Inventor
IZUMI KEISUKE
JP12 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDISK TECHNOLOGIES LLC
6 patentsUS10381362B1Aug 13, 2019
Three-dimensional memory device including inverted memory stack structures and methods of making the same
SANDISK TECHNOLOGIES LLC139 citations97
US9601502B2Mar 21, 2017
Multiheight contact via structures for a multilevel interconnect structure
SANDISK TECHNOLOGIES LLC30 citations93
US11532570B2Dec 20, 2022
Three-dimensional memory device containing bridges for enhanced structural support and methods of forming the same
SANDISK TECHNOLOGIES LLC3 citations72
US9691778B2Jun 27, 2017
Multiheight contact via structures for a multilevel interconnect structure
SANDISK TECHNOLOGIES LLC5 citations71
US10209636B1Feb 19, 2019
Exposure focus leveling method using region-differentiated focus scan patterns
SANDISK TECHNOLOGIES LLC3 citations67
US10593603B2Mar 17, 2020
Chemical mechanical polishing apparatus containing hydraulic multi-chamber bladder and method of using thereof
SANDISK TECHNOLOGIES LLC1 citations52
SANDISK TECHNOLOGIES INC
4 patentsUS9236392B1Jan 12, 2016
Multiheight electrically conductive via contacts for a multilevel interconnect structure
SANDISK TECHNOLOGIES INC81 citations95
US9401309B2Jul 26, 2016
Multiheight contact via structures for a multilevel interconnect structure
SANDISK TECHNOLOGIES INC24 citations93
US9524901B2Dec 20, 2016
Multiheight electrically conductive via contacts for a multilevel interconnect structure
SANDISK TECHNOLOGIES INC13 citations84
US9412753B2Aug 9, 2016
Multiheight electrically conductive via contacts for a multilevel interconnect structure
SANDISK TECHNOLOGIES INC15 citations84