Patents by Inventor Ching Kung

Ching Kung 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: 11961891
    Abstract: A semiconductor device includes a channel component of a transistor and a gate component disposed over the channel component. The gate component includes: a dielectric layer, a first work function metal layer disposed over the dielectric layer, a fill-metal layer disposed over the first work function metal layer, and a second work function metal layer disposed over the fill-metal layer.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Ru-Shang Hsiao, Ching-Hwanq Su, Pohan Kung, Ying Hsin Lu, I-Shan Huang
  • Patent number: 10056117
    Abstract: A unitary enclosure base for a data storage device integrally includes a first surface beneath a bottom disk, a bypass channel formed with an entry area with a lower surface below the first surface, a second surface lower than the first surface and beneath an actuator arm that services the bottom surface of the bottom disk, and a flow diverter extending upward from the first surface and positioned upstream of the actuator arm. The diverter may be positioned relative to the bypass channel such that disk-generated gas flow is diverted into the bypass channel away from the actuator arm. The base may further include a spoiler extending upward from the first surface and positioned downstream of the actuator arm. The spoiler may be positioned to inhibit a wake effect upon the actuator arm.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: August 21, 2018
    Assignee: Western Digital Technologies, Inc.
    Inventors: Andre S. Chan, Ta-Chang Fu, Hitoshi Shindo, Takaaki Deguchi, May Ching Kung, Myeong Eop Kim
  • Patent number: 7062566
    Abstract: An exemplary system and method for using a network access system, such as a virtual private network (VPN), are provided. A user device may have a user session with a home agent. Additionally, an initiating security gateway may be in communication with the home agent, and a terminating security gateway may be in communication with the initiating security gateway via a tunnel (e.g., Internet Protocol in Internet Protocol (IP-in-IP) or Internet Protocol security (IPsec) tunnel). Further, a virtual local area network (VLAN) tag associated with the user session may map to a selector operable in a security policy database. The selector may be used to find a security policy defining an IPsec procedure, and the security policy may be applied to the tunnel. Also, the initiating security gateway may also include a Quality of Service (QoS) module that determines QoS markings for a packet traveling along the tunnel.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: June 13, 2006
    Assignee: 3Com Corporation
    Inventors: Satish Amara, Chandra Warrier, Ching Kung
  • Publication number: 20050201433
    Abstract: Methods and apparatus that provide TO-can optoelectronic packages suitable for optical telecommunications applications involving data speed rates of up to 10 Gbps and beyond. A TO-can optoelectronic package may comprise a TO-can cap and a TO-can header defining an interior region of the package. An optoelectronic component such as a laser or photodetector can be mounted within the interior region of the TO-can. An electrical connection may be selected for coupling the optoelectronic component to a selected post of the TO-can package. The electrical connection may include a transmission line formed from a conductive element other than a bond wire having a predefined length that can assist in reducing parasitic effects within the TO-can optoelectronic package to accommodate high-speed data rates. The transmission line itself is connected to the optoelectronic component and the selected post with a plurality of bond wires.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 15, 2005
    Inventors: Majid Riaziat, Ching-Kung Tzuang, Yi-Ching Pao
  • Patent number: 6920161
    Abstract: Various methods and apparatuses extend the useful operation speed of TO-can optoelectronic packages up to speeds of 10 Gbps and beyond.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: July 19, 2005
    Assignee: OEPic Semiconductors, Inc.
    Inventors: Majid Leondard Riaziat, Ching-Kung Tzuang, Yi-Ching Pao
  • Publication number: 20050071273
    Abstract: A multilevel hierarchical feature rights management system (100) provides an efficient way of allocating feature keys. Sub-agents (140) are provisioned or activated with application software having features. The sub-agents request permissions from feature rights management agents (120) to use these features. The feature rights management agents (120) receive feature keys over a network (130) from a feature rights server (110). The feature rights management agents (120) then permit sub-agents (140) to use their provisioned features. In a further aspect of the invention the sub-agents (140) voluntarily release feature permissions rather than the server (110) or the agents (120) forcing the sub-agents (140) to revoke rights.
    Type: Application
    Filed: September 25, 2003
    Publication date: March 31, 2005
    Applicant: UTSTARCOM, INC.
    Inventors: William Vroman, Marko Pfaff, Christian Rigg, Ching Kung, Himanshu Shekhar
  • Publication number: 20050071274
    Abstract: Permission information (110), including a security parameter index SPI and a digital signature (120), form a digital rights key (140) in a digital rights management system. The security parameter index SPI identifies and algorithm for digital signature calculation (130) and of the digital rights key (140). A digital rights source generates the digital rights key (140) using the security parameter index SPI for digital rights management of licenses to an application. A digital rights client receives the digital rights key (140) and interprets it using an algorithm identified by the security parameter index SPI.
    Type: Application
    Filed: September 27, 2003
    Publication date: March 31, 2005
    Applicant: UTSTARCOM, INC.
    Inventors: Marko Pfaff, Christian Rigg, William Vroman, Ching Kung, Himanshu Shekhar
  • Patent number: 6763018
    Abstract: A high density network access server implements a tunneling protocol between a modem module and a route server module. PPP and routing control packets received from the PPP link are tunneled to the route server for processing. The IP data packet forwarding function for the network access server is distributed directly to the modem modules. The combination of distributed PPP processing and distributed IP data packet forwarding enables the capacity of the network access server to be scaled to orders of magnitude greater than previously known, to handle thousands or even tens of thousands of simultaneous data sessions.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: July 13, 2004
    Assignee: 3COM Corporation
    Inventors: Sanil Kumar Puthiyandyil, Matthew H. Harper, Ching Kung, Shaji Radhakrishnan, Rajesh Ramankutty
  • Publication number: 20040083295
    Abstract: An exemplary system and method for using a network access system, such as a virtual private network (VPN), are provided. A user device may have a user session with a home agent. Additionally, an initiating security gateway may be in communication with the home agent, and a terminating security gateway may be in communication with the initiating security gateway via a tunnel (e.g., Internet Protocol in Internet Protocol (IP-in-IP) or Internet Protocol security (IPsec) tunnel). Further, a virtual local area network (VLAN) tag associated with the user session may map to a selector operable in a security policy database. The selector may be used to find a security policy defining an IPsec procedure, and the security policy may be applied to the tunnel. Also, the initiating security gateway may also include a Quality of Service (QoS) module that determines QoS markings for a packet traveling along the tunnel.
    Type: Application
    Filed: October 24, 2002
    Publication date: April 29, 2004
    Applicant: 3Com Corporation
    Inventors: Satish Amara, Chandra Warrier, Ching Kung
  • Publication number: 20030138008
    Abstract: Various methods and apparatuses extend the useful operation speed of TO-can optoelectronic packages up to speeds of 10 Gbps and beyond.
    Type: Application
    Filed: August 2, 2002
    Publication date: July 24, 2003
    Inventors: Majid Leondard Riaziat, Ching-Kung Tzuang, Yi-Ching Pao
  • Patent number: 5769605
    Abstract: A sealing device for a centrifugal pump is mounted on an axle of the centrifugal pump and includes a retainer ring, a supporting ring, a rotor ring, and a fixing ring. The supporting ring includes a plurality of tongues extending outwardly and radially therefrom and each having a screw hole for engagement with the retainer ring. The rotor ring includes a plurality of notches each for engaging with an associated tongue, thereby mounting the rotor ring to the retainer ring.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: June 23, 1998
    Inventor: Cheng Ching Kung
  • Patent number: 5017416
    Abstract: A paper useful in ion deposition printing. The paper comprises a base sheet or web to which there is applied a coating of a material selected from a group that is at least partially soluble with the binders of the toner employed in the printing process under the conditions of pressure and temperature at which such toner is transferred to the paper in the course of such printing.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: May 21, 1991
    Assignee: International Paper Company
    Inventors: George R. Imperial, Hsiang-Ching Kung, Paul A. Makarewicz, Bonnie J. McCormick, Lori S. Slovik