Li Wang

US Patent:

6560378, May 6, 2003

Filed:

Aug 2, 2001

Appl. No.:

09/921791

Inventors:

Weimin Liu - Sunnyvale CA
Li Wang - San Jose CA

Assignee:

Alliance Fiber Optic Products, Inc. - Sunnyvale CA

International Classification:

G02B 600

US Classification:

385 11, 354483, 354494, 385 33, 385 34

Abstract:

The present invention, generally speaking, provides compact design of optical couplers for combining two differently polarized light beams onto a collimator or splitting a composed light beam into two differently polarized light beams. According to another embodiment, the size of the polarization beam combiner is minimized by using a pair of specially designed fiber collimators that use an asymmetrical sleeve. As a result, a coupler, according to the present invention, uses less components, is of small in size and provides an easy-aligning structure. Further the coupler offers lower optical insertion loss with minimized physical size.

US Patent:

6792183, Sep 14, 2004

Filed:

Nov 16, 2001

Appl. No.:

09/990487

Inventors:

Yuqiao Liu - Sunnyvale CA
Li Wang - San Jose CA
Zhupei Shi - San Jose CA
Wei-Shin Tsay - Saratoga CA

Assignee:

Alliance Fiber Optic Products, Inc. - Sunnyvale CA

International Classification:

G02B 626

US Classification:

385 52, 385 49, 385136, 385137

Abstract:

Techniques for bonding aligned optical parts to a substrate are disclosed. According to one embodiment, one or more wedges are used to fill in gaps between aligned optical parts and a substrate. Using an appropriate material, the wedges are respectively slid in till respective contacts between the aligned optical parts and the wedges are established, a small amount of a bonding agent is then only applied to the respect contacts. As a result, the shrinkage that may be caused by the bonding agent to destabilize the aligned optical parts is minimized and the alignments among the optical parts are preserved and can sustain under very high environmental stresses.

US Patent:

6943938, Sep 13, 2005

Filed:

May 10, 2002

Appl. No.:

10/144596

Inventors:

Yuqiao Liu - Sunnyvale CA, US
Li Wang - San Jose CA, US
Wei-Shin Tsay - Saratoga CA, US

Assignee:

Alliance Fiber Optic Products, Inc. - Sunnyvale CA

International Classification:

H01S003/00
G02B006/42
H04J014/02

US Classification:

3593372, 385 18, 398 82, 398 85

Abstract:

Improved designs of optical devices for processing optical signals with own or more specified wavelengths are disclosed. According to embodiment, a filter mirror assembly appears an “L” shape and provides a filtering function as well as a reflecting function. The filter mirror assembly is so mounted that a rotation thereof will not alter the optical path the beam positions of signals resulted from the filter mirror assembly.

US Patent:

7125693, Oct 24, 2006

Filed:

Aug 11, 2003

Appl. No.:

10/639159

Inventors:

S. Christopher Davis - San Francisco CA, US
John H. Grate - Los Altos CA, US
David R. Gray - Walnut Creek CA, US
John M. Gruber - Mountain View CA, US
Gjalt W. Huisman - San Carlos CA, US
Steven K. Ma - Foster City CA, US
Lisa M. Newman - Redwood City CA, US
Roger Sheldon - Rijswijk, NL
Li A Wang - Palo Alto CA, US

Assignee:

Codexis, Inc. - Redwood City CA

International Classification:

C12P 13/00

US Classification:

435128

Abstract:

The present invention provides methods and compositions for preparing 4-substituted 3-hydroxybutyric acid derivatives by halohydrin dehalogenase-catalyzed conversion of 4-halo-3-hydroxybutyric acid derivatives. The present invention further provides methods and compositions for preparing 4-halo-3-hydroxybutyric acid derivatives by ketoreductase-catalyzed conversion of 4-halo-3-ketobutyric acid derivatives.

US Patent:

7132267, Nov 7, 2006

Filed:

Feb 18, 2004

Appl. No.:

10/782258

Inventors:

S. Christopher Davis - San Francisco CA, US
John H. Grate - Los Altos CA, US
David R. Gray - Walnut Creek CA, US
John M. Gruber - Mountain View CA, US
Gjalt W. Huisman - San Carlos CA, US
Steven K. Ma - Foster City CA, US
Lisa M. Newman - Redwood City CA, US
Roger Sheldon - Rijswijk, NL
Li A Wang - Newbury Park CA, US

Assignee:

Codexis, Inc. - Redwood City CA

International Classification:

C12P 13/00

US Classification:

435128

Abstract:

The present invention provides methods and compositions for preparing 4-substituted 3-hydroxybutyric acid derivatives by halohydrin dehalogenase-catalyzed conversion of 4-halo-3-hydroxybutyric acid derivatives. The present invention further provides methods and compositions for preparing 4-halo-3-hydroxybutyric acid derivatives by ketoreductase-catalyzed conversion of 4-halo-3-ketobutyric acid derivatives The present invention also provides methods and compositions for preparing vicinal cyano, hydroxyl substituted carboxylic acid esters.

US Patent:

7751719, Jul 6, 2010

Filed:

Mar 30, 2007

Appl. No.:

11/731727

Inventors:

Li L. Wang - Fremont CA, US
Song Q. Shang - Palo Alto CA, US

Assignee:

Intel Corporation - Santa Clara CA

International Classification:

H04B 10/12

US Classification:

398155, 398154, 398182

Abstract:

An electrical return to zero (RZ) encoder converts non-return to zero (NRZ) data, into of RZ data patterns with a flexibility for duty cycle adjustment so that any RZ data pattern may be provided for a specific application's need. A duty cycle of>50% or

US Patent:

7807423, Oct 5, 2010

Filed:

Aug 10, 2006

Appl. No.:

11/502745

Inventors:

S. Christopher Davis - San Francisco CA, US
John H. Grate - Los Altos CA, US
David R. Gray - Walnut Creek CA, US
John M. Gruber - Mountain View CA, US
Gjalt W. Huisman - San Carlos CA, US
Steven K. Ma - Foster City CA, US
Lisa M. Newman - Redwood City CA, US
Roger Sheldon - Rijswijk, NL
Li A Wang - Newbury Park CA, US

Assignee:

Codexis, Inc. - Redwood City CA

International Classification:

C12P 13/00
C12P 7/62
C12N 9/88

US Classification:

435128, 435135, 435232

Abstract:

The present invention provides methods and compositions for preparing 4-substituted 3-hydroxybutyric acid derivatives by halohydrin dehalogenase-catalyzed conversion of 4-halo-3-hydroxybutyric acid derivatives. The present invention further provides methods and compositions for preparing 4-halo-3-hydroxybutyric acid derivatives by ketoreductase-catalyzed conversion of 4-halo-3-ketobutyric acid derivatives The present invention also provides methods and compositions for preparing vicinal cyano, hydroxyl substituted carboxylic acid esters.

US Patent:

20100077135, Mar 25, 2010

Filed:

Jul 9, 2009

Appl. No.:

12/499859

Inventors:

Rong Li - San Diego CA, US
Yuefeng Jin - San Diego CA, US
Li Wang - San Diego CA, US

Assignee:

VIA TELECOM, INC. - San Diego CA

International Classification:

G06F 12/02
G06F 12/00

US Classification:

711103, 711E12001, 711E12008

Abstract:

A wear leveling method for a non-volatile memory is provided. The non-volatile memory includes a plurality of data blocks, each corresponding to a time value. The data blocks are arranged according to a sequence of the time values corresponding thereto. The arranged blocks form a key table. An erase operation is determined whether to be executed for the data blocks. When the erase operation is executed for the data blocks, the corresponding data block is erased according to a sequence of the time values of the data blocks in the key table.