Jae Kyung Kwon

US Patent:

7332127, Feb 19, 2008

Filed:

Jul 11, 2002

Appl. No.:

10/194996

Inventors:

Eun Sok Kim - Torrance CA, US
Jae Wan Kwon - Los Angeles CA, US

Assignee:

University of Southern California - Los Angeles CA

International Classification:

B01L 3/02

US Classification:

422100, 422 63, 422 65

Abstract:

A DNA probe synthesis system may include a target holder for holding a target chip, an ejector array chip, a wash and dry station, and conveyance means for moving the target holder and the chip between the ejector array chip and the wash and dry station. The ejector array chip may include ejectors, reservoirs for containing DNA bases, and microchannels all on the same substrate. The ejectors may be Self Focusing Acoustic Transducers (SFATs).

US Patent:

7824630, Nov 2, 2010

Filed:

Feb 19, 2008

Appl. No.:

12/033845

Inventors:

Eun Sok Kim - Torrance CA, US
Jae Wan Kwon - Los Angeles CA, US

Assignee:

University of Southern California - Los Angeles CA

International Classification:

G01N 1/10
B01L 3/02

US Classification:

422180, 422100, 422 63, 422 65

Abstract:

A DNA probe synthesis system may include a target holder for holding a target chip, an ejector array chip, a wash and dry station, and conveyance means for moving the target holder and the chip between the ejector array chip and the wash and dry station. The ejector array chip may include ejectors, reservoirs for containing DNA bases, and microchannels all on the same substrate. The ejectors may be Self Focusing Acoustic Transducers (SFATs).

US Patent:

20220379296, Dec 1, 2022

Filed:

Aug 11, 2022

Appl. No.:

17/819201

Inventors:

Jae Go Kwon - Winnetka CA, US

International Classification:

B01L 3/18
F16H 55/26
F16H 55/20
C12M 1/26

Abstract:

The laboratory device includes an elongated handle with ergonomic grips. The device has a center recess for a rod to slide or rotate. The blade head attaches at the distal end of the elongated handle. The rod has geared teeth that interact and mesh with the gears on the blade head allowing the user to manipulate the angle of the blade head via rod. The rod in the proximal position of the handle is disposed at an acute angle relative to the longitudinal axis of the handle such that the blade head and handle are positioned for insertion into and removal of a tissue culture vessel. When the rod is moved distally or rotated the blade head position is disposed perpendicularly, acute or obtusely in relationship to the longitudinal axes of the handle such that the blade head provides optimal raking opportunities for the device to collect cell colonies.

US Patent:

20210372891, Dec 2, 2021

Filed:

Aug 17, 2021

Appl. No.:

17/404647

Inventors:

Jae Go Kwon - Thousand Oaks CA, US

International Classification:

G01N 1/31
B01L 3/00

Abstract:

A device is described that overlays a first fluid, such as blood or a cellular suspension onto a base material, such as a density gradient. In some embodiments, the fluid layering device includes a cylindrical reservoir, a fluid barrier, a coupling extension, a plunger, and an exhaust vent. The fluid layering device can be coupled through its coupling extension to an open end of a container, such as a conical centrifuge tube, including the density gradient. Once attached, the plunger may be lowered to a position above the surface of the density gradient. A first fluid may flow from the reservoir into the conical tube across the plunger, so that a suitable overlay is formed without substantially disturbing a surface of the density gradient.

US Patent:

20170197211, Jul 13, 2017

Filed:

Mar 28, 2017

Appl. No.:

15/471796

Inventors:

Jae Go KWON - Thousand Oaks CA, US

International Classification:

B01L 3/00

Abstract:

A device is described that overlays a first fluid, such as blood or a cellular suspension onto a base material, such as a density gradient. In some embodiments, the fluid layering device includes a cylindrical reservoir, a fluid barrier, a coupling extension, a plunger, and an exhaust vent. The fluid layering device can be coupled through its coupling extension to an open end of a container, such as a conical centrifuge tube, including the density gradient. Once attached, the plunger may be lowered to a position above the surface of the density gradient. A first fluid may flow from the reservoir into the conical tube across the plunger, so that a suitable overlay is formed without substantially disturbing a surface of the density gradient. The plunger may be buoyed upward by the first fluid during operation, providing a constant regulation of flow throughout overlaying, regardless of the care and skill of the user.

US Patent:

20140356898, Dec 4, 2014

Filed:

Aug 9, 2012

Appl. No.:

14/237516

Inventors:

Jae Go Kwon - Thousand Oaks CA, US

International Classification:

G01N 1/31

US Classification:

435 30, 4353091

Abstract:

A device is described that overlays a first fluid, such as blood or a cellular suspension onto a base material, such as a density gradient. In some embodiments, the fluid layering device includes a cylindrical reservoir, a fluid barrier, a coupling extension, a plunger, and an exhaust vent. The fluid layering device can be coupled through its coupling extension to an open end of a container, such as a conical centrifuge tube, including the density gradient. Once attached, the plunger may be lowered to a position above the surface of the density gradient. A first fluid may flow from the reservoir into the conical tube across the plunger, so that a suitable overlay is formed without substantially disturbing a surface of the density gradient. The plunger may be buoyed upward by the first fluid during operation, providing a constant regulation of flow throughout overlaying, regardless of the care and skill of the user.

Address:

3552 Chablis Dr, Brownsville, TX 78526

VIN:

2HNYD28267H510023

Make:

ACUR

Model:

MDX

Year:

2007