Inventor · disambiguated record
Yoshinao Morikawa
Also filed as: MORIKAWA YOSHINAO
54 granted patents·5 pending applications·840 citations·filing 1997–2023
98Inventor score
Top patents by PatentIndex Score
59 records- 0196US7050337B2Writing control method and writing control system of semiconductor storage device, and portable electronic apparatusSHARP KK·Filed 2004·Granted May 23, 2006·142 cites·43 claims
- 0296US6937505B2Nonvolatile memory cell and nonvolatile semiconductor memory deviceSHARP KK·Filed 2003·Granted Aug 30, 2005·123 cites·13 claims
- 0393US7016222B2Nonvolatile semiconductor memory deviceSHARP KK·Filed 2003·Granted Mar 21, 2006·82 cites·5 claims
- 0491US7405974B2Semiconductor memory device, page buffer resource assigning method and circuit therefor, computer system and mobile electronic deviceSHARP KK·Filed 2004·Granted Jul 29, 2008·62 cites·64 claims
- 0590US11757453B2Multi-bit gray code generation circuitSHARP SEMICONDUCTOR INNOVATION CORP·Filed 2021·Granted Sep 12, 2023·2 cites·9 claims
- 0686US7283407B2Semiconductor memory deviceSHARP KK·Filed 2005·Granted Oct 16, 2007·19 cites·36 claims
- 0784US6920058B2Semiconductor memory deviceSHARP KK·Filed 2004·Granted Jul 19, 2005·36 cites·21 claims
- 0882US7272058B2Nonvolatile semiconductor memory device having redundant relief techniqueSHARP KK·Filed 2006·Granted Sep 18, 2007·16 cites·9 claims
- 0977US8421891B2A/D conversion apparatus using gray code counter, solid-state image capturing apparatus and electronic information deviceMORIKAWA YOSHINAO·Filed 2010·Granted Apr 16, 2013·12 cites·20 claims
- 1077US6894929B2Method of programming semiconductor memory device having memory cells and method of erasing the sameSHARP KK·Filed 2004·Granted May 17, 2005·24 cites·31 claims
- 1175US7009884B2Semiconductor storage device, display device and portable electronic equipmentSHARP KK·Filed 2004·Granted Mar 7, 2006·22 cites·22 claims
- 1275US6944077B2Reading circuit and semiconductor memory device including the sameSHARP KK·Filed 2003·Granted Sep 13, 2005·21 cites·11 claims
- 1373US6862251B2Semiconductor memory deviceSHARP KK·Filed 2004·Granted Mar 1, 2005·18 cites·16 claims
- 1472US7170791B2Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory deviceSHARP KK·Filed 2004·Granted Jan 30, 2007·17 cites·55 claims
- 1571US7315603B2Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipmentSHARP KK·Filed 2004·Granted Jan 1, 2008·16 cites·10 claims
- 1670US6822504B2Correction circuit for generating a control signal for correcting a characteristic change of a transistor, a delay circuit using the same, and a ring oscillator circuit using the sameSHARP KK·Filed 2003·Granted Nov 23, 2004·14 cites·20 claims
- 1769US7092295B2Semiconductor memory device and portable electronic apparatus including the sameSHARP KK·Filed 2004·Granted Aug 15, 2006·17 cites·13 claims
- 1867US7027341B2Semiconductor readout circuitSHARP KK·Filed 2004·Granted Apr 11, 2006·14 cites·15 claims
- 1967US6992926B2Driver circuit for semiconductor storage device and portable electronic apparatusSHARP KK·Filed 2004·Granted Jan 31, 2006·13 cites·12 claims
- 2065US6990022B2Semiconductor memory device and portable electronic apparatusSHARP KK·Filed 2004·Granted Jan 24, 2006·12 cites·13 claims
- 2164US6977843B2Semiconductor memory device with malfunction prevention device, and portable electronic apparatus using the sameSHARP KK·Filed 2004·Granted Dec 20, 2005·11 cites·6 claims
- 2262US6982906B2Electrically programmable and electrically erasable semiconductor memory deviceSHARP KK·Filed 2004·Granted Jan 3, 2006·10 cites·6 claims
- 2360US10708532B2Analog-to-digital converter and solid-state image sensorSHARP KK·Filed 2019·Granted Jul 7, 2020·1 cites·4 claims
- 2459US7110297B2Semiconductor storage device and mobile electronic apparatusSHARP KK·Filed 2004·Granted Sep 19, 2006·8 cites·19 claims
- 2557US7177188B2Semiconductor memory device, display device, and portable electronic apparatusSHARP KK·Filed 2004·Granted Feb 13, 2007·9 cites·13 claims
- 2657US7009892B2Semiconductor memory device and portable electronic apparatusSHARP KK·Filed 2004·Granted Mar 7, 2006·7 cites·15 claims
- 2755US7061808B2Semiconductor memory device, driving method thereof, and portable electronic apparatusSHARP KK·Filed 2004·Granted Jun 13, 2006·6 cites·15 claims
- 2854US7139202B2Semiconductor storage device, mobile electronic apparatus, and method for controlling the semiconductor storage deviceSHARP KK·Filed 2004·Granted Nov 21, 2006·6 cites·30 claims
- 2954US7079421B2Method of improving data retention ability of semiconductor memory device, and semiconductor memory deviceSHARP KK·Filed 2004·Granted Jul 18, 2006·8 cites·26 claims
- 3054US7050331B2Semiconductor memory device and portable electronic apparatusSHARP KK·Filed 2004·Granted May 23, 2006·6 cites·12 claims
- 3154US7023731B2Semiconductor memory device and portable electronic apparatusSHARP KK·Filed 2004·Granted Apr 4, 2006·8 cites·12 claims
- 3254US2024178243A1Solid-state imaging elementSHARP SEMICONDUCTOR INNOVATION CORP·Filed 2023·Application pending·0 cites
- 3353US6150877ASemiconductor device with improved circuit interconnectionSHARP KK·Filed 1998·Granted Nov 21, 2000·18 cites·15 claims
- 3452US11477405B2Solid-state image sensorSHARP KK·Filed 2021·Granted Oct 18, 2022·0 cites·5 claims
- 3552US6710638B2Voltage conversion circuit and semiconductor deviceSHARP KK·Filed 2003·Granted Mar 23, 2004·5 cites·9 claims
- 3651US6707725B2Reference voltage generation circuit for semiconductor memory device, memory reading circuit including same, and electronic information device including the sameSHARP KK·Filed 2002·Granted Mar 16, 2004·6 cites·20 claims
- 3749US7085166B2Semiconductor memory device and programming method thereofSHARP KK·Filed 2004·Granted Aug 1, 2006·4 cites·21 claims
- 3849US6992930B2Semiconductor memory device, method for driving the same and portable electronic apparatusSHARP KK·Filed 2004·Granted Jan 31, 2006·4 cites·20 claims
- 3948US10608529B2Internal voltage generation circuitSHARP KK·Filed 2019·Granted Mar 31, 2020·0 cites·4 claims
- 4048US7161207B2Computer system, memory structure and structure for providing storage of dataSHARP KK·Filed 2004·Granted Jan 9, 2007·3 cites·31 claims
- 4148US6559514B2Semiconductor memory device having auxiliary conduction region of reduced areaSHARP KK·Filed 2000·Granted May 6, 2003·3 cites·10 claims
- 4247US2007097762A1Semiconductor storage device, redundancy circuit thereof, and portable electronic deviceYAOI YOSHIFUMI·Filed 2006·Application pending·0 cites
- 4346US7167402B2Semiconductor storage device, redundancy circuit thereof, and portable electronic deviceSHARP KK·Filed 2004·Granted Jan 23, 2007·2 cites·33 claims
- 4446US6535214B1Semiconductor device for display controlSHARP KK·Filed 2000·Granted Mar 18, 2003·1 cites·9 claims
- 4545US7116579B2Semiconductor storage device and mobile electronic apparatusSHARP KK·Filed 2004·Granted Oct 3, 2006·4 cites·12 claims
- 4645US7106630B2Semiconductor storage device, mobile electronic apparatus, method for controlling erase operation, and method for controlling program operationSHARP KK·Filed 2004·Granted Sep 12, 2006·4 cites·34 claims
- 4745US7064982B2Semiconductor memory device and portable electronic apparatusSHARP KK·Filed 2004·Granted Jun 20, 2006·2 cites·24 claims
- 4845US6992933B2Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory deviceSHARP KK·Filed 2004·Granted Jan 31, 2006·2 cites·35 claims
- 4945US6353560B1Semiconductor memory deviceSHARP KK·Filed 2000·Granted Mar 5, 2002·4 cites·7 claims
- 5045US2024147100A1Image sensor circuitSHARP SEMICONDUCTOR INNOVATION CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →