Patents by Inventor Wai To Yan

Wai To Yan 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).

  • Publication number: 20240115136
    Abstract: Disclosed herein are methods for delivering a drug to the brain of a subject and monitoring the distribution of the drug therein. The method includes steps of: (a) intranasally administering of a first and second liposomes respectively loaded with the drug and a computed tomography (CT) contrast agent therein to the subject; (b) subjecting the brain of the subject of step (a) to a magnetic resonance imaging (MRI) scan; and (c) measuring chemical exchange saturation transfer (CEST) signals during the MRI scan in both olfactory bulb (OB) and frontal lobe (FL) regions at 1.2 ppm, 4.3 ppm, and ?3.4 ppm, respectively.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Inventors: Wai Yan CHAN, Jianpan HUANG, Lok Hin LAW
  • Patent number: 11944536
    Abstract: A tricuspid valve apparatus may include a frame and an associated neo-prosthetic valve. The frame acts as a stabilizing structure that extends cephalad into the morphologic or functional right atrium (upstream) and caudally into the morphologic or functional right ventricle (downstream). The frame comprises a strutted atrial dome that conforms to the atrium without obstruction of blood flow from the incoming great veins (i.e. superior vena cava and inferior vena cava) or other anomalous veins and/or tributaries. The frame further comprises ventricular struts to be placed within the right ventricle to secure the neo-prosthetic valve in a desired position. The assembly of the frame and valve is collapsible so that prior to deployment the assembly is placed in a vascular catheter, and then self-expands upon release in the heart.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: April 2, 2024
    Assignee: The Chinese University of Hong Kong
    Inventors: Erik Yee Mun George Fung, Tze Chuen Ng, Philip Wai Yan Chiu
  • Publication number: 20240106542
    Abstract: An encoding method, a decoding method, and an optical module are described relating to data transmission technologies. The method, carried out by an optical module includes obtaining an optical transmission mode used for signal transmission. The method further includes receiving a signal on which outer-code encoding has been performed. The optical module determines, based on the optical transmission mode, an inner-code encoding scheme to be used by the optical module to perform inner-code encoding on the signal on which outer-code encoding has been performed. The method further includes performing, by using the inner-code encoding scheme, inner-code encoding on the signal on which outer-code encoding has been performed. The optical module outputs a signal on which inner-code encoding has been performed. As a result, error correction performance of the Ethernet may be improved.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Inventors: Zengchao Yan, Wai Kong Raymond Leung, Huixiao Ma
  • Publication number: 20240093298
    Abstract: Systems, methods, and apparatuses are provided for diagnosing auto-immune diseases such as systemic lupus erythematosus (SLE) based on the sizes, methylation levels, and/or genomic characteristics of circulating DNA molecules. Patients provide blood or other tissue samples containing cell-free nucleic molecules for analysis. Massively parallel and/or methylation-aware sequencing can be used to determine the sizes and methylation levels of individual DNA molecules and identify the number of molecules originating from different genomic regions.
    Type: Application
    Filed: April 21, 2023
    Publication date: March 21, 2024
    Inventors: Yuk-Ming Dennis Lo, Rossa Wai Kwun Chiu, Rebecca Wing Yan Chan, Lai Shan Tam
  • Patent number: 11936111
    Abstract: An antenna array with a layered structure having a base layer with a metamaterial structure, a printed circuit board (PCB) layers, a feed layer arranged on the opposite side of the PCB from the RF IC(s), and a radiating layer arranged on the feed layer. The radiating layer having a plurality of radiating elements. The metamaterial structure is arranged to attenuate electromagnetic radiation propagating between the at least two adjacent waveguides in the frequency band.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 19, 2024
    Assignee: GAPWAVES AB
    Inventors: Thomas Emanuelsson, Yang Jian, Ashraf Uz Zaman, Wai Yan Yong
  • Patent number: 11847397
    Abstract: Any primitive cells or blocks can be represented physically by a Barycenter compact model (or Barycenter model), and any black box model can also be physically represented by a Barycenter compact model physically. A boundary condition between blocks is formulated by the Barycenter compact model. Boundary condition problems between blocks can be limited within two levels only if using the Barycenter compact model.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: December 19, 2023
    Assignee: Worldwide Pro Ltd.
    Inventor: William Wai Yan Ho
  • Publication number: 20230244390
    Abstract: The disclosed technologies provide functionality for collecting quality of service (“QoS”) statistics for in-use child physical functions of multiple physical function (“PF”) non-volatile memory devices (“MFNDs”). A host computing device creates a child PF on a MFND and configures the child PF on the MFND to provide a specified QoS level to an associated VM executing on the host computing device. The MFND then collects child PF QoS statistics for the child PF that describe the utilization of resources provided by child PF to an assigned VM. The MFND provides the child PF QoS statistics from the MFND to the host computing device. The collected child PF QoS statistics can be utilized to inform decisions regarding reallocation of MFND-provided resources, provisioning of new MFND-provided resources, and for other purposes.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 3, 2023
    Inventors: Scott Chao-Chueh LEE, Lei KOU, Monish Shantilal SHAH, Brenda Wai Yan BELL
  • Publication number: 20230227085
    Abstract: A wheel brake is disclosed to communicate with at least one wheel of a wheeled article (e.g., a wagon) to prevent the wheel from rotating and the wheeled article from rolling away. A toothed locking gear is attached to a hub of the wheel so that the wheel and the locking gear rotate together. A brake pedal of the wheel brake is pivotally connected to the wagon at a wheel bracket thereof to be rotatable in response to a pushing force applied thereto towards and into locking engagement with the locking gear. A coupler (e.g., a locking pin) of the brake pedal is received between a successive pair of teeth of the toothed locking gear, such that the locking gear and the wheel to which the locking gear is attached are unable to rotate, whereby the wheeled article is held in place.
    Type: Application
    Filed: January 14, 2022
    Publication date: July 20, 2023
    Inventors: Brian Horowitz, William F. Ryczek, Thomas Wai-Yan Wang
  • Publication number: 20230126413
    Abstract: A method of assessing the brain lymphatic or glymphatic system and the glucose transporter function on blood-cerebrospinal fluid barrier (BCSFB) of a subject using D-glucose or a D-glucose analog. A spatial map is generated of water MR signals that are sensitized to changes in D-glucose or a D-glucose analog in cerebrospinal fluid (CSF) of the subject. The spatial map is observed at one or more time points before, one or more time points during, and one or more time points after, raising the blood level of the D-glucose or a D-glucose analog in the subject CSF. A difference is detected between the MR signals of the spatial map before, during, and after raising the blood level of D-glucose or a D-glucose analog. A physiological parameter associated with the brain lymphatic or glymphatic system and the glucose transporter function on BCSFB of the subject is ascertained based on the detected difference.
    Type: Application
    Filed: April 7, 2021
    Publication date: April 27, 2023
    Applicants: The Johns Hopkins University, Kennedy Krieger Institute, Inc., City University of Hong Kong
    Inventors: Jiadi XU, Peter VAN ZIJL, Lin CHEN, Kannie Wai Yan CHAN, Jianpan HUANG
  • Patent number: 11574105
    Abstract: Any primitive cells or blocks can be represented physically by a Barycenter compact model (or Barycenter model), and any black box model can also be physically represented by a Barycenter compact model physically. A boundary condition between blocks is formulated by the Barycenter compact model. Boundary condition problems between blocks can be limited within two levels only if using the Barycenter compact model.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: February 7, 2023
    Assignee: Worldwide Pro Ltd.
    Inventor: William Wai Yan Ho
  • Publication number: 20220404532
    Abstract: A light filter (100) includes at least one layer of binder matrix (110) and a multitude of transparent crystals (120). The multitude of transparent crystals (120) are irregularly and laterally dispersed in the at least one layer of binder matrix (110), such that light passing through the light filter (100) is separated into different wavelengths and polarized into different orientations.
    Type: Application
    Filed: November 25, 2019
    Publication date: December 22, 2022
    Inventor: Wai Yan Vian LI
  • Publication number: 20220271938
    Abstract: Methods, apparatus, systems, and articles of manufacture to manage application access in networked environments are disclosed. An example method includes monitoring accesses made using a credential to a first set of one or more application programming interfaces (APIs) and with a second set of one or more APIs, the credential associated with a first permission for access to the first set of one or more APIs and a second permission for access to the second set of one or more APIs, determining, based on access to one or more APIs of the first set of one or more APIs using the credential, that the first permission is to be suspended, and in response to the determination that the first permission is to be suspended, suspending the first permission while maintaining the second permission.
    Type: Application
    Filed: February 24, 2021
    Publication date: August 25, 2022
    Inventors: Jessica Wai Yan Ip, Shawn Haywood
  • Publication number: 20220202420
    Abstract: The present disclosure relates to tissue traction devices and systems. In one example, a tissue tensioning system may include a filament having a first end comprising an attachment member, a second end, and a length therebetween extendable externally along a catheter. A first tissue fastener may be engageable with the attachment member and with a target tissue. The second end of the filament may be translatable to adjust a tensional force along the filament.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 30, 2022
    Inventors: Kathryn Venuto, Christopher R. Deuel, Ramon Estevez, Barry Weitzner, Maggie Burds, Philip Wai Yan Chiu
  • Patent number: 11370467
    Abstract: Disclosed is a wagon adapted to be folded between an expanded open configuration and a compact collapsed configuration. A basket of the wagon is carried by a collapsible frame having height adjustment legs at the corners thereof. Height adjustment guides that stand upwardly from wheel brackets are slidable up and down through respective height adjustment legs such that the elevation of the frame and the basket carried thereby can be selectively changed. Rotatable handles are pivotally attached to the wagon at the front and the rear of the wagon frame. Telescoping canopy support assemblies are removably received downwardly within and upwardly from respective ones of the height adjustment guides to hold a removable canopy over the wagon basket. A collapsible wagon frame support has a set of rotatable frame reinforcing rods pivotally and detachably connected by ball and socket couplings to the bottom of the wagon frame at the corners thereof.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: June 28, 2022
    Inventors: Brian Horowitz, Thomas Wai-Yan Wang, William F Ryczek
  • Publication number: 20220047180
    Abstract: The subject invention pertains to a novel system capable of long-term monitoring the concentration of a typical analyte in body fluid. The invention includes an untethered battery-free concentration monitor and an external data recorder to continuously measure the concentration of certain analytes and send out signals corresponding to the measured analytes concentration in real-time.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 17, 2022
    Inventors: Li ZHANG, Wai Yan, Philip CHIU, Kai Fung CHAN, Xianfeng XIA, Xingzhou DU, Chong ZHANG
  • Patent number: 11235075
    Abstract: The present invention provides novel hydrogels through peptides, which are designed to self-assemble and produce magnetic resonance (MR) contrast through chemical exchange saturation transfer (CEST). The location and integrity of these gels could consequently be tracked using MR imaging. The self-assembly of the peptides into hydrogels can be brought about by a change in pH, ionic strength, temperature, and concentration of ions.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: February 1, 2022
    Assignees: THE JOHNS HOPKINS UNIVERSITY, KENNEDY KRIEGER INSTITUTE, INC., NATIONAL INSTITUTES OF HEALTH
    Inventors: Michael T. McMahon, Kannie Wai-Yan Chan, Michael Christopher Giano, Nikita Oskolkov, Joel Patrick Schneider, Xiaolei Song
  • Publication number: 20210393356
    Abstract: An integrated robotic system and methods for delivery and on-demand tasks of magnetic devices in a body for different clinical applications are provided. The integrated robotic system includes a magnetic actuation device, a plurality of imaging devices, a delivery device, and at least one magnetic device. The magnetic actuation device includes a permanent magnet or an electromagnetic coil system, and a controller for controlling the magnetic device. The plurality of imaging devices include two or more imaging modalities for capturing images of the magnetic device and tracking locations of the magnetic device in the body. The magnetic device includes one or more selected from a millimeter-sized robot, a microrobot, a nanorobot, a microrobotic swarm, and particles or drugs that respond to a magnetic field and small enough to be delivered by the delivery device.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 23, 2021
    Inventors: Li ZHANG, Wai Yan, Philip CHIU, Kai Fung CHAN, Ben WANG
  • Publication number: 20210363591
    Abstract: The present invention provides a method for predicting a cancer patient's responsiveness to anti-EGFR cancer drugs such as erlotinib based on the presence of one or more mutations in the MAPK1 genomic sequence. Related kits and therapeutic methods are also provided.
    Type: Application
    Filed: March 5, 2021
    Publication date: November 25, 2021
    Inventors: Vivian Wai Yan Lui, Hoi Lam Ngan
  • Patent number: RE48620
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 6, 2021
    Assignee: IDEAL Industries Lighting LLC
    Inventors: Chi Man Chris Li, Chi Hoi Felix Mung, Ho Ching Gauss So, Wai To Yan
  • Patent number: RE49228
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 4, 2022
    Assignee: IDEAL Industries Lighting LLC
    Inventors: Chi Man Chris Li, Chi Hoi Felix Mung, Ho Ching Gauss So, Wai To Yan