Inventor · disambiguated record
Hiroaki Hazama
Also filed as: HAZAMA HIROAKI
49 granted patents·6 pending applications·1,048 citations·filing 1990–2013
99Inventor score
Top patents by PatentIndex Score
55 records- 0197US7079437B2Nonvolatile semiconductor memory device having configuration of NAND strings with dummy memory cells adjacent to select transistorsTOSHIBA KK·Filed 2003·Granted Jul 18, 2006·129 cites·3 claims
- 0296US7898867B2Nonvolatile semiconductor memory device including plural memory cells and a dummy cell coupled to an end of a memory cellTOSHIBA KK·Filed 2009·Granted Mar 1, 2011·25 cites·4 claims
- 0391US7263000B2NAND type memory with dummy cells adjacent to select transistors being biased at different voltage during data eraseTOSHIBA KK·Filed 2006·Granted Aug 28, 2007·20 cites·3 claims
- 0491US5815436AMulti-level nonvolatile semiconductor memory device having improved programming level and read/write multi-level data circuitsTOSHIBA KK·Filed 1996·Granted Sep 29, 1998·75 cites·17 claims
- 0591US5162880ANonvolatile memory cell having gate insulation film with carrier traps thereinTOSHIBA KK·Filed 1990·Granted Nov 10, 1992·95 cites·5 claims
- 0690US7786524B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2007·Granted Aug 31, 2010·15 cites·16 claims
- 0789US6798038B2Manufacturing method of semiconductor device with filling insulating film into trenchTOSHIBA KK·Filed 2002·Granted Sep 28, 2004·43 cites·1 claims
- 0888US7038291B2Semiconductor device and method of fabricating the sameTOSHIBA KK·Filed 2002·Granted May 2, 2006·48 cites·6 claims
- 0987US6055181ANonvolatile semiconductor memory device capable of storing multi-value data of more than one bit in a memory cellTOSHIBA KK·Filed 1998·Granted Apr 25, 2000·58 cites·6 claims
- 1086US6667507B2Flash memory having memory section and peripheral circuit sectionTOSHIBA KK·Filed 2001·Granted Dec 23, 2003·24 cites·8 claims
- 1183US7361951B2Flash memory having memory section and peripheral circuit sectionTOSHIBA KK·Filed 2005·Granted Apr 22, 2008·6 cites·10 claims
- 1283US7196370B2Nonvolatile semiconductor memory device having trench-type isolation region, and method of fabricating the sameTOSHIBA KK·Filed 2004·Granted Mar 27, 2007·27 cites·19 claims
- 1383US5514904ASemiconductor device with monocrystalline gate insulating filmTOSHIBA KK·Filed 1994·Granted May 7, 1996·57 cites·32 claims
- 1482US7371654B2Manufacturing method of semiconductor device with filling insulating film into trenchTOSHIBA KK·Filed 2006·Granted May 13, 2008·8 cites·8 claims
- 1582US6828627B2Semiconductor deviceTOSHIBA KK·Filed 2003·Granted Dec 7, 2004·23 cites·19 claims
- 1681US8274834B2Nonvolatile semiconductor memory device including plural memory cells and a dummy cell coupled to an end of a memory cellHAZAMA HIROAKI·Filed 2011·Granted Sep 25, 2012·4 cites·3 claims
- 1781US7692969B2Nonvolatile semiconductor memory device including plural memory cells and a dummy cell coupled to an end of a memory cellTOSHIBA KK·Filed 2009·Granted Apr 6, 2010·4 cites·14 claims
- 1881US6703669B1Semiconductor device having serially connected memory cell transistors provided between two current terminalsTOSHIBA KK·Filed 2000·Granted Mar 9, 2004·23 cites·18 claims
- 1980US6828624B1Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethroughTOSHIBA KK·Filed 2000·Granted Dec 7, 2004·33 cites·28 claims
- 2079US5629115AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted May 13, 1997·33 cites·60 claims
- 2178US7297599B2Method of fabricating semiconductor deviceTOSHIBA KK·Filed 2005·Granted Nov 20, 2007·6 cites·3 claims
- 2278US5907393AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted May 25, 1999·32 cites·17 claims
- 2376US6844590B2Semiconductor device with trench isolation between two regions having different gate insulating filmsTOSHIBA KK·Filed 2002·Granted Jan 18, 2005·20 cites·16 claims
- 2475US7195968B2Method of fabricating semiconductor deviceTOSHIBA KK·Filed 2005·Granted Mar 27, 2007·5 cites·4 claims
- 2574US8879326B2Nonvolatile semiconductor memory device including plural memory cells and a dummy cell coupled to an end of a memory cellTOSHIBA KK·Filed 2013·Granted Nov 4, 2014·1 cites·29 claims
- 2674US5837405AReticleTOSHIBA KK·Filed 1997·Granted Nov 17, 1998·28 cites·12 claims
- 2774US5728494AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted Mar 17, 1998·26 cites·4 claims
- 2873US7038268B2Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2003·Granted May 2, 2006·18 cites·8 claims
- 2970US8482984B2Nonvolatile semiconductor memory device including plural memory cells and a dummy cell coupled to an end of a memory cellHAZAMA HIROAKI·Filed 2012·Granted Jul 9, 2013·2 cites·4 claims
- 3069US6228717B1Method of manufacturing semiconductor devices with alleviated electric field concentration at gate edge portionsTOSHIBA KK·Filed 1998·Granted May 8, 2001·32 cites·32 claims
- 3168US6943453B2Superconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2002·Granted Sep 13, 2005·12 cites·19 claims
- 3267US8837225B2Nonvolatile semiconductor memory device and operation method of the sameTOSHIBA KK·Filed 2013·Granted Sep 16, 2014·3 cites·19 claims
- 3364US5589305AMethod of fabricating a reticleTOSHIBA KK·Filed 1995·Granted Dec 31, 1996·19 cites·12 claims
- 3463US7364951B2Nonvolatile semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2005·Granted Apr 29, 2008·5 cites·11 claims
- 3561US6975019B2Semiconductor memory device having a multi-layered interlayer insulation consisting of deuterium and nitrideTOSHIBA KK·Filed 2003·Granted Dec 13, 2005·9 cites·28 claims
- 3661US6969660B2Method of manufacturing a semiconductor device with trench isolation between two regions having different gate insulating filmsTOSHIBA KK·Filed 2004·Granted Nov 29, 2005·8 cites·8 claims
- 3760US7795667B2Semiconductor memory preventing an electric short circuit between a word line and a semiconductor substrate, and manufacturing method for the semiconductor memoryTOSHIBA KK·Filed 2003·Granted Sep 14, 2010·7 cites·10 claims
- 3860US6977409B2Flash memory having memory section and peripheral circuit sectionTOSHIBA KK·Filed 2003·Granted Dec 20, 2005·5 cites·15 claims
- 3960US6747311B2Nonvolatile semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2002·Granted Jun 8, 2004·11 cites·9 claims
- 4058US8130555B2Nonvolatile semiconductor storage device and method of erase verifying the sameHAZAMA HIROAKI·Filed 2009·Granted Mar 6, 2012·3 cites·11 claims
- 4158US8098509B2Nonvolatile semiconductor memory device, method of fabricating the nonvolatile semiconductor memory device and process of writing data on the nonvolatile semiconductor memory deviceHAZAMA HIROAKI·Filed 2009·Granted Jan 17, 2012·3 cites·10 claims
- 4256US8363480B2Nonvolatile semiconductor storage deviceTOSHIBA KK·Filed 2012·Granted Jan 29, 2013·1 cites·7 claims
- 4355US5660956AReticle and method of fabricating reticleTOSHIBA KK·Filed 1996·Granted Aug 26, 1997·16 cites·8 claims
- 4454US5595844AMethod of exposing light in a method of fabricating a reticleTOSHIBA KK·Filed 1995·Granted Jan 21, 1997·12 cites·10 claims
- 4553US7026241B2Superconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2004·Granted Apr 11, 2006·4 cites·6 claims
- 4653US6759314B1Method for manufacturing semiconductor devices using thermal nitride films as gate insulating filmsTOSHIBA KK·Filed 2000·Granted Jul 6, 2004·5 cites·15 claims
- 4750US2007206416A1Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4848US7095085B2Nonvolatile semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2004·Granted Aug 22, 2006·5 cites·18 claims
- 4945US2007190727A1Nonvolatile semiconductor memory device and manufacturing method thereforTOSHIBA KK·Filed 2007·Application pending·0 cites
- 5042US8222106B2Nonvolatile semiconductor memory device, method of fabricating the nonvolatile semiconductor memory device and process of writing data on the nonvolatile semiconductor memory deviceHAZAMA HIROAKI·Filed 2011·Granted Jul 17, 2012·0 cites·4 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →