Xiao Ying Zhang

US Patent:

20120128017, May 24, 2012

Filed:

Nov 17, 2011

Appl. No.:

13/299326

Inventors:

Claudia Felser - Dresden, DE
Shoucheng Zhang - Stanford CA, US
Xiao Zhang - Stanford CA, US

Assignee:

The Board of Trustees of the Leland Stanford Junior University - Stanford CA

International Classification:

H01S 5/323
H01L 33/30
H01L 31/0304
H01L 31/0248

US Classification:

372 4401, 257 14, 257 13, 257222, 257E33023, 257E31019

Abstract:

An electrical device includes a charge carrier transport layer formed using a ternary semiconducting compound having a stoichiometry of 1:1:1 and an element combination selected from the set of I-II-V, I-III-IV, II-II-IV, and I-I-VI; or having a stoichiometry of 3:1:2 and an element combination selected from the set of I-III-V; or having a stoichiometry of 2:1:1 and an element combination selected from the set of I-II-IV. In some embodiments, the charge carrier transport layer is used as the radiation absorption layer for a photovoltaic cell, or a light emitting layer of a light emitting device. Other devices, such as laser diode, a photodetection device, an optical modulator, a transparent electrode and a window layer, can also be formed using the ternary semiconducting compound as the charge carrier transport.

US Patent:

20120138887, Jun 7, 2012

Filed:

Dec 6, 2011

Appl. No.:

13/312942

Inventors:

Shoucheng Zhang - Stanford CA, US
Xiao Zhang - Stanford CA, US

Assignee:

The Board of Trustees of the Leland Stanford Junior University - Stanford CA

International Classification:

H01L 29/06

US Classification:

257 9, 257E29005

Abstract:

An electrical device includes a current transport layer formed using a layer of a topological material selected from the group of a topological insulator, a quantum anomalous hall (QAH) insulator, a topological insulator variant, and a topological magnetic insulator. In one embodiment, the current transport layer forms a conductive wire on an integrated circuit where the conductive wire includes two spatially separated edge channels, each edge channel carrying charge carriers propagating in one direction only. In other embodiments, an optical device includes an optical layer formed using a layer of the topological material. The optical layer can be a light absorbing layer, a light emitting layer, a light transport layer, or a light modulation layer.

US Patent:

53176464, May 31, 1994

Filed:

Mar 24, 1992

Appl. No.:

7/856434

Inventors:

Henry W. Sang - Cupertio CA
Xiao B. Zhang - Foster City CA

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G06K 934
G06K 964
G06K 968
G06K 920

US Classification:

382 9

Abstract:

A forms recognition system having a method which assists an operator in creating an electronic template. The automated method would allow an operator to view an electronic bitmap of a master or blank form on a graphical display, the master form having bounded or semi-bounded regions depicting fields. An operator would display the bitmap, select a single point within a bounded or semi-bounded region on the bitmap with a pointing device, and the coordinates representing the bounded region would be automatically determined using the single point selected by the operator.

US Patent:

57712450, Jun 23, 1998

Filed:

Mar 20, 1992

Appl. No.:

7/856001

Inventors:

Xiao Bei Zhang - Foster City CA

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H03M 1300
G06F 1100

US Classification:

371 391

Abstract:

All error correction computations for correcting decode errors that corrupt a binary message that is encoded in a two dimensional code, such as a two dimensional self-clocking glyph code, are performed on byte aligned (or, more generally, symbol aligned) symbol sets that span the message but no other variables.

US Patent:

52451658, Sep 14, 1993

Filed:

Dec 27, 1991

Appl. No.:

7/814841

Inventors:

Xiao B. Zhang - Foster City CA

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G06K 710
G06K 1906

US Classification:

235454

Abstract:

A self-clocking glyph code is provided for encoding dual bit digital values in the cardinal rotations (0. degree. , 90. degree. , 180. degree. and 270. degree. ) of a logically ordered sequence of wedge-shaped glyphs that are written, printed, or otherwise recorded on a hardcopy recording medium in accordance with a predetermined spatial formatting rule. For example, these wedge-shaped glyphs suitably are essentially identical right triangles. The widths of such glyphs vary unidirectionally as a function of their height, so they can be decoded reliably, even when they are degraded by scan errors, dropped scan lines and/or random noise patterns. The decoding can be carried out in a variety of different ways, including by means of a bounding box analysis of the glyphs to determine whether the center of mass of each glyph is in the upper right, upper left, lower right or lower left quadrant of its bounding box; or by means of a bounding box analysis of the glyphs to determine whether the inclined surface of each wedge is on its right-hand side or its left-hand side and tilted to the right or left; or by means of a comparative run length analysis of each of the glyphs to determine whether its shortest run of adjacent ON pixels is spatially located above or below, and to the right or left of center of, its longest run of adjacent ON pixels.

US Patent:

20200090039, Mar 19, 2020

Filed:

Nov 17, 2017

Appl. No.:

16/494842

Inventors:

- Mountain View CA, US
Yuan Li - Fremont CA, US
Bo Wu - Pleasanton CA, US
Chao-Yeh Chen - Mountain View CA, US
Xiao Zhang - Mountain View CA, US
Hartwig Adam - Marina del Rey CA, US

International Classification:

G06N 3/08
G06N 20/00
G06K 9/32

Abstract:

A computer-implemented method for generating a unified machine learning model using a neural network on a data processing apparatus is described. The method includes the data processing apparatus determining respective learning targets for each of a plurality of object verticals. The data processing apparatus determines the respective learning targets based on two or more embedding outputs of the neural network. The method also includes the data processing apparatus training the neural network to identify data associated with each of the plurality of object verticals. The data processing apparatus trains the neural network using the respective learning targets and based on a first loss function. The data processing apparatus uses the neural network trained to generate a unified machine learning model, where the model is configured to identify particular data items associated with each of the plurality of object verticals.

US Patent:

20190334936, Oct 31, 2019

Filed:

Jul 20, 2018

Appl. No.:

16/041006

Inventors:

- Santa Clara CA, US
Yuchen Zhou - Newark CA, US
Xiao Zhang - San Jose CA, US
Fang Liu - Santa Clara CA, US

International Classification:

H04L 29/06
G06F 17/30

Abstract:

The technology presented herein enables malicious websites to be discovered based on web analytics identifiers associated therewith. In a particular embodiment, a method provides obtaining information about one or more first websites that are known to be malicious. The method further provides identifying one or more first analytics identifiers that are each associated with at least one of the first websites and identifying one or more second websites that are each associated with at least one of the first analytics identifiers.

US Patent:

20190130320, May 2, 2019

Filed:

Nov 2, 2017

Appl. No.:

15/802394

Inventors:

- San Francisco CA, US
Robert Zeller - Burlingame CA, US
Chen Peng - Sunnyvale CA, US
Benjamin Morris Dreier - San Franciscco CA, US
Xiao Zhang - San Francisco CA, US
Joseph McCarthy - San Francisco CA, US

International Classification:

G06Q 10/04
H04W 4/02
H04L 29/08

Abstract:

A network computer system operates to arrange transport for delivery orders in a given region, in accordance with a set of provisioning parameters, including a service value parameter, and at least one of a service batching parameter or a service range parameter. For an upcoming time interval, the network computer system determines a forecast for at least one of a number of service requests or a number of available service providers. A provisioning level determination may be made for the given region during the upcoming time interval, based at least in part on the forecast. The set of provisioning parameters may be adjusted to adjust the provisioning level to a desired target.