Patents by Inventor Richard Chang

Richard Chang 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).

  • Patent number: 10683115
    Abstract: A portable air extracting device includes a shell assembly and an electric air extracting pump. The shell assembly includes a top shell, a side shell and a bottom shell surrounding a fluid room. The bottom shell is provided with an external air-extracting hole. The external air-extracting hole connects the fluid room to a target space to be evacuated. The electric air extracting pump includes an intake nozzle and an outtake nozzle. In particular, the intake nozzle is misaligned with the external air-extracting hole.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: June 16, 2020
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Publication number: 20190372203
    Abstract: A wireless access point includes a physical form factor including a plurality of sides each adjacent to a bottom portion, wherein the physical form factor houses a plurality of components including i) at least one Printed Circuit Board (PCB) having one or more Wi-Fi radios and a Bluetooth radio and ii) a power supply; and an electrical plug connected to the power supply and extending from the bottom portion for insertion into an electrical outlet for power and for physical support of the wireless access point adjacent to the electrical plug.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 5, 2019
    Inventors: Ming-Tsung Su, Brian Nam, Irene Yang, Guan-Heng Chen, Jeffrey ChiFai Liew, Nora Yan, Yoseph Malkin, Richard Chang, Liem Hieu Dinh Vo, Shu-Chun Shen, Duc Minh Nguyen, William McFarland
  • Patent number: 10462929
    Abstract: A compact electronic device includes a base with a plurality of sides each adjacent to a bottom portion, wherein the base houses components comprising a heatsink supporting a fan module located in an interior portion, a Printed Circuit Board (PCB), and a power supply, and wherein vents are disposed on the bottom portion and side vents are disposed on one or more of the plurality of sides; a top cover configured to attach to the base via the plurality of sides forming an air gap extending each of the plurality of sides, wherein the air gap supports air exhaust on one or more sides of the plurality of sides and air intake on the remaining sides; and an electrical plug connected to the power supply and extending out of the bottom portion for insertion into an electrical outlet for power and to physically support the compact electronic device.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 29, 2019
    Assignee: Plume Design, Inc.
    Inventors: Ming-Tsung Su, Brian Nam, Shu-Chun Shen, Nora Yan, Irene Yang, Richard Chang, Duc Minh Nguyen, Jeffrey ChiFai Liew, Liem Hieu Dinh Vo, William McFarland
  • Patent number: 10433194
    Abstract: Systems and methods of cloud-based thermal control of an access point performed by a cloud-based controller include periodically obtaining temperature measurements from the access point comprising one or more radio chips operating therein; responsive to the temperature exceeding a first threshold, causing one or more thermal mitigation techniques to modify operating conditions of the one or more radio chips; and, responsive to the temperature being lower than a second threshold, causing reversion back of the one or more thermal mitigation techniques.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: October 1, 2019
    Assignee: Plume Design, Inc.
    Inventors: William McFarland, Yoseph Malkin, Richard Chang, Patrick Hanley
  • Patent number: 10379584
    Abstract: Systems and methods of local thermal control of an access point include determining temperature associated with the access point including one or more radio chips operating therein; responsive to the temperature exceeding a first threshold, performing one or more thermal mitigation techniques to modify operating conditions of the one or more radio chips; and, responsive to the temperature being lower than a second threshold, reverting back the one or more thermal mitigation techniques.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 13, 2019
    Assignee: Plume Design, Inc.
    Inventors: William McFarland, Yoseph Malkin, Richard Chang, Patrick Hanley
  • Publication number: 20190174336
    Abstract: Systems and methods of cloud-based thermal control of an access point performed by a cloud-based controller include periodically obtaining temperature measurements from the access point comprising one or more radio chips operating therein; responsive to the temperature exceeding a first threshold, causing one or more thermal mitigation techniques to modify operating conditions of the one or more radio chips; and, responsive to the temperature being lower than a second threshold, causing reversion back of the one or more thermal mitigation techniques.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 6, 2019
    Inventors: William MCFARLAND, Yoseph MALKIN, Richard CHANG, Patrick HANLEY
  • Publication number: 20190171259
    Abstract: Systems and methods of local thermal control of an access point include determining temperature associated with the access point including one or more radio chips operating therein; responsive to the temperature exceeding a first threshold, performing one or more thermal mitigation techniques to modify operating conditions of the one or more radio chips; and, responsive to the temperature being lower than a second threshold, reverting back the one or more thermal mitigation techniques.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 6, 2019
    Inventors: William MCFARLAND, Yoseph Malkin, Richard Chang, Patrick Hanley
  • Publication number: 20190127098
    Abstract: A portable air extracting device includes a shell assembly and an electric air extracting pump. The shell assembly includes a top shell, a side shell and a bottom shell surrounding a fluid room. The bottom shell is provided with an external air-extracting hole. The external air-extracting hole connects the fluid room to a target space to be evacuated. The electric air extracting pump includes an intake nozzle and an outtake nozzle. In particular, the intake nozzle is misaligned with the external air-extracting hole.
    Type: Application
    Filed: February 1, 2018
    Publication date: May 2, 2019
    Inventor: Richard CHANG
  • Patent number: 10178578
    Abstract: Systems and methods of optimizing a distributed Wi-Fi network considering thermal management of a plurality of access points in the distributed Wi-Fi network include periodically obtaining temperature measurements from the plurality of access points; performing an optimization to configure the distributed Wi-Fi network with the temperature measurements as thermal inputs used in the optimization, wherein the optimization determines configuration parameters including one or more of a topology of the distributed Wi-Fi network, band and channel of each hop in the topology, and which clients associate with which access point on which band, based in part on the temperature measurements and thermal constraints; and providing the configuration parameters to the distributed Wi-Fi network for implementation thereof.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: January 8, 2019
    Assignee: Plume Design, Inc.
    Inventors: William McFarland, Yoseph Malkin, Richard Chang, Patrick Hanley
  • Patent number: 9937661
    Abstract: A storage electric sealer comprises a casing, a sealing module, a spring switch, a support cover, a press bar, and a sliding plate. The casing and the sealing module are arranged on the casing. The support cover includes at least two containing grooves. The press bar provided with a sliding chute is pivotally connected with the pivoting holder of the casing. The sliding plate is provided with a heat insulation block and at least a stopper, both lateral side of the sliding plate being connected with the sliding chute of the press bar in a sliding manner. Wherein, the sliding plate is located at a closed position in storage state, so that the stopper is accommodated in the containing groove of the support cover. As such, the storage electric sealer can be transformed into a storage state by a modified sliding mechanism to reduce the volume and damage rate effectively.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: April 10, 2018
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Patent number: 9809340
    Abstract: A rechargeable sealer with storage function includes a casing, an electric heating module, a circuit board, a supporting base, a press bar, a spring-back mechanism, and a sliding plate. The casing is provided with an accommodating chamber, in which are provided with a fore contact element and a rear contact element. A rechargeable battery is positioned in and between the fore contact element and the rear contact element. The circuit board, provided with an external slot, is disposed in the accommodating chamber, featured in charging the rechargeable battery. The press bar is provided with a sliding slot, and is pivotally connected with the pivoting shaft of the supporting base, served as a pressing structure corresponding to the casing.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 7, 2017
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Publication number: 20170297753
    Abstract: An electrical vacuum-pumping device includes a primary structure body, an upper lid, an electrical vacuum pump, a power source, and a suction nozzle. The primary structure body includes an upper body board and a lower body board which are fastened with each other, and in which an accommodating space is provided. The lower body board is provided with a suction hole for communicating with ambient atmosphere. The electrical vacuum pump is provided with a vacuum-pumping mouth, and is arranged in the accommodating space, and is electrically connected with the electrical vacuum pump. The suction nozzle is fixedly arranged underneath to the lower body board. When in a state of use, the suction nozzle can engage directly with an impermeable cup or a joint at one's option; or engage an object to be vacuum-pumped and then attach the same to the object to be vacuum-pumped.
    Type: Application
    Filed: March 22, 2017
    Publication date: October 19, 2017
    Inventor: Richard CHANG
  • Publication number: 20170222049
    Abstract: A vertical transistor and the fabrication method. The transistor comprises a first surface and a second surface that is opposite to the first surface. A drift region of the first doping type, this drift region is located between the first surface and the second surface; at least one source region of the first doping type and the source region being located between the drift region and the first surface, with a first dielectric layer located between adjacent source regions; at least one drain region with said first doping type and said drain region being located between said drift region and said second surface, a gate being provided between adjacent drain regions. Said gate includes a gate electrode and a gate dielectric layer disposed between said gate electrode and said drift region, and the second dielectric layer being positioned between said gate electrode and said second surface.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventors: Deyuan Xiao, Richard Chang
  • Patent number: 9647107
    Abstract: A vertical transistor and the fabrication method. The transistor comprises a first surface and a second surface that is opposite to the first surface. A drift region of the first doping type, this drift region is located between the first surface and the second surface; at least one source region of the first doping type and the source region being located between the drift region and the first surface, with a first dielectric layer located between adjacent source regions; at least one drain region with said first doping type and said drain region being located between said drift region and said second surface, a gate being provided between adjacent drain regions. Said gate includes a gate electrode and a gate dielectric layer disposed between said gate electrode and said drift region, and the second dielectric layer being positioned between said gate electrode and said second surface.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: May 9, 2017
    Assignee: ZING SEMICONDUCTOR CORPORATION
    Inventors: Deyuan Xiao, Richard Chang
  • Publication number: 20170117407
    Abstract: A vertical transistor and the fabrication method. The transistor comprises a first surface and a second surface that is opposite to the first surface. A drift region of the first doping type, this drift region is located between the first surface and the second surface; at least one source region of the first doping type and the source region being located between the drift region and the first surface, with a first dielectric layer located between adjacent source regions; at least one drain region with said first doping type and said drain region being located between said drift region and said second surface, a gate being provided between adjacent drain regions. Said gate includes a gate electrode and a gate dielectric layer disposed between said gate electrode and said drift region, and the second dielectric layer being positioned between said gate electrode and said second surface.
    Type: Application
    Filed: January 22, 2016
    Publication date: April 27, 2017
    Inventors: Deyuan Xiao, Richard Chang
  • Patent number: D812662
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 13, 2018
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Patent number: D823913
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: July 24, 2018
    Assignee: WELCOME CO., LTD.
    Inventors: Ammy Chou, Richard Chang
  • Patent number: D823914
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: July 24, 2018
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Patent number: D845370
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: April 9, 2019
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang
  • Patent number: D860277
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 17, 2019
    Assignee: WELCOME CO., LTD.
    Inventor: Richard Chang