Keigo Kitazawa

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Patents Grantslast 30 patents

Information Patent Grant
Dual sacrificial material replacement process for a three-dimension...
- Patent number 11,792,986
- Issue date Oct 17, 2023
- SanDisk Technologies LLC
- Keigo Kitazawa
Information Patent Grant
Three-dimensional memory device with variable width contact via str...
- Patent number 11,387,166
- Issue date Jul 12, 2022
- SanDisk Technologies LLC
- Keigo Kitazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-tier three-dimensional memory device containing differential...
- Patent number 10,580,783
- Issue date Mar 3, 2020
- SanDisk Technologies LLC
- Zhixin Cui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-dimensional memory device containing self-aligned contact via...
- Patent number 10,192,784
- Issue date Jan 29, 2019
- SanDisk Technologies LLC
- Zhixin Cui
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DUAL SACRIFICIAL MATERIAL REPLACEMENT PROCESS FOR A THREE-DIMENSION...
- Publication number 20220336486
- Publication date Oct 20, 2022
- SANDISK TECHNOLOGIES LLC
- Keigo KITAZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE INCLUDING DISCRETE MEMORY ELEMENTS...
- Publication number 20220052073
- Publication date Feb 17, 2022
- SANDISK TECHNOLOGIES LLC
- Keigo KITAZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE WITH VARIABLE WIDTH CONTACT VIA STR...
- Publication number 20210159149
- Publication date May 27, 2021
- SANDISK TECHNOLOGIES LLC
- Keigo KITAZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-TIER THREE-DIMENSIONAL MEMORY DEVICE CONTAINING DIFFERENTIAL...
- Publication number 20190273088
- Publication date Sep 5, 2019
- SanDisk Technologies LLC
- Zhixin CUI
- H01 - BASIC ELECTRIC ELEMENTS