Inventor · disambiguated record
Tomoyasu Kakegawa
Also filed as: KAKEGAWA TOMOYASU
11 granted patents·6 pending applications·63 citations·filing 2008–2017
87Inventor score
Files withELPIDA MEMORY INC5SANDISK TECHNOLOGIES INC4SANDISK TECHNOLOGIES LLC4KAKEGAWA TOMOYASU3PS4 LUXCO SARL1
Top patents by PatentIndex Score
17 records- 0197US10115459B1Multiple liner interconnects for three dimensional memory devices and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2017·Granted Oct 30, 2018·34 cites·19 claims
- 0288US9177853B1Barrier layer stack for bit line air gap formationSANDISK TECHNOLOGIES INC·Filed 2014·Granted Nov 3, 2015·9 cites·20 claims
- 0382US9847249B2Buried etch stop layer for damascene bit line formationSANDISK TECHNOLOGIES LLC·Filed 2014·Granted Dec 19, 2017·5 cites·9 claims
- 0476US9799527B2Double trench isolationSANDISK TECHNOLOGIES LLC·Filed 2014·Granted Oct 24, 2017·3 cites·10 claims
- 0570US9768183B2Source line formation and structureSANDISK TECHNOLOGIES LLC·Filed 2015·Granted Sep 19, 2017·2 cites·15 claims
- 0669US8026502B2Phase-change nonvolatile memory and manufacturing method thereforELPIDA MEMORY INC·Filed 2008·Granted Sep 27, 2011·4 cites·18 claims
- 0768US9466523B2Contact hole collimation using etch-resistant wallsSANDISK TECHNOLOGIES INC·Filed 2014·Granted Oct 11, 2016·2 cites·15 claims
- 0865US8513638B2Semiconductor device including a phase-change memory elementKAKEGAWA TOMOYASU·Filed 2011·Granted Aug 20, 2013·3 cites·18 claims
- 0958US7964935B2Phase change random access memory and semiconductor deviceELPIDA MEMORY INC·Filed 2008·Granted Jun 21, 2011·1 cites·10 claims
- 1049US2013095633A1Methods of manufacturing variable resistance memory and semiconductor deviceELPIDA MEMORY INC·Filed 2012·Application pending·0 cites
- 1148USRE45580EPhase-change nonvolatile memory and manufacturing method thereforPS4 LUXCO SARL·Filed 2013·Granted Jun 23, 2015·0 cites·19 claims
- 1245US8574996B2Method of manufacturing semiconductor deviceKAKEGAWA TOMOYASU·Filed 2012·Granted Nov 5, 2013·0 cites·20 claims
- 1342US2011089394A1Semiconductor deviceELPIDA MEMORY INC·Filed 2010·Application pending·0 cites
- 1442US2012256152A1Semiconductor device and method for manufacturing the sameKAKEGAWA TOMOYASU·Filed 2012·Application pending·0 cites
- 1541US2014021428A1Semiconductor device and manufacturing method thereforELPIDA MEMORY INC·Filed 2013·Application pending·0 cites
- 1633US2016204059A1Conductive Lines with Protective SidewallsSANDISK TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
- 1731US2017040333A1Contact 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 →