Patents by Inventor David Chung Sing Leung

David Chung Sing Leung 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).

  • Microphone, a headphone, a kit comprising the microphone and the headphone, and a method for processing sound using the kit
    Patent number: 11728679
    Abstract: The present invention relates to a kit comprising a microphone and a headphone, and also a case member provided with a first cut-out region for accommodating the microphone and a second cut-out region for accommodating the headphone as well as electronics means for charging the microphone and/or the headphone; the microphone comprising: a sound-receiving portion; a headphone connecting portion; an extension portion connecting a distal end arranged to connect to the sound-receiving portion and a proximal end opposite the distal end thereof and arranged to connect to the headphone connecting portion, the proximal end extending a distance from the distal end such that a voice signal received is greater than the environmental noise thus yielding a higher signal to noise ratio; the headphone comprising: a main body portion dimensioned for adapting to the user's ear contour to retain the headphone on the ear; a microphone connecting portion provided on the main body portion; each of the headphone connecting portion
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: August 15, 2023
    Assignee: LINEAR FLUX COMPANY LIMITED
    Inventors: David Chung-Sing Leung, Einstein Celso Galang, Nicolas Jean Declunder
  • MICROPHONE, A HEADPHONE, A KIT COMPRISING THE MICROPHONE AND THE HEADPHONE, AND A METHOD FOR PROCESSING SOUND USING THE KIT
    Publication number: 20220029456
    Abstract: The present invention relates to a kit comprising a microphone and a headphone, and also a case member provided with a first cut-out region for accommodating the microphone and a second cut-out region for accommodating the headphone as well as electronics means for charging the microphone and/or the headphone; the microphone comprising: a sound-receiving portion; a headphone connecting portion; an extension portion connecting a distal end arranged to connect to the sound-receiving portion and a proximal end opposite the distal end thereof and arranged to connect to the headphone connecting portion, the proximal end extending a distance from the distal end such that a voice signal received is greater than the environmental noise thus yielding a higher signal to noise ratio; the headphone comprising: a main body portion dimensioned for adapting to the user's ear contour to retain the headphone on the ear; a microphone connecting portion provided on the main body portion; each of the headphone connecting portion
    Type: Application
    Filed: July 22, 2021
    Publication date: January 27, 2022
    Inventors: David Chung-Sing LEUNG, Einstein Celso GALANG, Nicolas Jean DECLUNDER
  • Handheld vaporizing device
    Patent number: 10334878
    Abstract: Handheld vaporizing devices with improved heating element and temperature controls, improved e-liquid reservoir, and capacitive technology to activate the heating element to prime the device to deliver aerosol on demand.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: July 2, 2019
    Assignee: NURYAN HOLDINGS LIMITED
    Inventor: David Chung Sing Leung
  • HANDHELD VAPORIZING DEVICE
    Publication number: 20150335074
    Abstract: Handheld vaporizing devices with improved heating element and temperature controls, improved e-liquid reservoir, and capacitive technology to activate the heating element to prime the device to deliver aerosol on demand.
    Type: Application
    Filed: May 21, 2015
    Publication date: November 26, 2015
    Inventor: David Chung Sing Leung
  • Mouthpiece for a vaping device
    Patent number: D961150
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: August 16, 2022
    Assignee: Nuryan Holdings Limited
    Inventor: David Chung Sing Leung