Patents by Inventor Yong Yu Liu
Yong Yu Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170216329Abstract: Water-soluble, cell-permeable nanomicelles containing ceramides and a steviol glycoside, such as rubusoside, are disclosed. The ceramide-steviol glycoside complex has high water solubility, and can be used for treating cancers with p53 mutations. Preliminary results have shown that the Cer nanomicelles are effective in restoring p53 protein expression, and that they are functionally dominant over p53 mutants. The novel nanomicelles restore a wild-type phenotype, and have very low toxicity to noncancerous cells. The novel Cer nanomicelles may be used in treating p53-associated cancers.Type: ApplicationFiled: May 6, 2015Publication date: August 3, 2017Applicants: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College, University of Louisiana at MonroeInventors: Zhijun Liur, Yong-Yu Liu
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Publication number: 20160311162Abstract: The invention relates generally to a color 3D printer based on ultraviolet (UV) energy-curable high quality color coating on transparent or translucent base material. More particularly, the invention deals with the use of a Light Emitting Diode (LED) UV-curable ink-jet printing technique with high spatial and color selectivity for coating the base material deposited using additive manufacturing technology in a repeated process for building color 3D object. Each layer of the deposited base material is selectively colored with 2D pattern based on the required 3D color representation of the 3D object, either effectively inside the build volume or on the build surface, or both effectively inside the build volume and on the build surface of the 3D object. The colored 3D object formed using the method described in the present invention is capable of achieving high quality color rendering at relatively high spatial and color resolutions.Type: ApplicationFiled: April 25, 2016Publication date: October 27, 2016Inventors: Yong Yu LIU, Woo Seow Keat THOMAS
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Patent number: 8279451Abstract: One aspect of the present disclosure provides a probing apparatus with on-probe device-mapping function. A probing apparatus according to this aspect of the present disclosure comprises a housing, at least one probe stage positioned on the housing and configured to retain at least one probe, a device holder positioned in the housing and configured to receive at least one semiconductor device under test, and an inspection module having a predetermined field of view configured to capture an image showing at least the semiconductor device, wherein the probe stage includes a driving unit configured to move the probe out of focus of the inspection module in a mapping phase while keeping the device under test in the field of view of the optical inspection module.Type: GrantFiled: June 9, 2010Date of Patent: October 2, 2012Assignee: Star Technologies Inc.Inventors: Yong Yu Liu, Choon Leong Lou, Lai Peng Chew
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Publication number: 20110304857Abstract: One aspect of the present disclosure provides a probing apparatus with on-probe device-mapping function. A probing apparatus according to this aspect of the present disclosure comprises a housing, at least one probe stage positioned on the housing and configured to retain at least one probe, a device holder positioned in the housing and configured to receive at least one semiconductor device under test, and an inspection module having a predetermined field of view configured to capture an image showing at least the semiconductor device, wherein the probe stage includes a driving unit configured to move the probe out of focus of the inspection module in a mapping phase while keeping the device under test in the field of view of the optical inspection module.Type: ApplicationFiled: June 9, 2010Publication date: December 15, 2011Applicant: STAR TECHNOLOGIES INC.Inventors: Yong Yu Liu, Choon Leong Lou, Lai Peng Chew
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Patent number: 7986157Abstract: A probing apparatus for semiconductor devices includes a housing configured to define a testing chamber, a device holder positioned in the housing and configured to receive at least one device under test, and at least one probe stage positioned in the housing. In one embodiment of the present disclosure, the probe stage includes a base, a retaining arm pivotally coupled with the base and having a retaining portion configured to retain at least one probe, and a stepper positioned on the base. In one embodiment of the present disclosure, the stepper is configured in response to an electric signal to move the probe downward through the retaining arm to contact a device under test and to move the probe upward through the retaining arm to separate from the device under test such that the up-and-down movement of the probe can be performed at relatively high frequency of typically greater than six cycles per second.Type: GrantFiled: September 2, 2010Date of Patent: July 26, 2011Assignee: Star Technologies Inc.Inventor: Yong Yu Liu
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Publication number: 20100118297Abstract: A microscope includes an object splitter configured to split the object image into a first optical path and a second optical path, a first imaging module positioned on the first path and a second imaging module positioned on the second path. The object splitter includes a first beam splitter configured to direct an illumination light to an object, an objective lens configured to collect the reflected light from the object and couple the reflected light on the first beam splitter, and a second beam splitter configured to split the reflected light into the first optical path and the second optical path, wherein the distance between the object and the objective lens is constant.Type: ApplicationFiled: January 19, 2010Publication date: May 13, 2010Applicant: STAR TECHNOLOGIES INC.Inventors: YONG YU LIU, CHOON LEONG LOU
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Publication number: 20090128897Abstract: A microscope comprises an object splitter and a plurality of image-outputting devices configured to receive object images. The object splitter includes a first beam splitter configured to direct an illumination light to an object, a positive lens configured to collect a reflected light from the object and focus the reflected light on the first beam splitter, a second beam splitter configured to split the reflected light into a plurality of optical paths and a plurality of negative lenses positioned on the optical paths to render object images. A probing apparatus for an integrated circuit device comprises at least one probe pin configured to contact a pad of the integrated circuit device and a microscope including an object splitter and a plurality of image-outputting devices configured to receive images from the object splitter.Type: ApplicationFiled: January 17, 2008Publication date: May 21, 2009Applicant: Star Technologies Inc.Inventors: Yong Yu Liu, Choon Leong Lou
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Patent number: 6911656Abstract: A mechanical scanning stage for high speed image acquisition in a focused beam system. The mechanical scanning stage preferably is a combination of four stages. A first stage provides linear motion. A second stage, above the first stage, provides rotational positioning. A third stage above the rotational stage is moveable in a first linear direction, and the fourth stage above the third stage is positionable in a second linear direction orthogonal to the first direction. The four stages are responsive to input from a controller programmed with a polar coordinate pixel addressing method, for positioning a specimen mounted on the mechanical stage to allow an applied static focus beam to irradiate selected areas of interest, thereby imaged by collecting signals from the specimen using a polar coordinate pixel addressing method.Type: GrantFiled: July 1, 2004Date of Patent: June 28, 2005Assignee: National University of SingaporeInventors: Yong Yu Liu, Daniel S. H. Chan, Jacob C. H. Phang
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Publication number: 20040251425Abstract: A mechanical scanning stage for high speed image acquisition in a focused beam system. The mechanical scanning stage preferably is a combination of four stages. A first stage provides linear motion. A second stage, above the first stage, provides rotational positioning. A third stage above the rotational stage is moveable in a first linear direction, and the fourth stage above the third stage is positionable in a second linear direction orthogonal to the first direction. The four stages are responsive to input from a controller programmed with a polar coordinate pixel addressing method, for positioning a specimen mounted on the mechanical stage to allow an applied static focus beam to irradiate selected areas of interest, thereby imaged by collecting signals from the specimen using a polar coordinate pixel addressing method.Type: ApplicationFiled: July 1, 2004Publication date: December 16, 2004Inventors: Yong Yu Liu, Daniel S.H. Chan, Jacob C.H. Phang
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Patent number: 6777688Abstract: A mechanical scanning stage for high speed image acquisition in a focused beam system. The mechanical scanning stage preferably is a combination of four stages. A first stage provides linear motion. A second stage, above the first stage, provides rotational positioning. A third stage above the rotational stage is moveable in a first linear direction, and the fourth stage above the third stage is positionable in a second linear direction orthogonal to the first direction. The four stages are responsive to input from a controller programmed with a polar coordinate pixel addressing method, for positioning a specimen mounted on the mechanical stage to allow an applied static focus beam to irradiate selected areas of interest, thereby imaged by collecting signals from the specimen using a polar coordinate pixel addressing method.Type: GrantFiled: September 16, 2002Date of Patent: August 17, 2004Assignee: National University of SingaporeInventors: Yong Yu Liu, Daniel S. H. Chan, Jacob C. H. Phang
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Publication number: 20040051049Abstract: A mechanical scanning stage for high speed image acquisition in a focused beam system. The mechanical scanning stage preferably is a combination of four stages. A first stage provides linear motion. A second stage, above the first stage, provides rotational positioning. A third stage above the rotational stage is moveable in a first linear direction, and the fourth stage above the third stage is positionable in a second linear direction orthogonal to the first direction. The four stages are responsive to input from a controller programmed with a polar coordinate pixel addressing method, for positioning a specimen mounted on the mechanical stage to allow an applied static focus beam to irradiate selected areas of interest, thereby imaged by collecting signals from the specimen using a polar coordinate pixel addressing method.Type: ApplicationFiled: September 16, 2002Publication date: March 18, 2004Inventors: Yong Yu Liu, Daniel S.H. Chan, Jacob C.H. Phang
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Publication number: 20030095953Abstract: This invention relates in general to methods and compositions for reversing the drug resistance of cancer cells. In particular this invention is directed to inhibition of drug resistance in cancer cells or to the induction of apoptosis in cancer cells by the use of glucosylceramide synthase antisense compounds. This invention is further directed to compositions comprising glucosylceramide synthase antisense compounds and a kit or drug delivery system comprising the compositions.Type: ApplicationFiled: November 12, 1999Publication date: May 22, 2003Inventors: MYLES C. CABOT, YONG-YU LIU
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Patent number: 5724131Abstract: An integrated emission microscope with an emitted radiation detection system for collecting and analyzing radiation from a device under test. A semi-ellipsoidal mirror of high ellipticity directs emitted radiation from the device under test through an aperture to a radiation guide, Which transmits the radiation to spectral analyzer. The device under test may be mounted on a scanning stage. The system permits high spatial resolution selected area spectroscopic analysis, panchromatic imaging, and spectroscopic mapping of the emitted radiation from the device under test.Type: GrantFiled: August 4, 1995Date of Patent: March 3, 1998Assignee: The National University of SingaporeInventors: Wai Kin Chim, Daniel Siu Hung Chan, Jacob Chee Hong Phang, Jing Mei Tao, Yong Yu Liu
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Patent number: RE43757Abstract: A mechanical scanning stage for high speed image acquisition in a focused beam system. The mechanical scanning stage preferably is a combination of four stages. A first stage provides linear motion. A second stage, above the first stage, provides rotational positioning. A third stage above the rotational stage is moveable in a first linear direction, and the fourth stage above the third stage is positionable in a second linear direction orthogonal to the first direction. The four stages are responsive to input from a controller programmed with a polar coordinate pixel addressing method, for positioning a specimen mounted on the mechanical stage to allow an applied static focus beam to irradiate selected areas of interest, thereby imaged by collecting signals from the specimen using a polar coordinate pixel addressing method.Type: GrantFiled: June 28, 2007Date of Patent: October 23, 2012Assignee: National University of SingaporeInventors: Yong Yu Liu, Daniel S. H. Chan, Jacob C. H. Phang