Inventor
En-Hsing Chen
Inventor
Sunnyvale, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores30%
H10BElectronic memory devices22%
H10DInorganic electric semiconductor devices17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
PatentTitleYear
7,998,640'Mask reuse in semiconductor processing'20117,932,157'Test structure formation in semiconductor processing'20117,830,028'Semiconductor test structures'20107,508,714'Memory array incorporating mirrored NAND strings and non-shared global bit lines within a block'20097,505,321'Programmable memory array structure incorporating series-connected transistor strings and methods for fabrication and operation of same'20097,433,233'NAND memory array incorporating capacitance boosting of channel regions in unselected memory cells and method for operation of same'20087,233,522'NAND memory array incorporating capacitance boosting of channel regions in unselected memory cells and method for operation of same'20077,221,588'Memory array incorporating memory cells arranged in NAND strings'20077,023,739'NAND memory array incorporating multiple write pulse programming of individual memory cells and method for operation of same'20067,012,299'Storage layer optimization of a nonvolatile memory device'20067,005,350'Method for fabricating programmable memory array structures incorporating series-connected transistor strings'20066,960,794'Formation of thin channels for TFT devices to ensure low variability of threshold voltages'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2006Patents assigned to MATRIX SEMICONDUCTOR INC (3)· patent assignee history
2005–2009Based in Sunnyvale, CA, US· patent location history
2006Patents assigned to MATRIX SEMICONDUCTORS INC (1)· patent assignee history
2007–2009Patents assigned to SANDISK 3D LLC (5)· patent assignee history
2010–2011Patents assigned to SANDISK CORP (3)· patent assignee history
2010–2011Based in Fremont, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANDISK 3D LLC | 5 | 2007–2009 |
| MATRIX SEMICONDUCTOR INC | 3 | 2005–2006 |
| SANDISK CORP | 3 | 2010–2011 |
| MATRIX SEMICONDUCTORS INC | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 9 | 2005–2009 |
| Fremont, California, US | 3 | 2010–2011 |