Inventor · disambiguated record
Akihiro Tobioka
Also filed as: TOBIOKA AKIHIRO
16 granted patents·10 pending applications·34 citations·filing 2004–2025
89Inventor score
Files withSANDISK TECHNOLOGIES LLC20SANDISK TECHNOLOGIES INC4RENESAS TECH CORP1WESTERN DIGITAL TECH INC1
Top patents by PatentIndex Score
26 records- 0198US11495612B2Three-dimensional memory device including stairless word line contact structures for and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Nov 8, 2022·8 cites·10 claims
- 0295US10861871B2Three-dimensional memory array including self-aligned dielectric pillar structures and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Dec 8, 2020·15 cites·15 claims
- 0392US12457749B2Three-dimensional memory device with backside support pillar structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2024·Granted Oct 28, 2025·1 cites·19 claims
- 0492US12010842B2Method of forming a stepped surface in a three-dimensional memory device and structures incorporating the sameSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jun 11, 2024·2 cites·19 claims
- 0591US12408345B2Three-dimensional memory device with backside support pillar structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2023·Granted Sep 2, 2025·1 cites·20 claims
- 0690US11844222B2Three-dimensional memory device with backside support pillar structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Dec 12, 2023·2 cites·3 claims
- 0790US11749600B2Three-dimensional memory device with hybrid staircase structure and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Sep 5, 2023·2 cites·13 claims
- 0884US11569139B2Electrical overlay measurement methods and structures for wafer-to-wafer bondingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 31, 2023·1 cites·3 claims
- 0983US11450679B2Three-dimensional memory device including stairless word line contact structures for and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Sep 20, 2022·1 cites·20 claims
- 1083US2025324598A1Stairless three-dimensional memory device and method of making the same by forming replacement word linesSANDISK TECHNOLOGIES INC·Filed 2025·Application pending·0 cites
- 1171US2024179909A1Stairless three-dimensional memory device and method of making the same by forming replacement word linesSANDISK TECHNOLOGIES LLC·Filed 2023·Application pending·0 cites
- 1270US2025324599A1Stairless three-dimensional memory device and method of making the same by forming replacement word linesSANDISK TECHNOLOGIES INC·Filed 2025·Application pending·0 cites
- 1364US9425047B1Self-aligned process using variable-fluidity materialSANDISK TECHNOLOGIES INC·Filed 2015·Granted Aug 23, 2016·1 cites·20 claims
- 1460US2024315040A1Three-dimensional memory device with backside support pillar structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2024·Application pending·0 cites
- 1559US11189637B2Three-dimensional memory array including self-aligned dielectric pillar structures and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Nov 30, 2021·0 cites·18 claims
- 1659US2024196616A1Three-dimensional memory devices with lateral block isolation structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2023·Application pending·0 cites
- 1759US2024334696A1Three-dimensional memory device containing composite dielectric isolation structure in a staircase region and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2023·Application pending·0 cites
- 1859US2024194263A1Three-dimensional memory devices with lateral block isolation structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2024·Application pending·0 cites
- 1958US10274841B2Reticle with reduced transmission regions for detecting a defocus condition in a lithography processSANDISK TECHNOLOGIES LLC·Filed 2017·Granted Apr 30, 2019·0 cites·9 claims
- 2056US12456686B2Three-dimensional memory device with multilevel drain-select electrodes and methods for forming the sameSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Oct 28, 2025·0 cites·15 claims
- 2156US2024196612A1Three-dimensional memory devices with lateral block isolation structures and methods of forming the sameSANDISK TECHNOLOGIES LLC·Filed 2023·Application pending·0 cites
- 2254US2024178130A1Stairless three-dimensional memory device and method of making the same by forming replacement word linesSANDISK TECHNOLOGIES LLC·Filed 2023·Application pending·0 cites
- 2353US12369319B2Three-dimensional memory device containing dual-depth drain-select-level isolation structures and methods for forming the sameSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Jul 22, 2025·0 cites·7 claims
- 2453US12255154B2Three-dimensional memory device with orthogonal memory opening and support opening arrays and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Mar 18, 2025·0 cites·20 claims
- 2553US9810916B2Reticle with reduced transmission regions for detecting a defocus condition in a lithography processSANDISK TECHNOLOGIES INC·Filed 2015·Granted Nov 7, 2017·0 cites·17 claims
- 2637US2005064676A1Method of forming alignment markRENESAS TECH CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →