Patents by Inventor Junhua Wu

Junhua Wu 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: 20260129724
    Abstract: A microwave oven includes an interlock system including an interlock switch that cuts power to a magnetron of the oven when the interlock switch changes from a first state to a second state. The microwave oven further includes a door assembly having a door structure and a door hook that is configured to operably engage the interlock switch to cut power to the magnetron at a breaking point. The breaking point may be determined, at least in part, by a position of the door hook relative to the door structure. The door assembly further includes an adjustment assembly including a gear that is configured to shift the door hook relative to the door structure when the gear is rotated, and a lock member that locks the door hook in a selected position relative to the door structure whereby the breaking point can be adjusted.
    Type: Application
    Filed: November 6, 2025
    Publication date: May 7, 2026
    Applicant: WHIRLPOOL CORPORATION
    Inventors: Xishuo Qiu, JunHua Wu, Laura Fossati, Simone Polvara
  • Patent number: 12443225
    Abstract: The disclosure discloses an external screen device for a smartphone, including a body. The body is provided with first, second and third connection interfaces. Through the first connection interface and a data line, the external screen device performs data signal transmission with the smartphone to receive data signals of the smartphone in real time, thereby providing a better livestreaming or photography effect. Through the second connection interface, power can be supplied to the external screen device and the smartphone, thereby ensuring normal operation of the external screen device. Through the third connection interface, livestreaming voice interaction and recording operations can be realized.
    Type: Grant
    Filed: December 11, 2024
    Date of Patent: October 14, 2025
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Lingzhong Zhao, Junhua Wu, Zhengping Zhao
  • Patent number: 12423044
    Abstract: Disclosed is an intelligent dual-screen displayed calendar including a housing having a display provided therein, where the display is divided into a plurality of display areas; the plurality of display areas can respectively display schedule, reminders and digital photograph information, and display date and time, weather, positioning information and GPT voice chat; and a rear end face of the housing is provided with two detachable brackets which may be provided at either a first end or a second end of the housing, so that the housing may be placed on a carrier in either the transverse or longitudinal direction. A physical screen is divided into plurality of display areas, and a multi-screen function is achieved by virtual segmentation technology, which avoids adding additional hardware cost. The plurality of display areas can display the core information such as schedule and reminders.
    Type: Grant
    Filed: May 28, 2025
    Date of Patent: September 23, 2025
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd.
    Inventors: Junhua Wu, Lingzhong Zhao
  • Publication number: 20250062631
    Abstract: The present invention discloses a charging device for neck hanging TWS earphones, including an earphone charging control portion, a neck hanging piece, charging wires, and charging bases, where the earphone charging control portion is electrically connected to the neck hanging piece; the charging wires are connected to the earphone charging control portion; and the charging bases are connected to end parts of the charging wires and provided with charging jacks matched with TWS earphones in a pluggable manner. Therefore, the charging device can enable the TWS earphones to continue operating while being charged; and ordinary TWS earphones are transformed into neck hanging sports earphones, to meet the use requirements of the earphones in sports scenes.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 20, 2025
    Applicant: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Junhua WU, Lingzhong ZHAO, Zhengping ZHAO
  • Publication number: 20250048511
    Abstract: An antenna fixing system for use in a microwave oven. The antenna fixing system includes a stirring piece, a ceramic support, and other components that couple an antenna to a stirrer motor while limiting unintentional movement of the antenna in multiple planes.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 6, 2025
    Applicant: WHIRLPOOL CORPORATION
    Inventors: Junhua Wu, Xishuo Qiu, Xin Li
  • Patent number: D904167
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: December 8, 2020
    Assignee: Dongguanshi Niwota Plastic Co., Ltd.
    Inventor: Junhua Wu
  • Patent number: D916058
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: April 13, 2021
    Assignee: SHENZHEN XINZHENGYU TECHNOLOGY CO., LTD.
    Inventor: Junhua Wu
  • Patent number: D924209
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: July 6, 2021
    Assignee: SHENZHEN XINZHENGYU TECHNOLOGY CO., LTD
    Inventor: Junhua Wu
  • Patent number: D971890
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: December 6, 2022
    Assignee: SHENZHEN XINZHENGYU TECHNOLOGY CO., LTD
    Inventor: Junhua Wu
  • Patent number: D1015680
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: February 27, 2024
    Inventor: Junhua Wu
  • Patent number: D1045821
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: October 8, 2024
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Junhua Wu, Lingzhong Zhao, Zhengping Zhao
  • Patent number: D1050082
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: November 5, 2024
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Junhua Wu, Lingzhong Zhao, Zhengping Zhao
  • Key
    Patent number: D1090224
    Type: Grant
    Filed: March 25, 2025
    Date of Patent: August 26, 2025
    Assignee: Guangxi Gaixie Electronics Co., Ltd.
    Inventor: Junhua Wu
  • Patent number: D1101927
    Type: Grant
    Filed: October 28, 2024
    Date of Patent: November 11, 2025
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventor: Junhua Wu
  • Patent number: D1109085
    Type: Grant
    Filed: August 16, 2024
    Date of Patent: January 13, 2026
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventor: Junhua Wu
  • Patent number: D1113829
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: February 17, 2026
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Junhua Wu, Lingzhong Zhao, Zhengping Zhao
  • Patent number: D1118314
    Type: Grant
    Filed: March 25, 2025
    Date of Patent: March 17, 2026
    Assignee: Guangxi Gaixie Electronics Co., Ltd.
    Inventor: Junhua Wu
  • Patent number: D1139620
    Type: Grant
    Filed: April 16, 2025
    Date of Patent: August 4, 2026
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventors: Junhua Wu, Lingzhong Zhao
  • Patent number: D1144892
    Type: Grant
    Filed: March 25, 2025
    Date of Patent: August 25, 2026
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventor: Junhua Wu
  • Patent number: D1144893
    Type: Grant
    Filed: March 25, 2025
    Date of Patent: August 25, 2026
    Assignee: Shenzhen Xinzhengyu Technology Co., Ltd
    Inventor: Junhua Wu