Patents by Inventor Yat-To Chan

Yat-To 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).

  • Patent number: 11931282
    Abstract: The present disclosure provides a bracewear for spinal correction and a system for posture training. The system for posture training involves both active and passive corrective forces by using the bracewear and a biofeedback system to address the spinal correction, which can eliminate the adversity of conventional hard braces and reduce the psychological and physiological barriers to treatment.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 19, 2024
    Assignee: The Hong Kong Polytechnic University
    Inventors: Yiu-Wan Joanne Yip, Yin Ling Sit, Ting Hin Mak, Kit Lun Yick, Tsz Hei Cheung, Sui Pui Ng, Kenny Yat Hong Kwan, Mei Chun Cheung, Ming Fai Chan
  • Patent number: 9343715
    Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: May 17, 2016
    Assignee: ZEROLEMON LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Publication number: 20150099144
    Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.
    Type: Application
    Filed: October 7, 2013
    Publication date: April 9, 2015
    Applicant: ZeroLemon LLC
    Inventors: Stephen Ching Yat CHAN, Wei Chen
  • Patent number: 7499000
    Abstract: An antenna device includes an antenna member having a plate, a conductor member disposed on one side of the plate, and another conductor member disposed on the other side of the plate, the plate includes one or more orifices and one or more apertures, and a coupler includes one or more positive electrodes and one or more negative electrodes engaged through the orifices and the apertures of the antenna member and electrically coupled to the conductor members respectively. A housing includes a chamber for receiving the plate of the antenna member, and a cylindrical member having a bore for receiving the coupler. The housing includes two housing members having a chamber for receiving the plate.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: March 3, 2009
    Assignee: Joymax Electronics Co., Ltd.
    Inventors: Yat To Chan, Yuh Ching Tsen
  • Patent number: 7486251
    Abstract: A ceiling antenna housing includes a lower receptacle having a number of orifices, an upper receptacle disposed on the lower receptacle and having a number of cavities aligned with the orifices of the lower receptacle, an antenna member received between the lower receptacle and the upper receptacle, one or more anchoring members disposed on the upper receptacle and each having a hooking member, and a number of fasteners for securing the receptacles and the anchoring member together. The hooking members of the anchoring members may be used for engaging with hanger members typically for attaching ceiling panels to the ceiling, to attach the ceiling antenna housing to the ceiling.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: February 3, 2009
    Assignee: Joymax Electronics Co., Ltd.
    Inventor: Yat To Chan
  • Patent number: 7443360
    Abstract: A ceiling antenna housing includes a receptacle having a chamber to receive an antenna member and having a number of orifices for receiving fasteners. The fasteners each includes an aperture for engaging with hanger members typically for attaching ceiling panels to a ceiling, and for allowing the ceiling antenna housing to be easily and readily attached to the ceiling without drilling holes by the users themselves. A cover is attached to the receptacle and has a number of cavities for receiving the fasteners. The cover may also include a hooking member or an anchoring member to engage with the hanger members.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: October 28, 2008
    Assignee: Joymax Electronics Co., Ltd.
    Inventor: Yat To Chan
  • Patent number: 7427968
    Abstract: An antenna device includes an antenna housing having a chamber and a slot formed in one end and formed between two arms and communicating with the chamber, an antenna member having a stud engaged into the slot and rotatably coupled to the antenna housing with a pivot axle and having two or more flat surfaces formed in the stud. A spring-biased follower is slidably received in the antenna housing and includes an actuator for engaging with either of the flat surfaces of the antenna member and for anchoring and retaining the antenna member to the antenna housing at selected angular positions. The antenna device includes a greatly simplified structure with a greatly reduced expense.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: September 23, 2008
    Assignee: Joymax Electronics Co., Ltd.
    Inventors: Yat To Chan, Chien Te Chen
  • Patent number: 7400301
    Abstract: An antenna device includes a coupler rotatably attaching to a support device, a connector rotatably attached to the coupler with a pivot axle and having an aperture formed in a free end, and having a stop. An antenna member includes an extension extended from one end for rotatably engaging into the aperture of the connector. The antenna member includes a stop for engaging with the stop of the connector, and for limiting the antenna member to rotate relative to the connector. The connector includes a number of grooves, for engaging with a projection of the antenna member, to position the antenna member to the connector at selected or predetermined angular position.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: July 15, 2008
    Assignee: Joymax Electronics Co., Ltd.
    Inventor: Yat To Chan
  • Publication number: 20070285333
    Abstract: An antenna device includes an antenna housing having a chamber and a slot formed in one end and formed between two arms and communicating with the chamber, an antenna member having a stud engaged into the slot and rotatably coupled to the antenna housing with a pivot axle and having two or more flat surfaces formed in the stud. A spring-biased follower is slidably received in the antenna housing and includes an actuator for engaging with either of the flat surfaces of the antenna member and for anchoring and retaining the antenna member to the antenna housing at selected angular positions. The antenna device includes a greatly simplified structure with a greatly reduced expense.
    Type: Application
    Filed: June 7, 2006
    Publication date: December 13, 2007
    Inventors: Yat To Chan, Chien Te Chen
  • Publication number: 20070224883
    Abstract: An electrical connector includes an insulating base member having a chamber and a bore formed in a protrusion, a conductor rod having one limb engaged through the bore of the protrusion and the other limb engaged in the chamber of the base member for acting as a central electrode of the electrical connector, a conductor sleeve is engaged onto the protrusion and a conductor casing is engaged onto the base member and electrically connected to the sleeve for acting as a case electrode of the electrical connector. The casing may be easily and quickly anchored to the base member with one or more anchoring members or latches, and the casing may be easily and quickly secured to the sleeve with a bar or a tongue.
    Type: Application
    Filed: March 21, 2006
    Publication date: September 27, 2007
    Inventors: Yat Chan, Tsung Fu
  • Patent number: 7265723
    Abstract: An antenna device includes a housing having a peripheral depression located around an orifice and formed between a peripheral rib and an inner peripheral surface of the housing, an antenna member having two shafts extended from a casing, a gear disposed on each of the shafts and movably engaged in the peripheral depression defined between the peripheral rib and the inner peripheral surface of the housing for guiding the casing of the antenna member to rotate relative the housing. A cap may rotatably secure the casing to the housing, to allow the casing to be rotated relative to the housing with the shafts or by a movement of the gears of the shafts in the peripheral depression of the housing.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: September 4, 2007
    Assignee: Airwise Technology Co., Ltd.
    Inventors: Yat To Chan, Justine Yen
  • Patent number: 7259727
    Abstract: An antenna mounting device includes a housing having a chamber formed by an outer peripheral wall, a suction cup and a base casing received in the housing, the base casing includes a lower seat and an upper seat disposed on top of an outer peripheral fence, a ring member is rotatably engaged onto the base casing and includes a bottom actuator and a recessed actuator for engaging with the lower seat and the upper seat of the base casing and for adjusting the ring member up and down relative to the base casing when the ring member is rotated relative to the base casing. A cap is coupled to the central coupling member of the suction cup with a stem for actuating the suction cup.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: August 21, 2007
    Assignee: Joymax Electronics Co., Ltd.
    Inventor: Yat To Chan
  • Patent number: D700139
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: February 25, 2014
    Assignee: ZeroLemon LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D723019
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: February 24, 2015
    Assignee: ZeroLemon LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D730341
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: May 26, 2015
    Assignee: ZEROLEMON LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D748612
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: February 2, 2016
    Assignee: ZEROLEMON LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D763239
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 9, 2016
    Assignee: ZEROLEMON LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D764449
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 23, 2016
    Assignee: ZEROLEMON LLC
    Inventors: Stephen Ching Yat Chan, Wei Chen
  • Patent number: D832848
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 6, 2018
    Assignee: Zerolemon Technology (Shenzhen) Co., Ltd.
    Inventors: Stephen Ching Yat Chan, Hao Sheng Huang
  • Patent number: D833444
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 13, 2018
    Assignee: Zerolemon Technology (Shenzhen) Co., Ltd.
    Inventors: Stephen Ching Yat Chan, Hao Sheng Huang