Kazuto OHSAWA

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Three-dimensional memory containing a staircase with dummy steps an...
- Patent number 12,185,542
- Issue date Dec 31, 2024
- SanDisk Technologies LLC
- Kazuto Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-dimensional memory device with via structures surrounded by p...
- Patent number 11,756,877
- Issue date Sep 12, 2023
- SanDisk Technologies LLC
- Kazuto Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE CONTAINING SCALELESS STAIRCASE STRU...
- Publication number 20250240955
- Publication date Jul 24, 2025
- SANDISK TECHNOLOGIES LLC
- Hirofumi TOKITA
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE INCLUDING COMPOSITE BACKSIDE METAL...
- Publication number 20240196619
- Publication date Jun 13, 2024
- SANDISK TECHNOLOGIES LLC
- Ryo KAMBAYASHI
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE CONTAINING DUMMY STACK EDGE SEAL ST...
- Publication number 20230413551
- Publication date Dec 21, 2023
- SANDISK TECHNOLOGIES LLC
- Yao CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE WITH VIA STRUCTURES SURROUNDED BY P...
- Publication number 20210210428
- Publication date Jul 8, 2021
- SANDISK TECHNOLOGIES LLC
- Kazuto OHSAWA
- H01 - BASIC ELECTRIC ELEMENTS