Patents by Inventor Richard Y. Chang

Richard Y. Chang 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: 20240082202
    Abstract: Methods and compositions containing a phorbol ester or derivative of a phorbol ester are provided for prevention and treatment of sudden acute respiratory syndrome (SARS) coronavirus infection, including SARS-CoV-2 infection and related COVID-19 disease. Also provided are methods and compositions for preventing and treating acute inflammatory conditions and related pathogenic injuries, including Acute Respiratory Distress Syndrome (ARDS) and cytokine storm syndrome (CSS) seen in severe SARS-CoV-2/COVID-19 cases.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 14, 2024
    Inventors: Richard L. CHANG, Ben Y. CHANG
  • Patent number: 9490812
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: November 8, 2016
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 8680913
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: March 25, 2014
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 8441314
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: May 14, 2013
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 8253484
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: August 28, 2012
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 8072260
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: December 6, 2011
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 7859329
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: December 28, 2010
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang
  • Patent number: 7646237
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: January 12, 2010
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y Chang
  • Patent number: 7286007
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: October 23, 2007
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y Chang
  • Patent number: 7236007
    Abstract: Methods and system for achieving improved copyright protection for programmable logic devices are disclosed. One preferred embodiment comprises a programmable logic device comprising a programmable element programmed by a mutated programming pattern, said mutated programming pattern causing the PLD to generate a mutated output; and a circuit element that translates the mutated output into a normal output.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: June 26, 2007
    Assignee: Altera Corporation
    Inventor: Richard Y. Chang
  • Patent number: 7119574
    Abstract: Enhanced passgate structures for use in low-voltage systems are presented in which the influence of Vt on the range of signals passed by single-transistor passgates is reduced. In one arrangement, the VGATE?Vt limit for signals propagated through NMOS passgates is raised by applying a higher VGATE; in another arrangement, the Vt is lowered. The use of CMOS passgates in applications where single-transistor passgates have traditionally been used is also presented.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: October 10, 2006
    Assignee: Altera Corporation
    Inventors: Andy L Lee, Wanli Chang, Cameron McClintock, John E Turner, Brian D Johnson, Chiao Kai Hwang, Richard Y Chang, Richard G Cliff
  • Patent number: 7075365
    Abstract: In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus.
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: July 11, 2006
    Assignee: Altera Corporation
    Inventors: Gregory Starr, Kang Wei Lai, Richard Y. Chang