P

Inventor

KAKEGAWA TOMOYASU

JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAKEGAWA TOMOYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANDISK TECHNOLOGIES LLC

4 patents
US10115459B1Oct 30, 2018

Multiple liner interconnects for three dimensional memory devices and method of making thereof

SANDISK TECHNOLOGIES LLC34 citations94
US9847249B2Dec 19, 2017

Buried etch stop layer for damascene bit line formation

SANDISK TECHNOLOGIES LLC5 citations72
US9799527B2Oct 24, 2017

Double trench isolation

SANDISK TECHNOLOGIES LLC3 citations72
US9768183B2Sep 19, 2017

Source line formation and structure

SANDISK TECHNOLOGIES LLC2 citations70

SANDISK TECHNOLOGIES INC

2 patents
US9177853B1Nov 3, 2015

Barrier layer stack for bit line air gap formation

SANDISK TECHNOLOGIES INC9 citations83
US9466523B2Oct 11, 2016

Contact hole collimation using etch-resistant walls

SANDISK TECHNOLOGIES INC2 citations60

ELPIDA MEMORY INC

2 patents
US8026502B2Sep 27, 2011

Phase-change nonvolatile memory and manufacturing method therefor

ELPIDA MEMORY INC4 citations61
US7964935B2Jun 21, 2011

Phase change random access memory and semiconductor device

ELPIDA MEMORY INC1 citations50

KAKEGAWA TOMOYASU

2 patents
US8513638B2Aug 20, 2013

Semiconductor device including a phase-change memory element

KAKEGAWA TOMOYASU3 citations52
US8574996B2Nov 5, 2013

Method of manufacturing semiconductor device

KAKEGAWA TOMOYASU0 citations46

PS4 LUXCO SARL

1 patent
USRE45580EJun 23, 2015

Phase-change nonvolatile memory and manufacturing method therefor

PS4 LUXCO SARL0 citations50