Patents by Inventor Weng Chan

Weng 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: 11953845
    Abstract: An example image forming apparatus includes a main body, a driving motor, a developing cartridge, and a clutch. The developing cartridge includes a toner container, a mounting portion to receive a toner refill cartridge, a toner inlet portion to connect the mounting portion to the toner container, and a toner inlet shutter to be switched between a blocking location for blocking the toner inlet portion and an inlet location for opening the toner inlet portion. The clutch is to selectively transmit a driving force of the driving motor to the toner inlet shutter.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: April 9, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Shin-Hyup Kang, Jiwon Moon, Jinhwa Hong, Minchul Lee, Suseong Lee, JungMin Yang, Kok Weng Chan, Lian Chye Simon Tan
  • Publication number: 20230152730
    Abstract: An example image forming apparatus includes a main body, a driving motor, a developing cartridge, and a clutch. The developing cartridge includes a toner container, a mounting portion to receive a toner refill cartridge, a toner inlet portion to connect the mounting portion to the toner container, and a toner inlet shutter to be switched between a blocking location for blocking the toner inlet portion and an inlet location for opening the toner inlet portion. The clutch is to selectively transmit a driving force of the driving motor to the toner inlet shutter.
    Type: Application
    Filed: December 14, 2020
    Publication date: May 18, 2023
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Shinhyup Kang, Jiwon Moon, Jinhwa Hong, Minchul Lee, Suseong Lee, JungMin Yang, Kok Weng Chan, Lian Chye Simon Tan
  • Patent number: 8182082
    Abstract: A printer accessory module for coupling to a printer to increase its printing capacity. The printer accessory module includes an auxiliary media module for storing and supplying printer media; and an auxiliary ink supply station for storing and supplying ink to the printer. The auxiliary ink supply station is connected to the printer by a ink delivery conduit system.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: May 22, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kok Weng Chan, Tong Nam Samuel Low, Chiok Liang Tay, Chuan Sing Beh
  • Patent number: 8172360
    Abstract: A system for servicing a printhead having a plurality of orifices formed in a face thereof includes a cap configured to mate with the face of the printhead; a porous material provided in the cap, wherein the porous material has a first side arranged to face the face of the printhead and a second side opposite the first side; and a vacuum communicated with the cap, wherein the vacuum is configured to draw fluid from the orifices of the printhead through the porous material provided in the cap. The second side of the porous material has a recess formed therein such that the vacuum is communicated with the recess.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: May 8, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chiok Liang Tay, Kok Weng Chan
  • Publication number: 20100225726
    Abstract: A printer accessory module for coupling to a printer to increase its printing capacity. The printer accessory module includes an auxiliary media module for storing and supplying printer media; and an auxiliary ink supply station for storing and supplying ink to the printer. The auxiliary ink supply station is connected to the printer by a ink delivery conduit system.
    Type: Application
    Filed: March 5, 2009
    Publication date: September 9, 2010
    Inventors: Kok Weng Chan, Tong Nam Samuel Low, Chiok Liang Tay, Chuan Sing Beh
  • Publication number: 20090213170
    Abstract: A system for servicing a printhead having a plurality of orifices formed in a face thereof includes a cap configured to mate with the face of the printhead; a porous material provided in the cap, wherein the porous material has a first side arranged to face the face of the printhead and a second side opposite the first side; and a vacuum communicated with the cap, wherein the vacuum is configured to draw fluid from the orifices of the printhead through the porous material provided in the cap. The second side of the porous material has a recess formed therein such that the vacuum is communicated with the recess.
    Type: Application
    Filed: October 24, 2008
    Publication date: August 27, 2009
    Inventors: Chiok Liang Tay, Kok Weng Chan
  • Publication number: 20080246609
    Abstract: The identification and security system is for an item (10) particularly a data storage disk, CD, DVD, etc. being borrowed by system user (11) from a library. The item comprises a data storage disk (16) mounted in a storage case (20). RF transponder means (25, 30) are mounted by the item (10) to provide identification data and security data with the data being readable from RF signals transmitted by the transponder means in response to external interrogation signals. The transponder means comprises a first RF transponder (25) which is a relatively smaller sized transponder, particularly an RFID transponder tag mounted in the annular space (18) between the central hole (17) and the inside diameter of the data storage area (19) of the disk (16). A relatively larger size transponder (30) provides improved detectivity due to the larger size.
    Type: Application
    Filed: August 31, 2006
    Publication date: October 9, 2008
    Applicant: ST LOGITRACK PTE LTD
    Inventors: Kwai Leng Tang, Chee Weng Chan
  • Publication number: 20070257888
    Abstract: Adaptive text input modes for a mobile electronic device permit efficient entry of hybrid alpha-numeric text records, such as street addresses and calendar dates, using a keypad. Adaptive text input modes automatically toggle between different text input modes in a manner that conforms to expected formats for text records. The number of keypad inputs is thereby reduced without the need for a user of the mobile electronic device to manually toggle between text input modes when entering text records on the keypad. The adaptive text input modes may be selected based on location information.
    Type: Application
    Filed: May 3, 2006
    Publication date: November 8, 2007
    Inventor: Weng Chan
  • Publication number: 20060293245
    Abstract: The present invention relates to p21 derived peptides capable of inhibiting CDK/cyclin complexes, particularly cyclins A or E/CDK2, by modifying the interaction with their substrates. The peptides are derived from a C-terminal region of p21 and display selectivity for cyclin/CDK2 inhibition over cyclin/CDK4 inhibition. Variants of such peptides particularly involving certain alanine replacements are shown to be particularly potent.
    Type: Application
    Filed: April 20, 2006
    Publication date: December 28, 2006
    Applicant: Cyclacel Limited
    Inventors: Daniella Zheleva, Peter Fischer, Campbell McInnes, Martin Andrews, Weng Chan, Gail Atkinson
  • Patent number: 7114799
    Abstract: An embodiment of the invention provides a mechanism for controlling at least one ink transmission module, which controls a supply of ink using received control rotation. The mechanism includes an input, to receive control rotation. The mechanism also includes an output, to selectively transfer the control rotation to the ink transmission module. A control system is also provided to control the selective transfer of the output. The mechanism is moveable into a disengaged configuration by the control system, in which the output does not transfer rotation of the input to the ink transmission module, by a first predetermined sequence of rotations of the input, and into an engaged configuration, in which the output transfers rotation of the input to the ink transmission module, by a second predetermined sequence of rotations of the input.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: October 3, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Pui Wen Huang, Seng San Koh, Kok Weng Chan, Wee Lian Tan
  • Publication number: 20050153894
    Abstract: The present invention relates to p21 derived peptides capable of inhibiting CDK/cyclin complexes, particularly cyclins A or E/CDK2, by modifying the interaction with their substrates. The peptides are derived from a C-terminal region of p21 and display selectivity for cyclin/CDK2 inhibition over cyclin/CDK4 inhibition. Variants of such peptides particularly involving certain alanine replacements are shown to be particularly potent.
    Type: Application
    Filed: April 13, 2004
    Publication date: July 14, 2005
    Applicant: Cyclacel Limited
    Inventors: Daniella Zheleva, Peter Fischer, Campbell Mclnnes, Martin Andrews, Weng Chan, Gail Atkinson
  • Patent number: D379986
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: June 17, 1997
    Assignee: Motorola, Inc.
    Inventors: Yew Weng Chan, Kyong Don Min, Eun Young Jun
  • Patent number: D680162
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: April 16, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chun Long Goh, Ketut Sulistyawati, Kok Weng Chan, Nick Su, Kok Chai Chong
  • Patent number: D718314
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: November 25, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kok Weng Chan, Chun Long Goh, Chung Chiet Edwin Chin, Boo Siong Lim, Su Nick