Jun L Liu

US Patent:

8037656, Oct 18, 2011

Filed:

Aug 8, 2008

Appl. No.:

12/188731

Inventors:

David C. Liu - Marietta GA, US
Jun Liu - Marietta GA, US

International Classification:

E04B 2/08

US Classification:

525891, 525902, 525911, 525914, 525921

Abstract:

A hardwood floor system with press down locking mechanism. Each floor board is equipped with both male and female locking mechanisms. The male locking mechanism of a floor board can be locked into the female locking mechanism of an adjacent floor board by simply exerting downward force on the floor board. The female locking mechanism is equipped with a spring slot that enables easy engagement of male and female locking mechanisms. The invention may be applied not only floor boards, but also to wall tiles and roof tiles.

US Patent:

7993271, Aug 9, 2011

Filed:

May 17, 2007

Appl. No.:

11/750161

Inventors:

Jun Liu - Columbus OH, US
Mauro Ferrari - Dublin OH, US
Stanislav I. Rokhlin - Columbus OH, US
Daniel D. Sedmak - Columbus OH, US

Assignee:

The Ohio State University - Columbus OH

International Classification:

A61B 8/00

US Classification:

600437, 600442, 600446

Abstract:

A system and method for screening tissue is provided. The system provides a computer-based system for distinguishing between normal and potentially abnormal tissue. The system includes computer components for generating and receiving ultrasonic waves, for storing a tissue model, and for analyzing received ultrasonic waves in the context of the tissue model.

US Patent:

20040064050, Apr 1, 2004

Filed:

Sep 20, 2002

Appl. No.:

10/251309

Inventors:

Jun Liu - Columbus OH, US
Mauro Ferrari - Dublin OH, US
Stanislav Rokhlin - Columbus OH, US
Daniel Sedmak - Columbus OH, US

International Classification:

A61B008/14

US Classification:

600/457000

Abstract:

A system and method for screening tissue is provided. The system provides a computer-based system for distinguishing between normal and potentially abnormal tissue. The system includes computer components for generating and receiving ultrasonic waves, for storing a tissue model, and for analyzing received ultrasonic waves in the context of the tissue model.

US Patent:

20080300485, Dec 4, 2008

Filed:

Apr 28, 2008

Appl. No.:

12/110381

Inventors:

Jun Liu - Columbus OH, US
Cynthia J. Roberts - Columbus OH, US

Assignee:

THE OHIO STATE UNIVERSITY - Columbus OH

International Classification:

A61B 8/00

US Classification:

600438

Abstract:

A system and a method for non-invasively ultrasonically measuring biomechanical properties of ocular tissue in vivo is presented. The method comprises positioning an ultrasonic transducer proximally to the ocular tissue. Reflections of the ocular tissue can be ultrasonically obtained using the ultrasonic transducer. The ultrasonic reflections can be converted into reflection spectra. Biomechanical properties of the ocular tissue, such as, for example, thickness, corneal stiffness, density, and longitudinal modulus, can be determined based on the reflection spectra. A wave propagation model can be developed to simulate ultrasound propagation of ocular tissue in vivo. The ultrasonic non-destructive evaluation method and system for the non-invasive measuring of reflection spectra and determining biomechanical properties of ocular tissue in vivo can provide information for ocular disease management and therapeutic and refractive procedures.