David Hsu

US Patent:

6573486, Jun 3, 2003

Filed:

Feb 22, 2002

Appl. No.:

10/080760

Inventors:

Joseph A. Ratkovic - Los Angeles CA
Samuel N. Fersht - Studio City CA
Robert D. Curby - Thousand Oaks CA
Allan J. Brockstein - Chatsworth CA
David Y. Hsu - Agoura Hills CA

Assignee:

Northrop Grumman Corporation - Woodland Hills CA

International Classification:

F41G 700

US Classification:

244 32, 244 315, 701207, 701213, 701214, 701216, 34235701, 34235706

Abstract:

A projectile guidance system without gyros in which the projectile has an orthogonal body coordinate system. The projectile has a triax of accelerometers providing x, y and z acceleration data measured along the x, y and z axes respectively. A GPS antenna and receiver means provides onboard GPS position and velocity data in earth referenced navigational coordinates. A computer and program means stores and accesses time indexed GPS position and GPS velocity data and transforms x, y and z axis acceleration data from body to navigation coordinates. The program means is responsive to corresponding time indexed acceleration data and to GPS velocity and position data for calculating and outputing an estimated projectile roll, pitch and yaw angle via optimal smoothing techniques with respect to local level for each time index iteration of present position to a flight control system for guiding the projectile to a predetermined location.

US Patent:

6818439, Nov 16, 2004

Filed:

Dec 30, 1997

Appl. No.:

09/001039

Inventors:

Douglas J. Jolly - Leucadia CA
Stephen Chang - Poway CA
James G. Respess - Pacific Beach CA
Nicholas J. DePolo - Solano Beach CA
David Chi-Tang Hsu - San Diego CA
Carlos E. Ibanez - San Diego CA
Judith Greengard - San Diego CA
Lee Will - Carlsbad CA

Assignee:

Chiron Corporation - Emeryville CA

International Classification:

C12N 15867

US Classification:

4353201, 4352351, 435 691, 435 696, 530350, 530384, 536 231, 536 235

Abstract:

Methods are provided for obtaining measurable levels of a protein, nucleic acid molecule, or enzymatic product in a bodily fluid or cells of a human, comprising the step of administering to a human a recombinant retroviral preparation having a titer on HT1080 cells of greater than 10 cfu/ml, wherein the recombinant retroviral preparation is capable of directing the expression of a protein, nucleic acid molecule, or enzyme which generates an enzymatic product, such that measurable levels of the protein, nucleic acid molecule, or enzymatic product may be obtained in the bodily fluid or cells of the human.

US Patent:

7005144, Feb 28, 2006

Filed:

Dec 23, 2002

Appl. No.:

10/325746

Inventors:

David H. Hsu - Diamond Bar CA, US
Eve Szu-Ju Chen - Diamond Bar CA, US

International Classification:

A61K 35/32

US Classification:

424549

Abstract:

An antler composition and its manufacturing process are disclosed, the composition comprises an antler extract mixture and a matrix which comprises β-cyclodextrin, a higher ester compound, a proteinase inhibitor, and an organic solvent; wherein the weight ratio of the matrix to the antler extract mixture is between 1:1. 5 and 1:2. 7. The antler composition poses excellent activities and stable properties to be released steadily in human body. The present invention also relates to the antler extract mixture and the process for preparing the antler composition and the antler extract mixture.

US Patent:

7359038, Apr 15, 2008

Filed:

Jun 22, 2006

Appl. No.:

11/472690

Inventors:

Patrick J. Donoghue - Northridge CA, US
David Y. Hsu - Agoura Hills CA, US

International Classification:

G01C 3/08

US Classification:

356 408, 342458, 701208, 701225

Abstract:

Ground targets can be passively identified on uneven terrain from an observation point elevation above a known reference point, a line-of-sight inclination angle, an azimuth angle and a digital terrain elevation database wherein actual elevations of surrounding latitude and longitude coordinates are stored and retrievable. Using the observation point's elevation above the known reference point and using the line-of-sight elevation angle from the observation point to the ground target, an initial estimate of the latitude and longitude coordinates of the ground target is made and used as an index into a digital terrain elevation database.

US Patent:

D602408, Oct 20, 2009

Filed:

Aug 26, 2008

Appl. No.:

29/323436

Inventors:

David Hsu - Norco CA, US

International Classification:

1216

US Classification:

D12159

US Patent:

7733106, Jun 8, 2010

Filed:

Sep 15, 2006

Appl. No.:

11/532494

Inventors:

Benjamin N. Eldridge - Danville CA, US
David S. Hsu - San Jose CA, US
Igor Y. Khandros - Orinda CA, US
Charles A. Miller - Fremont CA, US

Assignee:

FormFactor, Inc. - Livermore CA

International Classification:

G01R 31/02

US Classification:

324755, 324754, 3241581, 438113

Abstract:

An exemplary die carrier is disclosed. In some embodiments, the die carrier can hold a plurality of singulated dies while the dies are tested. The dies can be arranged on the carrier in a pattern that facilities testing the dies. The carrier can be configured to allow interchangeable interfaces to different testers to be attached to and detached from the carrier. The carrier can also be configured as a shipping container for the dies.

US Patent:

D624460, Sep 28, 2010

Filed:

Aug 26, 2008

Appl. No.:

29/323438

Inventors:

David Hsu - Norco CA, US

Assignee:

Group-A Autosports, Inc. - Norco CA

International Classification:

1216

US Classification:

D12159

US Patent:

D624474, Sep 28, 2010

Filed:

Jan 28, 2010

Appl. No.:

29/354743

Inventors:

David Hsu - Norco CA, US
Charles Madrid - Alhambra CA, US

Assignee:

Group-A Autosports, Inc. - Norco CA

International Classification:

1216

US Classification:

D12194