Patents by Inventor Keith Lau

Keith 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).

  • Publication number: 20240095713
    Abstract: Provided is method, client device and POS terminal for offline transaction. The method comprises: obtaining a transaction token in advance from a payment server, wherein the transaction token includes an expiry date; displaying a code for transaction for a POS terminal to scan the code when the transaction is performed with the POS terminal; the code includes the transaction token and a last transaction record; receiving a new transaction record via Bluetooth, sent by the POS terminal; wherein the new transaction record is generated by the POS terminal according to the transaction amount and the last transaction record after verifying that the transaction token is in a valid state; the valid state includes the expiry date being later than the current time; and storing the new transaction record for performing the next transaction with a POS terminal. The invention can provide a safe and convenient solution for the offline purchase transaction of the mobile phone users on the client end.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventor: Wing Lok Keith LAU
  • Patent number: 11675495
    Abstract: A computer-implemented method for generating feedback based on a handwritten text, comprises the steps of initializing a writing instrument to be used in a writing operation comprising a handwritten text and capturing and processing the handwritten text to generate digital text data. The method further comprises the steps of identifying at least one handwritten text attribute associated with the digital text data, comparing the at least one handwritten text attribute with predefined textual feature attributes, and generating a textual feature based on the compared at least one handwritten text attribute and predefined textual feature attributes. In addition, the method comprises the steps of modifying the digital text data using the textual feature and generating feedback to a user based on the modified digital text data.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: June 13, 2023
    Assignee: SOCIÉTÉ BIC
    Inventors: David Duffy, Christopher-John Wright, Timothy Giles Beard, Wai Keith Lau, William Andrew Schnabel
  • Publication number: 20220291827
    Abstract: A computer-implemented method (100) for generating feedback based on a handwritten text, comprises the steps of initializing (110) a writing instrument (10) to be used in a writing operation comprising a handwritten text and capturing and processing (120) the handwritten text to generate digital text data. The method further comprises the steps of identifying (130) at least one handwritten text attribute associated with the digital text data, comparing (140) the at least one handwritten text attribute with predefined textual feature attributes, and generating (150) a textual feature based on the compared at least one handwritten text attribute and predefined textual feature attributes. In addition, the method comprises the steps of modifying (160) the digital text data using the textual feature and generating (170) feedback to a user (U) based on the modified digital text data.
    Type: Application
    Filed: February 18, 2022
    Publication date: September 15, 2022
    Applicant: SOCIETE BIC
    Inventors: David DUFFY, Christopher-John WRIGHT, Timothy Giles BEARD, Wai Keith LAU, William Andrew SCHNABEL
  • Publication number: 20210361588
    Abstract: Described herein is a composition comprising a particle comprising a biodegradable and hydrolysable polymer, wherein a medicament for the treatment of a disease of the urinary tract is dispersed in the polymer, wherein the particle has a dimension of from 1 ?m to 30 ?m. Also described herein is a composition for the treatment of a disease, the composition comprising a particle comprising a biodegradable and hydrolysable polymer, wherein a medicament is dispersed in the polymer, wherein the particle has a dimension of from 1 ?m to 30 ?m, wherein the composition is for use in a method for treating the disease and the method involves the intracellular delivery of the particle or the medicament from the particle.
    Type: Application
    Filed: January 18, 2019
    Publication date: November 25, 2021
    Inventors: Eleanor Phoebe Jane STRIDE, Ann SAVELL, Jennifer ROHN, Wai Keith LAU, Mohan EDIRISINGHE
  • Publication number: 20200342439
    Abstract: Provided is method, client device and POS terminal for offline transaction. The invention can provide a safe and convenient solution for the offline purchase transaction of the mobile phone users on the client end. There is no need to install a special terminal for the merchant to top-up the virtual card, and the cardholder can easily top-up the card. Moreover, the offline operation can be realized, and the recharge and consumption operation can also be completed in some places where the wireless network coverage is not good.
    Type: Application
    Filed: November 12, 2019
    Publication date: October 29, 2020
    Inventor: Wing Lok Keith LAU
  • Publication number: 20080276318
    Abstract: A spam detection system employs a “Delayed-Verification on Purported Responsible Address” (DVPRA) module which verifies the validity of the return address of a received e-mail message in mail server in a time delay interval specifiable by the user. An implementation of the module as a Spam Mail Filter in a stand-alone spam detection system. An implementation of the module as a supplementary to the existing anti-spam systems.
    Type: Application
    Filed: May 2, 2007
    Publication date: November 6, 2008
    Inventors: Brian Leung, Keith Lau, Wah Cheong Hui, Ching Shan Wong
  • Publication number: 20060106942
    Abstract: Methods and systems for creating a full-featured, individually customized email system by allowing end-users of an electronic mail system to extend standard electronic mail protocol for the creation of user-defined commands that are recognizable and executable by an electronic mail system and that can alter processing performed after a server accepts a piece of electronic mail. Routine events are raised during the communication of information and processing of data that give rise to the execution of registered commands. The commands are registered in an event-binding database and include standard commands and user-defined commands that are executed according to priority.
    Type: Application
    Filed: December 21, 2005
    Publication date: May 18, 2006
    Applicant: Microsoft Corporation
    Inventors: Milan Shan, Keith Lau, Jeffrey Stamerjohn
  • Publication number: 20050026698
    Abstract: A data protection portion includes the file alteration checking portion. One aspect of the file alteration checking portion relates to a media including game content and a data protection portion. In one version, the data protection portion protects the game content from modification by determining whether the game content has been modified. If the game content has been modified, then the installation of the game content within the apparatus fails.
    Type: Application
    Filed: August 1, 2003
    Publication date: February 3, 2005
    Inventors: Christopher Pirich, Jon Randall Whitten, Jonathan Lange, Tracy Sharpe, Keith Lau