Ryoichi EHARA

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-tier three-dimensional memory device with dielectric support...
- Patent number 10,971,514
- Issue date Apr 6, 2021
- SanDisk Technologies LLC
- Yoshitaka Otsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-dimensional memory device containing support pillars undernea...
- Patent number 10,141,331
- Issue date Nov 27, 2018
- SanDisk Technologies LLC
- Hiromasa Susuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-dimensional memory device containing annular etch-stop spacer...
- Patent number 9,780,034
- Issue date Oct 3, 2017
- SanDisk Technologies LLC
- Masanori Tsutsumi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE WITH DIELECTRIC FINS IN STAIRCASE R...
- Publication number 20240196610
- Publication date Jun 13, 2024
- SANDISK TECHNOLOGIES LLC
- Ryoichi EHARA
Information Patent Application
MULTI-TIER THREE-DIMENSIONAL MEMORY DEVICE WITH DIELECTRIC SUPPORT...
- Publication number 20200127006
- Publication date Apr 23, 2020
- SANDISK TECHNOLOGIES LLC
- Yoshitaka OTSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE CONTAINING SUPPORT PILLARS UNDERNEA...
- Publication number 20180342531
- Publication date Nov 29, 2018
- SanDisk Technologies LLC
- Hiromasa Susuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL MEMORY DEVICE CONTAINING ANNULAR ETCH-STOP SPACER...
- Publication number 20170271261
- Publication date Sep 21, 2017
- SanDisk Technologies LLC
- Masanori TSUTSUMI
- H01 - BASIC ELECTRIC ELEMENTS