Patents by Inventor Thomas C. Chan

Thomas C. Chan 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: 20250169998
    Abstract: Apparatuses of reusable incontinence underwear with feces sensing and methods for manufacturing the same are provided. An incontinence underwear includes an interior layer includes an excretion area, where the excretion area includes one or more openings configured to drain excretions of a user away from the interior layer; a middle layer configured to house an excretion collection unit, configured to store the excretions from the interior layer, and the middle layer further includes a feces sensing unit configured to detect feces discharged from the user; a feces monitoring module electrically coupled to the feces sensing unit, configured to monitor the feces sensing unit and communicate status of the feces sensing unit to one or more caregivers; an exterior layer configured to conceal and prevent leakage from the middle layer of the incontinence underwear; and a support frame configured to hold the interior layer, the middle layer and the exterior layer of the incontinence underwear together.
    Type: Application
    Filed: September 30, 2024
    Publication date: May 29, 2025
    Inventors: Thomas C. CHAN, Chi Chen HSIEN
  • Patent number: 12310828
    Abstract: Apparatuses of reusable incontinence underwear with feces sensing and methods for manufacturing the same are provided. An incontinence underwear includes an interior layer includes an excretion area, where the excretion area includes one or more openings configured to drain excretions of a user away from the interior layer; a middle layer configured to house an excretion collection unit, configured to store the excretions from the interior layer, and the middle layer further includes a feces sensing unit configured to detect feces discharged from the user; a feces monitoring module electrically coupled to the feces sensing unit, configured to monitor the feces sensing unit and communicate status of the feces sensing unit to one or more caregivers; an exterior layer configured to conceal and prevent leakage from the middle layer of the incontinence underwear; and a support frame configured to hold the interior layer, the middle layer and the exterior layer of the incontinence underwear together.
    Type: Grant
    Filed: September 30, 2024
    Date of Patent: May 27, 2025
    Inventors: Thomas C. Chan, Chi Chen Hsien
  • Patent number: 12201504
    Abstract: Apparatuses of reusable diapers with feces sensing and methods for manufacturing the same are provided.
    Type: Grant
    Filed: September 30, 2024
    Date of Patent: January 21, 2025
    Inventors: Thomas C. Chan, Chi Chen Hsien
  • Patent number: 12121430
    Abstract: Apparatuses of reusable diapers and methods for manufacturing the same are provided. In one embodiment, a diaper includes an interior layer includes an excretion area, where the excretion area includes one or more openings configured to drain excretions of a user away from the interior layer, a middle layer configured to house an excretion collection unit, where the excretion collection unit is configured to store the excretions from the interior layer, an exterior layer configured to conceal and prevent leakage from the middle layer of the diaper, and a support frame configured to hold the interior layer, the middle layer and the exterior layer of the diaper together.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: October 22, 2024
    Inventors: Chi Chen Hsien, Thomas C. Chan
  • Patent number: 5962119
    Abstract: A process for continuously manufacturing gypsum board having a gypsum core and at least one fibrous cover sheet comprising: (A) applying a defoaming agent to the top surface of the fibrous sheet as it advances along a production line; (B) depositing a foamed gypsum slurry onto the treated surface of the sheet; and (C) forming the composite of the foamed gypsum slurry and fibrous sheet into a gypsum board having a strong bond between the gypsum core and the fibrous cover sheet. The gypsum core-to-fibrous facer bond is highly resistant to failure upon humidification.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: October 5, 1999
    Assignee: Celotex Corporation
    Inventor: Thomas C. Chan
  • Patent number: 5859958
    Abstract: Storing and updating parameters of object slices used to render more complex objects is made more efficient in raster graphics systems. Recognizing that some parameters of adjacent object slices remain unchanged, these values need not be stored or updated, thereby saving transmission overhead and/or memory.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: January 12, 1999
    Assignee: Apple Computer, Inc.
    Inventors: Thomas C. Chan, Kok S. Chen
  • Patent number: 5761347
    Abstract: A first memory associated with a system for halftoning stores a threshold array, wherein the threshold array is comprised of threshold array values. When the pixel display values in an image are to be halftoned, a subset of the threshold array values stored in the first memory is transferred to a buffer. When all of the portions of pixel display values that correspond to the subset of threshold array values stored in the buffer have been halftoned, a new subset of threshold array values are stored in the buffer. Portions of pixel display values that correspond to the new subset of threshold array values stored in the buffer are then halftoned by repeatedly using the new subset of threshold array values stored in the buffer. This process continues until all of the pixel display values in the image have been halftoned. When the portion of pixel display values are halftoned, they can be output to an output device on the fly, i.e.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: June 2, 1998
    Assignee: Apple Computer, Inc.
    Inventors: Thomas C. Chan, Kok S. Chen