Inventor · disambiguated record
Wataru Sumida
Also filed as: SUMIDA WATARU
9 granted patents·2 pending applications·107 citations·filing 1997–2019
86Inventor score
Top patents by PatentIndex Score
11 records- 0188US6639278B2Semiconductor deviceNEC ELECTRONICS CORP·Filed 2002·Granted Oct 28, 2003·59 cites·9 claims
- 0280US6770539B2Vertical type MOSFET and manufacturing method thereofNEC ELECTRONICS CORP·Filed 2003·Granted Aug 3, 2004·28 cites·9 claims
- 0368US9837492B2Semiconductor device and method for manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2016·Granted Dec 5, 2017·1 cites·15 claims
- 0465US8173508B2Semiconductor device having vertical type MOSFET and manufacturing method thereofSUMIDA WATARU·Filed 2009·Granted May 8, 2012·3 cites·16 claims
- 0561US7807531B2Semiconductor device having trench-type gate and its manufacturing method capable of simplifying manufacturing stepsNEC ELECTRONICS CORP·Filed 2009·Granted Oct 5, 2010·2 cites·5 claims
- 0656US7564098B2Semiconductor device having trench-type gate and its manufacturing method capable of simplifying manufacturing stepsNEC ELECTRONICS CORP·Filed 2007·Granted Jul 21, 2009·1 cites·5 claims
- 0752US10170556B2Semiconductor device and method for manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2017·Granted Jan 1, 2019·0 cites·20 claims
- 0847US5818282ABridge circuitry comprising series connection of vertical and lateral MOSFETSNEC CORP·Filed 1997·Granted Oct 6, 1998·13 cites·2 claims
- 0942US11043585B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2019·Granted Jun 22, 2021·0 cites·7 claims
- 1040US2013341708A1Semiconductor device and method of manufacturing the semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2013·Application pending·0 cites
- 1140US2019074273A1Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →