Inventor · disambiguated record
Masahiro Ushiyama
Also filed as: USHIYAMA MASAHIRO
8 granted patents·4 pending applications·251 citations·filing 1991–2008
89Inventor score
Top patents by PatentIndex Score
12 records- 0193US5188976AManufacturing method of non-volatile semiconductor memory deviceHITACHI LTD·Filed 1991·Granted Feb 23, 1993·120 cites·10 claims
- 0288US6521943B1Semiconductor device having thin electrode layer adjacent gate insulator and method of manufactureHITACHI LTD·Filed 2000·Granted Feb 18, 2003·37 cites·23 claims
- 0382US6656804B2Semiconductor device and production method thereofHITACHI LTD·Filed 2001·Granted Dec 2, 2003·26 cites·3 claims
- 0480US6144062ASemiconductor device having thin electrode layer adjacent gate insulator and method of manufactureHITACHI LTD·Filed 1998·Granted Nov 7, 2000·35 cites·2 claims
- 0576US7163886B2Semiconductor integrated circuit device and process for manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Jan 16, 2007·15 cites·17 claims
- 0669US6417052B1Fabrication process for semiconductor deviceHITACHI LTD·Filed 2000·Granted Jul 9, 2002·14 cites·6 claims
- 0754US2008157219A1Semiconductor integrated circuit device and process for manufacturing the sameFUJIWARA TSUYOSHI·Filed 2008·Application pending·0 cites
- 0851US2007018327A1Semiconductor integrated circuit device and process for manufacturing the sameFUJIWARA TSUYOSHI·Filed 2006·Application pending·0 cites
- 0947US6723625B2Semiconductor device having thin electrode laye adjacent gate insulator and method of manufactureRENESAS TECH CORP·Filed 2002·Granted Apr 20, 2004·2 cites·25 claims
- 1046US6849513B2Semiconductor device and production method thereofRENESAS TECH CORP·Filed 2003·Granted Feb 1, 2005·2 cites·3 claims
- 1141US2004257711A1Composite magnetic thin film headHITACHI GLOBAL STORAGE TECH·Filed 2004·Application pending·0 cites
- 1235US2001019158A1Semiconductor device having gate insulating film of silicon oxide and silicon nitride filmsFiled 2001·Application pending·0 cites
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