Inventor · disambiguated record
Keigo Kitazawa
Also filed as: KITAZAWA KEIGO
6 granted patents·3 pending applications·64 citations·filing 2010–2025
77Inventor score
Top patents by PatentIndex Score
9 records- 0196US10192784B1Three-dimensional memory device containing self-aligned contact via structures and methods of manufacturing the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Jan 29, 2019·47 cites·12 claims
- 0294US10580783B2Multi-tier three-dimensional memory device containing differential etch rate field oxides and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Mar 3, 2020·16 cites·16 claims
- 0368US2025322852A1Three-dimensional memory device containing silicon oxycarbide liners and methods of forming the sameSANDISK TECHNOLOGIES INC·Filed 2025·Application pending·0 cites
- 0454US11792986B2Dual sacrificial material replacement process for a three-dimensional memory device and structure formed by the sameSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Oct 17, 2023·0 cites·13 claims
- 0552US2025372523A1Three-dimensional memory device containing top source contact to doped semiconductor source tips and methods for forming the sameSANDISK TECHNOLOGIES LLC·Filed 2024·Application pending·0 cites
- 0651US12432917B2Three-dimensional memory device including discrete memory elements and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Sep 30, 2025·0 cites·16 claims
- 0749US8841724B2Semiconductor device and its manufacturing methodMIYAKOSHI KENJI·Filed 2010·Granted Sep 23, 2014·1 cites·2 claims
- 0841US11387166B2Three-dimensional memory device with variable width contact via structures and methods for making the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Jul 12, 2022·0 cites·8 claims
- 0935US2011024838A1Semiconductor deviceHITACHI LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →