1
Kinam Park, Jun Chen, Haesun Park: Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties. Purdue Research Foundation, James H Meadows, August 7, 2001: US06271278 (173 worldwide citation)

A superporous hydrogel composite is formed by polymerizing one or more ethylenically-unsaturated monomers, and a multiolefinic crosslinking agent, in the presence of particles of a disintegrant and a blowing agent. The disintegrant, which rapidly absorbs water, serves to greatly increase the mechani ...


2
Navin Kabra, Jignesh M Patel, Jie Bing Yu, Biswadeep Nag, Jian Jun Chen: Method and apparatus for parallel execution of SQL from stored procedures. NCR Corporation, Gates & Cooper, January 14, 2003: US06507834 (118 worldwide citation)

A method, apparatus, and an article of manufacture for parallel execution of SQL operations from stored procedures. One or more embodiments of the invention provide the stored procedure (stored procedure) with a C++ class (hereinafter referred to as “dispatcher”) that can take an SQL query ...


3
Valerian Mayega, Jun Chen, James L Krug, David W Evans: Single inductor dual output buck converter with frequency and time varying offset control. Texas Instruments Incorporated, J Dennis Moore, W James Brady III, Frederick J Telecky Jr, June 13, 2006: US07061214 (113 worldwide citation)

A single-inductor dual-output buck converter and control method that facilitates power conversion by converting a single DC power source/supply into two separate DC outputs, each of which can be configured to provide a selected/desired voltage by selection of respective duty cycles. The topology of ...


4
Duan Jun Chen: Fiber optic direct-sensing bioprobe using a phase-tracking approach. Duan Jun Chen, Peter L Michaelson, John C Pokotylo, Michaelson & Wallace, September 8, 1998: US05804453 (103 worldwide citation)

A fiber optic bioprobe in which an immobilized biolayer, such as an antigen or antibody, acts as a sensing etalon of a Fabry-Perot interferometer. The bioprobe is used in a system in which a shift in the spectral dispersion pattern, caused by reflected out-of-phase beams, is used to determine a conc ...


5
Jun Chen, Seong BongJo, Kinam Park: Hydrophilic, hydrophobic, and thermoreversible saccharide gels and forms, and methods for producing same. Purdue Research Foundation, McDermott Will & Emery, January 25, 2000: US06018033 (75 worldwide citation)

Polymerizable saccharide monomers are made by the reaction of a saccharose and a (meth)acrylate. Hydrophilic, hydrophobic and thermoreversible gels and foams are formed upon polymerization of the saccharide monomers. Hydrophilic sucrose monomers are synthesized by reaction of sucrose with an epoxy a ...


6
Jun Chen, Guanming Lai, Kazuo Ishizuka, Akira Tonomura: Aberration correction method and aberration correction apparatus. Research Development Corporation of Japan, Akira Tonomura, Armstrong Westerman Hattori McLeland & Naughton, June 20, 1995: US05426521 (67 worldwide citation)

A method of and apparatus for efficiently correcting an aberration of an optical system used to record a hologram at the stage of reconstructing an image of the hologram. At the stage of reconstructing an image of a hologram (3), which contains the record of interference fringes formed by a referenc ...


7
Jun Chen, Joon Suan Ong, Jason Marc Simmons, Arjun Singh, Michael John Wakerly: Method and system for discovering network paths. Google, Park Vaughan & Fleming, Shun Yao, July 20, 2010: US07760735 (49 worldwide citation)

One embodiment of the present invention provides a system that identifies network switches along a path. During operation, the system receives an address of a source node and an address of a destination node. The system maintains a set of topology information for a network. The system further simula ...


8
Jin Yu, Jun Chen, Hseuping Chen: Method and system for providing virtual access to information distributed across heterogeneous catalog servers. Martsoft Corporation, Sawyer Law Group, November 29, 2005: US06970840 (41 worldwide citation)

A method and system for providing virtual access to product/service information distributed across heterogeneous catalog systems is disclosed. The method and system include subscribing a first catalog server to at least a portion of the information stored on one or more remote catalog systems, there ...


9
Navin Kabra, Jignesh M Patel, Jie Bing Yu, Biswadeep Nag, Jian Jun Chen: Method and apparatus for parallel execution of trigger actions. NCR Corporation, Gates & Cooper, May 4, 2004: US06732084 (37 worldwide citation)

A method and apparatus for parallel execution of trigger actions. One or more embodiments of the invention comprise providing a C++ class (hereinafter referred to as “dispatcher”) that can take an SQL query or trigger action and start parallel execution of the trigger action. The trigger a ...


10
Hong Tan, Duan Jun Chen, Yushan Tan, Krista Leah Witte: Fiber-optic assay apparatus based on phase-shift interferometry. ForteBio, Fenwick & West, July 1, 2008: US07394547 (30 worldwide citation)

Apparatus and method for detecting the presence or amount or rate of binding of an analyte in a sample solution is disclosed. The apparatus includes an optical assembly having first and second reflecting surfaces separated by a distance “d” greater than 50 nm, where the first surface is formed by a ...