Patents by Inventor Richard Lau
Richard Lau 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: 20230287186Abstract: The present disclosure relates to thermoplastic resin modifier compositions, methods for converting the compositions into functional resins, and to plastic articles prepared from the resins.Type: ApplicationFiled: September 15, 2021Publication date: September 14, 2023Inventors: Yiu Ting Richard LAU, Cheuk Hung YIP, Zhao Jia Robert YAN
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Patent number: 11291992Abstract: A portable and completely self-contained apparatus(20) for detecting analyte and the methods of use thereof is described. The apparatus (20) includes a microfluidic cartridge driver unit (30), an optical inspection unit (32), and a control unit (28) and a power supply unit, which can run the binding and detection of the analyte without any fluidic interfaces to the instrument. The microfluidic cartridge driver unit (30) receives microfluidic cartridge (22) that holds a microarray and integrated microfluidic chip (24) for delivering the analyte to perform different process steps in the detection of analyte. A complete detection of analyte using the invention takes only a few minutes.Type: GrantFiled: August 5, 2015Date of Patent: April 5, 2022Assignee: Sanwa BioTech LtdInventors: Isabelle Cécile Angèle Dutry, Kin Sun Ip, Kelvin Chiu, Wai Lam William Yim, Yiu Ting Richard Lau
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Patent number: 11160276Abstract: Provided herein is a method for preparing antimicrobial thermoplastic resins and products thereof.Type: GrantFiled: December 11, 2019Date of Patent: November 2, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Wenjun Meng, Yueying Chen, Yui Ting Richard Lau, Sau Kuen Connie Kwok, Sheung Yin Li
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Patent number: 10836890Abstract: This invention discloses a transparent standalone resin or masterbatch concentrate composition and manufacturing method of transforming commercial transparent grade base thermoplastics into anti-biofouling resins through extrusion or any similar hot melt mixing processes. The re-compound solids enable a number of product reforming processes, including but not limited to thermoforming, profile extrusion, injection molding, blow molding, blow filming, film casting, and spinning into articles of different shapes and geometries or overmolding on plastic substrates that can resist surface adsorption of microbes, mammalian cells, proteins, peptides, nucleic acids, steroids and other cellular constituents after solidification. The articles formed thereof additionally exhibit mechanical reinforcement and no leaching while retain the optical clarity of the base thermoplastics in the same product form as quantified in terms of the light transmittance and haze.Type: GrantFiled: January 25, 2017Date of Patent: November 17, 2020Assignee: Nano and Advanced Materials Institute LimitedInventors: Yiu Ting Richard Lau, You Wu, Yueying Chen, Wenjun Meng, Sau Kuen Connie Kwok
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Publication number: 20200115534Abstract: This invention discloses a transparent standalone resin or masterbatch concentrate composition and manufacturing method of transforming commercial transparent grade base thermoplastics into anti-biofouling resins through extrusion or any similar hot melt mixing processes. The re-compound solids enable a number of product reforming processes, including but not limited to thermoforming, profile extrusion, injection molding, blow molding, blow filming, film casting, and spinning into articles of different shapes and geometries or overmolding on plastic substrates that can resist surface adsorption of microbes, mammalian cells, proteins, peptides, nucleic acids, steroids and other cellular constituents after solidification. The articles formed thereof additionally exhibit mechanical reinforcement and no leaching while retain the optical clarity of the base thermoplastics in the same product form as quantified in terms of the light transmittance and haze.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Wenjun MENG, Yueying CHEN, Yiu Ting Richard LAU
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Publication number: 20200107545Abstract: Provided herein is a method for preparing antimicrobial thermoplastic resins and products thereof.Type: ApplicationFiled: December 11, 2019Publication date: April 9, 2020Inventors: Wenjun MENG, Yueying CHEN, Yiu Ting Richard LAU, Sau Kuen Connie KWOK, Sheung Yin LI
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Patent number: 10548314Abstract: A built-in and process-adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer, a backbone linker, and a non-labile antifouling and biocompatible coupling agent which is melt-processable and enabled to be manufactured into finished products in the form of solid, monolith, tube, composite, fiber, film, sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed. The said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding, spinning, extrusion, molding, compression foaming and drawing. The antimicrobial property is attributed to the persistent formation of a non-stick bacteria-repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and/or surface migrated to the surface after product forming in order to minimize adsorption and/or colonization of bacteria.Type: GrantFiled: December 19, 2016Date of Patent: February 4, 2020Assignee: Nano and Advanced Materials Institute LimitedInventors: Yiu Ting Richard Lau, Sau Kuen Connie Kwok, Wenjun Meng, Sheung Yin Li, Yueying Chen
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Patent number: 10525614Abstract: A built-in and process-adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer, a backbone linker, and a non-labile antifouling and biocompatible coupling agent which is melt-processable and enabled to be manufactured into finished products in the form of solid, monolith, tube, composite, fiber, film, sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed. The said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding, spinning, extrusion, molding, compression foaming and drawing. The antimicrobial property is attributed to the persistent formation of a non-stick bacteria-repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and/or surface migrated to the surface after product forming in order to minimize adsorption and/or colonization of bacteria.Type: GrantFiled: January 8, 2016Date of Patent: January 7, 2020Assignee: Nano and Advanced Materials Institute LimitedInventors: Yiu Ting Richard Lau, Sau Kuen Connie Kwok, Wenjun Meng, Sheung Yin Li, Yueying Chen
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Publication number: 20180208753Abstract: This invention discloses a transparent standalone resin or masterbatch concentrate composition and manufacturing method of transforming commercial transparent grade base thermoplastics into anti-biofouling resins through extrusion or any similar hot melt mixing processes. The re-compound solids enable a number of product reforming processes, including but not limited to thermoforming, profile extrusion, injection molding, blow molding, blow filming, film casting, and spinning into articles of different shapes and geometries or overmolding on plastic substrates that can resist surface adsorption of microbes, mammalian cells, proteins, peptides, nucleic acids, steroids and other cellular constituents after solidification. The articles formed thereof additionally exhibit mechanical reinforcement and no leaching while retain the optical clarity of the base thermoplastics in the same product form as quantified in terms of the light transmittance and haze.Type: ApplicationFiled: January 25, 2017Publication date: July 26, 2018Inventors: Yiu Ting Richard LAU, You WU, Yueying CHEN, Wenjun MENG, Sau Kuen Connie KWOK
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Patent number: 10030108Abstract: The present invention generally relates to a thermoplastic resin which is functionalized by an initiator- or linker-free process and imparted with functional properties, and related methods of fabrication. In particular, the present invention relates to methods of covalently modifying the thermoplastic resin using plasma before or after being introduced with an active agent having said functional properties.Type: GrantFiled: March 13, 2017Date of Patent: July 24, 2018Assignee: Ka Shui Manufactory Co. Ltd.Inventors: Yiu Ting Richard Lau, Wenjun Meng, Luchi Lin, Sau Kuen Connie Kwok, Wai Chung Wong, Cheuk Nang Sung
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Publication number: 20170209862Abstract: A portable and completely self-contained apparatus(20) for detecting analyte and the methods of use thereof is described. The apparatus (20) includes a microfluidic cartridge driver unit (30), an optical inspection unit (32), and a control unit (28) and a power supply unit, which can run the binding and detection of the analyte without any fluidic interfaces to the instrument. The microfluidic cartridge driver unit (30) receives microfluidic cartridge (22) that holds a microarray and integrated microfluidic chip (24) for delivering the analyte to perform different process steps in the detection of analyte. A complete detection of analyte using the invention takes only a few minutes.Type: ApplicationFiled: August 5, 2015Publication date: July 27, 2017Inventors: Isabelle Cécile Angèle DUTRY, Kin Sun IP, Kelvin CHIU, Wai Lam William YIM, Yiu Ting Richard LAU
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Publication number: 20170135344Abstract: A built-in and process-adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer, a backbone linker, and a non-labile antifouling and biocompatible coupling agent which is melt-processable and enabled to be manufactured into finished products in the form of solid, monolith, tube, composite, fiber, film, sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed. The said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding, spinning, extrusion, molding, compression foaming and drawing. The antimicrobial property is attributed to the persistent formation of a non-stick bacteria-repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and/or surface migrated to the surface after product forming in order to minimize adsorption and/or colonization of bacteria.Type: ApplicationFiled: December 19, 2016Publication date: May 18, 2017Inventors: Yiu Tin Richard LAU, Sau Kuen Connie KWOK, Wenjun MENG, Sheung Yin LI, Yueying CHEN
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Publication number: 20170129139Abstract: A built-in and process-adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer, a backbone linker, and a non-labile antifouling and biocompatible coupling agent which is melt-processable and enabled to be manufactured into finished products in the form of solid, monolith, tube, composite, fiber, film, sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed. The said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding, spinning, extrusion, molding, compression foaming and drawing. The antimicrobial property is attributed to the persistent formation of a non-stick bacteria-repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and/or surface migrated to the surface after product forming in order to minimize adsorption and/or colonization of bacteria.Type: ApplicationFiled: January 8, 2016Publication date: May 11, 2017Inventors: Yiu Ting Richard LAU, Sau Kuen Connie KWOK, Wenjun MENG, Sheung Yin LI, Yueying CHEN
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Patent number: 8908530Abstract: A system and method for optimizing the efficiency of data sharing among a set of radio nodes in a radio environment is provided. The technique includes identifying a data unit and assigning it a class, identifying a connectivity type, computing a significance factor based on connectivity type and assigned class, mapping the significance factor to a priority factor, and scheduling output of the data unit based on the priority factor. A scheduler algorithm can be used for scheduling output. The class can be assigned based on which nodes of the set of radio nodes possess copies of the data unit at a given time. An arbitration process can be used to determine the priority factor. A significance factor weighting algorithm, based on how many nodes will be receiving the data and on how much a node needs the data, can be used to determine the significance factor.Type: GrantFiled: August 12, 2010Date of Patent: December 9, 2014Assignee: TTI Inventions C LLCInventors: Richard Lau, Heechang Kim, Bruce Siegell
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Patent number: 8874101Abstract: Methods and systems used to plan, optimize, and manage LTE femtocell networks describes an analytical framework and algorithms that allow analysis and planning of various femtocell aspects including dynamic adjustment of femtocell power for interference mitigation, and optimization according to user selectable policies. The framework recommends using a hybrid of both distributed control and centralized policy enforcement. An algorithm having two closely related aspects is provided. The first part is an Iterative and Distributed Algorithm (IDA), which is intended to be executed inside the femtocells. The second part of the algorithm is intended to be used as a toolset and is called Analytic Computational Algorithm (ACA), which is intended to be used in a centralized planning and operations center. The ACA provides a set of conditions that are used to check for convergence of the IDA.Type: GrantFiled: January 4, 2011Date of Patent: October 28, 2014Assignee: Telcordia Technologies, Inc.Inventor: Richard Lau
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Patent number: 8577362Abstract: A computer implemented method for determining geometric impact of anchor placement on localization accuracy and the subset of anchors which mitigates the impact of measurement-induced noise.Type: GrantFiled: October 5, 2011Date of Patent: November 5, 2013Assignee: Telcordia Technologies, Inc.Inventors: Yibei Ling, Richard Lau, Scott Alexander
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Publication number: 20120231786Abstract: A computer implemented method for determining geometric impact of anchor placement on localization accuracy and the subset of anchors which mitigates the impact of measurement-induced noise.Type: ApplicationFiled: October 5, 2011Publication date: September 13, 2012Applicant: TELCORDIA TECHNOLOGIES, INC.Inventors: Yibei Ling, Richard Lau, Scott Alexander
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Patent number: 8107395Abstract: A system and method for self and group location and tracking based on ultra wide band ranging among members of the group is presented. The system comprises an anchored station, a plurality of nodes, each node having at least knowledge of where the node is facing and heading, knowledge of all pair wise distances among all of the plurality of nodes, and ability to exchange information among the nodes and with the anchored station via relays. The system and method find a new position estimate of the group in accordance with an adaptive search process based on constraints of the ultra wide band ranging, and the search process enables extracting directional information and adaptively stabilizing orientation of the group. In one embodiment, adaptively stabilizing the orientation of the group is performed using an orientation-correcting polygon matching process.Type: GrantFiled: June 26, 2009Date of Patent: January 31, 2012Assignee: Telcordia Technologies, Inc.Inventors: Richard Lau, HeeChang Kim, Arnold L. Neidhardt
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Publication number: 20120009909Abstract: Methods and systems used to plan, optimize, and manage LTE femtocell networks describes an analytical framework and algorithms that allow analysis and planning of various femtocell aspects including dynamic adjustment of femtocell power for interference mitigation, and optimization according to user selectable policies. The framework recommends using a hybrid of both distributed control and centralized policy enforcement. An algorithm having two closely related aspects is provided. The first part is an Iterative and Distributed Algorithm (IDA), which is intended to be executed inside the femtocells. The second part of the algorithm is intended to be used as a toolset and is called Analytic Computational Algorithm (ACA), which is intended to be used in a centralized planning and operations center. The ACA provides a set of conditions that are used to check for convergence of the IDA.Type: ApplicationFiled: January 4, 2011Publication date: January 12, 2012Applicant: TELCORDIA TECHNOLOGIES, INC.Inventor: Richard Lau
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Publication number: 20100302970Abstract: A system and method for optimizing the efficiency of data sharing among a set of radio nodes in a radio environment is provided. The technique includes identifying a data unit and assigning it a class, identifying a connectivity type, computing a significance factor based on connectivity type and assigned class, mapping the significance factor to a priority factor, and scheduling output of the data unit based on the priority factor. A scheduler algorithm can be used for scheduling output. The class can be assigned based on which nodes of the set of radio nodes possess copies of the data unit at a given time. An arbitration process can be used to determine the priority factor. A significance factor weighting algorithm, based on how many nodes will be receiving the data and on how much a node needs the data, can be used to determine the significance factor.Type: ApplicationFiled: August 12, 2010Publication date: December 2, 2010Inventors: Richard LAU, Heechang KIM, Bruce SIEGELL