Granted Dec 26, 2000·40 cites·50 claims
- 1473US6496411B2Non-volatile multi-level semiconductor flash memory device and method of driving sameHITACHI LTD·Filed 2001·Granted Dec 17, 2002·12 cites·8 claims
- 1570US6233174B1Non volatile semiconductor, memoryHITACHI LTD·Filed 2000·Granted May 15, 2001·12 cites·16 claims
- 1662US6504764B2Non-volatile memory deviceHITACHI LTD·Filed 2001·Granted Jan 7, 2003·8 cites·11 claims
- 1761US6721207B2Non-volatile memory system including a control device to control writing, reading and storage and output operations of non-volatile devices including memory cells and data latchesRENESAS TECH CORP·Filed 2002·Granted Apr 13, 2004·8 cites·4 claims
- 1860US6456526B2Non-volatile memory device operation in response to two different types of read commands and a write command which includes write verificationHITACHI LTD·Filed 2001·Granted Sep 24, 2002·7 cites·10 claims
- 1960US5748532ASemiconductor nonvolatile memory device and computer system using the sameHITACHI LTD·Filed 1996·Granted May 5, 1998·16 cites·33 claims
- 2057US5872734ASemiconductor nonvolatile memory device and computer system using the sameHITACHI LTD·Filed 1998·Granted Feb 16, 1999·14 cites·21 claims
- 2154US5654916ASemiconductor memory device having an improved sense amplifier arrangementHITACHI LTD·Filed 1995·Granted Aug 5, 1997·12 cites·33 claims
- 2253US6590808B1Non-volatile multi-level semiconductor flash memory device and method of driving sameHITACHI LTD·Filed 2002·Granted Jul 8, 2003·4 cites·8 claims
- 2342US6490195B2Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cellHITACHI LTD·Filed 2001·Granted Dec 3, 2002·2 cites·8 claims
- 2436US2005013167A1Non-volatile multi-level, semiconductor flash memory device and method of driving sameFiled 2004·Application pending·0 cites
- 2535US6320793B2Non-volatile memory deviceHITACHI LTD·Filed 2001·Granted Nov 20, 2001·0 cites·11 claims
- 2631US5699311ASemiconductor memory deviceHITACHI LTD·Filed 1996·Granted Dec 16, 1997·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →