Xin Zhang

US Patent:

6987301, Jan 17, 2006

Filed:

Apr 9, 2003

Appl. No.:

10/412099

Inventors:

Xin Yi Zhang - Palo Alto CA, US
Choy Hing Li - Saratoga CA, US

Assignee:

Marvell International Ltd. - Hamilton

International Classification:

H01L 23/62

US Classification:

257362, 257566

Abstract:

An electrostatic discharge device may provide better protection of an integrated circuit by more uniform breakdown of a plurality of finger regions. The plurality of finger regions may extend through a first region of a substrate having a first conductivity type and into a second region of the substrate more lightly doped with impurities of the first conductivity type. An electrostatic discharge device may include a collector region having a middle region that may be highly doped with impurities of the first conductivity type. The middle region may be proximate to a layer that is lightly doped with impurities of the first conductivity type and a layer that is doped with impurities of the second conductivity type. The collector region may decrease the breakdown voltage of the electrostatic discharge device.

US Patent:

8396204, Mar 12, 2013

Filed:

Oct 6, 2011

Appl. No.:

13/267231

Inventors:

Jose Luis Beltran Guerrero - Palo Alto CA, US
Xin Zhang - San Jose CA, US
Ivan Adrian Lopez Sanchez - Sonora, MX
Ming Hu - Toronto, CA
Shailendra K. Jain - Sunnyvale CA, US
Jerry Z. Shan - Palo Alto CA, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

H04M 3/00

US Classification:

37926501, 37926502, 37926511, 37926512, 37926513, 37926601

Abstract:

A method for determining call center resource allocation can include modeling call center performance over an operations time period using a computer. A number of replicas of the modeled call center performance are simulated, using the computer, over a planning time period, each replica having random contact arrivals and contact service times following a stochastic arrival and service process according to a probability distributions of inter-arrival time and service time. Multiple iterations of each simulation are run on the computer to optimize call center resource allocation. A particular simulation iteration is tested against a criterion of convergence, and call center resource is allocated based on the particular simulation iteration with a successful criterion of convergence.

US Patent:

20110286988, Nov 24, 2011

Filed:

Jun 4, 2009

Appl. No.:

12/996629

Inventors:

Haiyan Jiang - San Francisco CA, US
Glenn Pierce - Rancho Santa Fe CA, US
John E. Murphy - Berkeley CA, US
Junliang Pan - Moraga Town CA, US
Xin Zhang - San Diego CA, US
Tongyao Liu - Alameda CA, US

Assignee:

BAYER HEALTHCARE LLC - Tarrytown NY

International Classification:

A61K 38/48
A61P 7/00
A61P 7/04
C12N 9/96

US Classification:

424 943, 435188

Abstract:

This invention relates to treatment of von Willebrand Disease by administration of Factor VIII muteins that are covalently bound, at a predefined site that is not an N-terminal amine, to one or more biocompatible polymers such as polyethylene glycol. The mutein conjugates retain FVIII procoagulant activity and have improved pharmacokinetic properties in subjects lacking von Willebrand Factor.

US Patent:

61580597, Dec 12, 2000

Filed:

Jan 4, 2000

Appl. No.:

9/477218

Inventors:

Xin Zhang - Burlingame CA

International Classification:

A47K 1310

US Classification:

42462

Abstract:

A foot actuated toilet seat lift comprises a lifting mechanism, a pedal assembly and mechanism for transmitting the force provided by toilet users' foot from the pedal assembly to the lifting mechanism. The lifting mechanism has a base adapted to be mounted on a toilet, a base cover resting on top of the base, a carriage mounted on one end of the base, a guiding roller rotatably mounted on the head of the carriage, a semicircle bar attached to one side of the carriage, a leaf spring mounted on one end of the base under the carriage, a pin roller movably resting on the leaf spring, a lifting arm rotatably resting in the carriage under the guiding roller, and a contact roller rotatably attached to the straight end of the lifting arm. The pedal assembly has a foot-receiving pad and a base, a number of links pivotally attached at the underside of the foot-receiving pad at one end, and movably mounted on the pedal base at another end, a number of rollers rotatably attached to the links, a mechanism for locking and releasing the pedal, and a bellows bonded on the underside of the foot-receiving pad at one end and on the pedal base at another end.

US Patent:

61211648, Sep 19, 2000

Filed:

Oct 24, 1997

Appl. No.:

8/957058

Inventors:

Ellie Yieh - Millbrae CA
Xin Zhang - Plano TX
Bang Nguyen - Fremont CA
Stuardo Robles - Sunnyvale CA
Peter Lee - Fremont CA

Assignee:

Applied Materials, Inc. - Santa Clara CA

International Classification:

H01L 2131
H01L 21469

US Classification:

438790

Abstract:

A method and apparatus for forming a halogen-doped silicon oxide film, preferably a fluorinated silicon glass (FSG) film, having compressive stress less than about -5. times. 10. sup. 8 dynes/cm. sup. 2. In a specific embodiment, the FSG film is formed by a sub-atmospheric CVD thermal process at a pressure of between about 60-650 torr. The relatively thin film, besides having a low dielectric constant and good gap fill capability, has low compressive stress, and is particularly suitable for use as an intermetal (IMD) layer.

US Patent:

20230131056, Apr 27, 2023

Filed:

Oct 10, 2022

Appl. No.:

17/962983

Inventors:

- Stanford CA, US
- Menlo Park CA, US
Mihalis S. Kariolis - Stanford CA, US
Yu Miao - Stanford CA, US
Kaushik Thakkar - Stanford CA, US
Xin Eric Zhang - Menlo park CA, US

Assignee:

The Board of Trustees of the Leland Stanford Junior University - Stanford CA
AKSO Biopharmaceutical, Inc. - Menlo Park CA

International Classification:

C07K 14/705
C07K 16/28

Abstract:

The invention is directed to novel sPD-1 variant-Fc fusion proteins.

US Patent:

20200181231, Jun 11, 2020

Filed:

Sep 12, 2019

Appl. No.:

16/569105

Inventors:

- Stanford CA, US
- Menlo Park CA, US
Mihalis S. Kariolis - Stanford CA, US
Yu Miao - Stanford CA, US
Kaushik Thakkar - Stanford CA, US
Xin Eric Zhang - Menlo Park CA, US

Assignee:

The Board of Trustees of the Leland Stanford Junior University - Stanford CA
AKSO Biopharmaceutical, Inc. - Menlo Park CA

International Classification:

C07K 14/705
C07K 16/28

Abstract:

The invention is directed to novel sPD-1 variant—Fc fusion proteins.

US Patent:

20170141725, May 18, 2017

Filed:

Jan 30, 2017

Appl. No.:

15/418962

Inventors:

- San Jose CA, US
Michael D. McJimsey - Danville CA, US
Ilija Jergovic - Palo Alto CA, US
Kaiwei Yao - San Jose CA, US
Xin Zhang - San Jose CA, US
Vincent W. Ng - Milpitas CA, US

International Classification:

H02S 50/10
H02J 3/38

Abstract:

A method for testing a photovoltaic device electrically coupled to an input port of a maximum power point tracking (MPPT) controller, where the MPPT controller includes a switching circuit adapted to transfer power between the input port and an output port of the MPPT controller, includes the steps of: (a) driving a test current into the output port of the MPPT controller; (b) detecting presence of the test current; and (c) in response to detecting presence of the test current, causing the switching circuit to provide a path for the test current from the output port to the photovoltaic device.