Patents by Inventor Kwok Yau

Kwok Yau 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: 20230381167
    Abstract: Provided herein is a free base crystalline form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the crystalline free base form of Compound 1 described herein.
    Type: Application
    Filed: April 24, 2023
    Publication date: November 30, 2023
    Inventors: Rajinder SINGH, Kwok YAU, Yibin ZENG, Penglie ZHANG, Rebecca M. LUI, Antoni KRASINSKI
  • Patent number: 11603356
    Abstract: Provided herein is an amorphous form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the amorphous form of Compound 1, described herein.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: March 14, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Kwok Yau, Kenken Luong, Rajinder Singh, Yibin Zeng, Penglie Zhang, Manmohan Reddy Leleti, Rebecca M. Lui
  • Patent number: 11427541
    Abstract: Provided herein are salt forms of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the salt forms of Compound 1, described herein.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: August 30, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Rajinder Singh, Kwok Yau, Yibin Zeng, Penglie Zhang, Rebecca M. Lui, Ju Yang, Howard S. Roth
  • Publication number: 20220096453
    Abstract: Provided herein is a free base crystalline form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the crystalline free base form of Compound 1 described herein.
    Type: Application
    Filed: May 4, 2021
    Publication date: March 31, 2022
    Inventors: Rajinder SINGH, Kwok YAU, Yibin ZENG, Penglie ZHANG, Rebecca M. LUI, Antoni KRASINSKI
  • Patent number: 11026935
    Abstract: Provided herein is a free base crystalline form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the crystalline free base form of Compound 1 described herein.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: June 8, 2021
    Assignee: ChemoCentryx, Inc.
    Inventors: Rajinder Singh, Kwok Yau, Yibin Zeng, Penglie Zhang, Rebecca M. Lui, Antoni Krasinski
  • Publication number: 20210139427
    Abstract: Provided herein are salt forms of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the salt forms of Compound 1, described herein.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Inventors: Rajinder SINGH, Kwok YAU, Yibin ZENG, Penglie ZHANG, Rebecca M. LUI, Ju YANG, Howard S. ROTH
  • Publication number: 20210139426
    Abstract: Provided herein is an amorphous form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the amorphous form of Compound 1, described herein.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Inventors: Kwok YAU, Kenken LUONG, Rajinder SINGH, Yibin ZENG, Penglie ZHANG, Manmohan Reddy LELETI, Rebecca M. LUI
  • Publication number: 20210137907
    Abstract: Provided herein is a free base crystalline form of a complement component 5a receptor having the formula of Compound 1 Also provided herein are pharmaceutical compositions and methods of treatment using the crystalline free base form of Compound 1 described herein.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Inventors: Rajinder SINGH, Kwok YAU, Yibin ZENG, Penglie ZHANG, Rebecca M. LUI, Antoni KRASINSKI
  • Patent number: 9445877
    Abstract: A toothbrush has a frame, a bristle holder movably mounted to a distal end of the frame, and a power transmission assembly operatively connectable to a drive motor and operatively connected to the bristle holder so as to move bristle tips on the bristle holder along an oval path relative to the frame. In a single cycle of movement along the oval path, the bristles shift away from the frame and towards the teeth, then along and in contact with the teeth in a direction away from the gum line, then back towards the frame and away from the teeth, and subsequently along the frame and out of contact with the teeth.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: September 20, 2016
    Assignee: J.T. LABS LIMITED
    Inventors: Tit Shing Wong, Siu Wai Tang, Kwok Yau Cheung, Sui Kay Wong
  • Patent number: 9302193
    Abstract: A corner booster for accelerating toy vehicles includes an entrance to which a toy vehicle enters the booster, and an exit from which the toy vehicle exits the booster. The entrance and exit are orientated so that the toy vehicle turns when traveling from the entrance to the exit. The corner booster further includes a booster member for applying a force to the toy vehicle. The force applied by the booster member increases the speed of the toy vehicle as the toy vehicle travels from the entrance to the exit. The corner booster includes a cocking mechanism that cocks the booster member with preloaded mechanical energy. The preloaded mechanical energy is used to move the booster member to apply the boosting force to the toy vehicle.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: April 5, 2016
    Assignee: Mattel, Inc.
    Inventors: Kin Fai Chang, Louis Luk Kwok Yau
  • Publication number: 20160067025
    Abstract: A toothbrush has a frame, a bristle holder movably mounted to a distal end of the frame, and a power transmission assembly operatively connectable to a drive motor and operatively connected to the bristle holder so as to move bristle tips on the bristle holder along an oval path relative to the frame. In a single cycle of movement along the oval path, the bristles shift away from the frame and towards the teeth, then along and in contact with the teeth in a direction away from the gum line, then back towards the frame and away from the teeth, and subsequently along the frame and out of contact with the teeth.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 10, 2016
    Inventors: Tit Shing Wong, Siu Wai Tang, Kwok Yau Cheung, Sui Kay Wong
  • Patent number: 9092021
    Abstract: A robotic apparatus that interacts with a user and a personal computer (PC) receives inputs from a user and from the PC and reacts and interacts. The interactive apparatus includes a USB interface with the PC to receive power and data such as key strokes, key combinations, email notifications, and web cam events, for example. The interactive apparatus also includes microphones and a phototransistor to detect sounds and movement. The interactive apparatus includes an eye assembly attached to a body and leg, which is responsive to inputs and interactions with the user and PC.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: July 28, 2015
    Assignee: J. T. Labs Limited
    Inventors: Tit Shing Wong, Wai Choi Lewie Leung, Kwok Yau Cheung
  • Patent number: 9079113
    Abstract: An interactive robotic apparatus that interacts with a user, especially an elderly individual to provide companionship and comfort. The interactive apparatus receives inputs from the user and reacts and interacts. The interactive robotic apparatus includes microphones and a phototransistor to detect sounds and movement. The interactive robotic apparatus also includes a speaker to generate sounds responsive to the interaction with the user and exhibits a breathing animation and heartbeat.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: July 14, 2015
    Assignee: J. T. Labs Limited
    Inventors: Tit Shing Wong, Wai Choi Lewie Leung, Kwok Yau Cheung
  • Publication number: 20130178981
    Abstract: A robotic apparatus that interacts with a user and a personal computer (PC) receives inputs from a user and from the PC and reacts and interacts. The interactive apparatus includes a USB interface with the PC to receive power and data such as key strokes, key combinations, email notifications, and web cam events, for example. The interactive apparatus also includes microphones and a phototransistor to detect sounds and movement. The interactive apparatus includes an eye assembly attached to a body and leg, which is responsive to inputs and interactions with the user and PC.
    Type: Application
    Filed: January 7, 2013
    Publication date: July 11, 2013
    Inventors: Tit Shing Wong, Wai Choi Lewie Leung, Kwok Yau Cheung
  • Publication number: 20130178982
    Abstract: An interactive robotic apparatus that interacts with a user, especially an elderly individual to provide companionship and comfort. The interactive apparatus receives inputs from the user and reacts and interacts. The interactive robotic apparatus includes microphones and a phototransistor to detect sounds and movement. The interactive robotic apparatus also includes a speaker to generate sounds responsive to the interaction with the user and exhibits a breathing animation and heartbeat.
    Type: Application
    Filed: January 7, 2013
    Publication date: July 11, 2013
    Inventors: Tit Shing Wong, Wai Choi Lewie Leung, Kwok Yau Cheung
  • Patent number: 8483873
    Abstract: A robotic life form simulates a live creature responsive to a changing environment sensed by the robot, and has a robotic body that is articulated for motion around an upright axis and supported by at least two legs, each having at least two joints. The neck of the body terminates in a head provided with eyes and a mouth, and, in the illustrated creature, has a tail. Internal and external input sensors are located on the robotic body and responsive to touch, sound and lighting conditions, motion, food, temperature, voice commands, time of day, and obstacles and hazards, and include a head touch sensor, a plurality of touch sensors extending along a torso of the body, and a plurality of touch sensors on the feet.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: July 9, 2013
    Assignee: Innvo Labs Limited
    Inventors: Sui Kay Wong, Kwok Yau Cheung
  • Publication number: 20120022688
    Abstract: A robotic life form simulates a live creature responsive to a changing environment sensed by the robot, and has a robotic body that is articulated for motion around an upright axis and supported by at least two legs, each having at least two joints. The neck of the body terminates in a head provided with eyes and a mouth, and, in the illustrated creature, has a tail. Internal and external input sensors are located on the robotic body and responsive to touch, sound and lighting conditions, motion, food, temperature, voice commands, time of day, and obstacles and hazards, and include a head touch sensor, a plurality of touch sensors extending along a torso of the body, and a plurality of touch sensors on the feet.
    Type: Application
    Filed: July 20, 2010
    Publication date: January 26, 2012
    Inventors: Sui Kay Wong, Kwok Yau Cheung
  • Publication number: 20100112896
    Abstract: A corner booster for accelerating toy vehicles includes an entrance to which a toy vehicle enters the booster, and an exit from which the toy vehicle exits the booster. The entrance and exit are orientated so that the toy vehicle turns when traveling from the entrance to the exit. The corner booster further includes a booster member for applying a force to the toy vehicle. The force applied by the booster member increases the speed of the toy vehicle as the toy vehicle travels from the entrance to the exit. The corner booster includes a cocking mechanism that cocks the booster member with preloaded mechanical energy. The preloaded mechanical energy is used to move the booster member to apply the boosting force to the toy vehicle.
    Type: Application
    Filed: November 6, 2009
    Publication date: May 6, 2010
    Inventors: Kin Fai Chang, Louis Luk Kwok Yau
  • Patent number: 7351269
    Abstract: A brush configured to move repeatedly over a vacuum filter. The brush will remove dust particles to prevent them from clogging the filter. In the preferred embodiment, the brush is mounted on a revolving shaft. As the shaft turns it moves the bristles of the brush over the surface of the filter, whereby dust particles may be dislodged. In one embodiment, the shaft is attached to the vacuum motor and is turned directly by the motor. In this embodiment a speed reducer may be employed to slow the rate of rotation of the brush. In another embodiment, a turbine is attached to the shaft. The turbine is placed in the path of the air stream moving through the vacuum. The air passing through the turbine cause it and the shaft to rotate, thereby reducing the load on the motor.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: April 1, 2008
    Inventor: Lau Kwok Yau
  • Publication number: 20060185313
    Abstract: A kit of building units for constructing a desired article comprising a plurality of connectors of elongate shape and a plurality of primary spherical units of identical size, each of the spherical units has a radius R and is provided with a plurality of openings, each of the openings leading to an elongate and substantially straight channel passing through or extending towards the center of the spherical unit, wherein the openings and channels are arranged such that a plurality of the spherical units are connectable together in a crystallographic configuration selected from the group consisting of hexagonal close-pack, face center cubic, body center cubic, simple cubic and diamond structure by the elongate connectors to form the desired article.
    Type: Application
    Filed: December 16, 2005
    Publication date: August 24, 2006
    Inventor: Kwok Yau