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Inventor

Wenxian Zhu

Inventor
Palo Alto, CA, US

Overview

11→
Patents
2002–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1028%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
C23CCoating metallic material8%
E21BEarth or rock drilling8%
H01LSemiconductor devices8%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01VGeophysics4%
G06FElectric digital data processing4%
H01JElectric discharge tubes or discharge lamps4%
H05HPlasma technique4%
PatentTitleYear
10,976,470Simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir202110,947,836Device and method for measuring overburden of injected gas in cyclic gas injection development of condensate gas reservoir20219,245,793'Plasma treatment of low-K surface to improve barrier deposition'20169,224,783'Plasma densification of dielectrics for improved dielectric loss tangent'20157,476,621'Halogen-free noble gas assisted H2 plasma etch process in deposition-etch-deposition gap fill'20097,344,996'Helium-based etch process in deposition-etch-deposition gap fill'20087,211,525'Hydrogen treatment enhanced gap fill'20077,163,896'Biased H2 etch process in deposition-etch-deposition gap fill'20077,078,312'Method for controlling etch process repeatability'20066,844,612'Low dielectric constant fluorine-doped silica glass film for use in integrated circuit chips and method of forming the same'20056,452,129'Plasma torch preventing gas backflows into the torch'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to RETECH SYSTEMS LLC (1)· patent assignee history
2002Based in San Jose, CA, US· patent location history
2005–2009Patents assigned to NOVELLUS SYSTEMS INC (6)· patent assignee history
2005–2009Based in Palo Alto, CA, US· patent location history
2015–2016Patents assigned to INTERMOLECULAR INC (2)· patent assignee history
2015–2016Based in East Palo Alto, CA, US· patent location history
2021Patents assigned to UNIV BEIJING SCIENCE & TECHNOLOGY (2)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NOVELLUS SYSTEMS INC62005–2009
INTERMOLECULAR INC22015–2016
UNIV BEIJING SCIENCE & TECHNOLOGY22021
RETECH SYSTEMS LLC12002
Locations
LocationPatentsSpan
Palo Alto, California, US62005–2009
Beijing, CN22021
East Palo Alto, California, US22015–2016
San Jose, California, US12002