Inventor · disambiguated record
Keita Kumamoto
Also filed as: KUMAMOTO KEITA
9 granted patents·4 pending applications·45 citations·filing 1999–2024
85Inventor score
Files withNEC CORP3SANDISK TECHNOLOGIES INC3NEC ELECTRONICS CORP2SANDISK TECHNOLOGIES LLC2KUMAMOTO KEITA1
Top patents by PatentIndex Score
13 records- 0170US9768183B2Source line formation and structureSANDISK TECHNOLOGIES LLC·Filed 2015·Granted Sep 19, 2017·2 cites·15 claims
- 0268US9466523B2Contact hole collimation using etch-resistant wallsSANDISK TECHNOLOGIES INC·Filed 2014·Granted Oct 11, 2016·2 cites·15 claims
- 0367US6589853B2Method of forming a trench isolation structure having a second nitride filmNEC ELECTRONICS CORP·Filed 2002·Granted Jul 8, 2003·16 cites·15 claims
- 0462US6962862B2Manufacturing method of semiconductor deviceNEC ELECTRONICS CORP·Filed 2002·Granted Nov 8, 2005·12 cites·23 claims
- 0558US2025366168A1Capacitor containing metal nitride barrier layer and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2024·Application pending·0 cites
- 0645US9224637B1Bi-level dry etching scheme for transistor contactsSANDISK TECHNOLOGIES INC·Filed 2014·Granted Dec 29, 2015·0 cites·13 claims
- 0744US6387760B2Method for making semiconductor device having bent gate electrodeNEC CORP·Filed 2001·Granted May 14, 2002·2 cites·4 claims
- 0844US6246080B1Semiconductor device having bent gate electrode and process for production thereofNEC CORP·Filed 1999·Granted Jun 12, 2001·8 cites·4 claims
- 0933US8289126B2Resistive element and manufacturing method thereforKUMAMOTO KEITA·Filed 2011·Granted Oct 16, 2012·0 cites·20 claims
- 1033US2002142550A1Semiconductor device and method of manufacturing the sameFiled 2002·Application pending·0 cites
- 1132US2001026995A1Method of forming shallow trench isolationFiled 2001·Application pending·0 cites
- 1231US6118170AResistance element having flexing portion and its manufacturing methodNEC CORP·Filed 1999·Granted Sep 12, 2000·3 cites·8 claims
- 1331US2017040333A1Contact Plug Constrained By Dielectric PortionsSANDISK TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →