1
William A Edelstein, Harold J Vinegar, Chia Fu Hsu, Otward M Mueller: Balanced-line RF electrode system for use in RF ground heating to recover oil from oil shale. General Electric Company, Lawrence P Zale, Marvin Snyder, August 17, 1993: US05236039 (328 worldwide citation)

An in-situ method of extracting oil from a hydrocarbon bearing layer such as oil-shale or tar sands lying beneath a surface layer comprises applying a radiofrequency excitation signal to the hydrocarbon bearing layer through a system of electrodes. The electrodes are inserted into a matrix of holes ...


2
Chia Fu Hsu: Method of condensing vaporized water in situ to treat tar sands formations. Shell Oil Company, March 16, 2010: US07677314 (97 worldwide citation)

Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. Heat may be allowed to transfer from the heaters to at least a first portion of the formation. ...


3
Harold J Vinegar, William George Coit, Peter Terry Griffin, Paul Taylor Hamilton, Chia Fu Hsu, Stanley Leroy Mason, Allan James Samuel, Ronnie Wade Watkins: Grouped exposed metal heaters. Shell Oil Company, November 9, 2010: US07831134 (92 worldwide citation)

A system for treating a hydrocarbon containing formation is described. The system includes two or more groups of elongated heaters. The group includes two or more heaters placed in two or more openings in the formation. The heaters in the group are electrically coupled below the surface of the forma ...


4
Harold J Vinegar, Chia Fu Hsu: In situ conversion process systems utilizing wellbores in at least two regions of a formation. Shell Oil Company, September 27, 2011: US08027571 (72 worldwide citation)

A system for heating a subsurface formation is described. The system includes a plurality of elongated heaters located in a plurality of openings in the formation. At least two of the heaters are substantially parallel to each other for at least a portion of the lengths of the heaters. At least two ...


5
Zbigniew Janosik, Robert Wallace Roff, Chia Fu Hsu: Method of fabricating an optical module including a lens attached to a platform of the optical module. Princeton Lightwave, February 10, 2004: US06688783 (40 worldwide citation)

A method of fabricating an optical module includes attaching a lens to a platform of the optical module such that the lens remains in precise alignment with a light source (e.g., a laser diode) and a target optical fiber even after the lens is attached or fixed to the platform. The optical module in ...


6
Harold J Vinegar, William George Coit, Peter Terry Griffin, Paul Taylor Hamilton, Chia Fu Hsu, Stanley Leroy Mason, Allan James Samuel, Ronnie Wade Watkins: Grouped exposed metal heaters. Shell Oil Company, July 31, 2012: US08233782 (34 worldwide citation)

A system for treating a hydrocarbon containing formation is described. The system includes two or more groups of elongated heaters. The group includes two or more heaters placed in two or more openings in the formation. The heaters in the group are electrically coupled below the surface of the forma ...


7
Dan Botez, Peter S Zory, Chia Fu Hsu: Intersubband quantum box semiconductor laser. Wisconsin Alumni Research Foundation, Foley & Lardner, September 14, 1999: US05953356 (18 worldwide citation)

An intersubband quantum box laser structure includes an active structure having a two dimensional array of quantum boxes separated from one another in a semiconductor matrix. The quantum boxes are formed to suppress phonon-assisted transitions, and thus the transitions become primarily of the radiat ...


8
Zhibiao Zhou, Shao Hui Wu, Chi Fa Ku, Chen Bin Lin, Chun Yuan Wu, Chia Fu Hsu: Image sensor pixel structure. UNITED MICROELECTRONICS, Winston Hsu, Scott Margo, August 30, 2016: US09431441 (3 worldwide citation)

A back side illumination image sensor pixel structure includes a substrate having a front side and a back side opposite to the front side, a sensing device formed in the substrate to receive an incident light through the back side of the substrate, two oxide-semiconductor field effect transistor (OS ...


9
Chia Fu Hsu, Ronald Jan Schoonebeek: Methods for producing oil and/or gas. Shell Oil Company, March 20, 2012: US08136592 (2 worldwide citation)

A method for producing oil and/or gas comprising injecting a miscible enhanced oil recovery formulation into fractures, karsts, and/or vugs of a formation for a first time period from a first well; producing oil and/or gas from the fractures, karsts, and/or vugs from a second well for the first time ...


10
Chih Wei Yang, Yu Feng Liu, Jian Cun Ke, Chia Fu Hsu, Yu Ru Yang, En Chiuan Liou: Integrated circuit having plural transistors with work function metal gate structures. UNITED MICROELECTRONICS, Winston Hsu, Scott Margo, April 19, 2016: US09318389 (2 worldwide citation)

The present invention provides an integrated circuit including a substrate, a first transistor, a second transistor and a third transistor. The first transistor has a first metal gate including a first bottom barrier layer, a first work function metal layer and a first metal layer. The second transi ...