Patents by Inventor Sung Son

Sung Son 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: 12633363
    Abstract: A drain programmed read-only memory includes a plurality of bit lines for each drain-programmed transistor. In addition, the drain-programmed read-only memory includes a pair of ground lines for each drain-programmed transistor. A decoder decodes a plurality of bits from each drain-programmed transistor by determining which bit line (if any) and which ground line is coupled to the drain-programmed transistor.
    Type: Grant
    Filed: March 14, 2024
    Date of Patent: May 19, 2026
    Assignee: QUALCOMM Incorporated
    Inventors: Chulmin Jung, Anil Chowdary Kota, Kuk-Hwan Kim, Sung Son
  • Patent number: 12633364
    Abstract: A drain programmed read-only memory includes a plurality of bit lines for each drain-programmed transistor. In addition, the drain-programmed read-only memory includes a pair of ground lines for each drain-programmed transistor. A decoder decodes a plurality of bits from each drain-programmed transistor by determining which bit line (if any) and which ground line is coupled to the drain-programmed transistor.
    Type: Grant
    Filed: March 14, 2024
    Date of Patent: May 19, 2026
    Assignee: QUALCOMM Incorporated
    Inventors: Chulmin Jung, Anil Chowdary Kota, Kuk-Hwan Kim, Sung Son
  • Patent number: 12588179
    Abstract: A memory includes a bitcell on a substrate, having a bitcell width and a bitcell height and a first access transistor and a second access transistor. The memory includes a first metal layer patterned to form a first pair of wordlines, including a first wordline coupled to a gate of the first access transistor and a second wordline coupled to a gate of the second access transistor. The memory includes a second metal layer patterned to form a pair of second metal layer islands. The pair of second metal layer islands include a first island coupled to the first wordline and a second island coupled to the second wordline. The memory includes a third metal layer patterned to form a pair of third metal layer interconnects, including a first interconnect coupled to the first island and a second interconnect coupled to the second island.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: March 24, 2026
    Assignee: Qualcomm Incorporated
    Inventors: Sunil Sharma, Arun Babu Pallerla, Sung Son
  • Publication number: 20250374511
    Abstract: A memory includes a periphery separated from one or more banks by a bitcell-to-periphery interface. The periphery includes logic circuits for the reading and writing to bitcells within the neighboring banks. Tap cells for the biasing of the periphery extend across the bitcell-to-periphery interface.
    Type: Application
    Filed: May 31, 2024
    Publication date: December 4, 2025
    Inventors: Channappa DESAI, Sunil SHARMA, Anne SRIKANTH, Sherin BOSE, Pradeep Jayadev KODLIPET, Biju MANAKKAM VEETIL, Rahul BIRADAR, Sung SON, Manjeet Singh LOWANSHI, Kamlesh KUMAR
  • Publication number: 20250292847
    Abstract: A drain programmed read-only memory includes a plurality of bit lines for each drain-programmed transistor. In addition, the drain-programmed read-only memory includes a pair of ground lines for each drain-programmed transistor. A decoder decodes a plurality of bits from each drain-programmed transistor by determining which bit line (if any) and which ground line is coupled to the drain-programmed transistor.
    Type: Application
    Filed: March 14, 2024
    Publication date: September 18, 2025
    Inventors: Chulmin JUNG, Anil Chowdary KOTA, Kuk-Hwan KIM, Sung SON
  • Publication number: 20250292848
    Abstract: A drain programmed read-only memory includes a plurality of bit lines for each drain-programmed transistor. In addition, the drain-programmed read-only memory includes a pair of ground lines for each drain-programmed transistor. A decoder decodes a plurality of bits from each drain-programmed transistor by determining which bit line (if any) and which ground line is coupled to the drain-programmed transistor.
    Type: Application
    Filed: March 14, 2024
    Publication date: September 18, 2025
    Inventors: Chulmin JUNG, Anil Chowdary KOTA, Kuk-Hwan KIM, Sung SON
  • Publication number: 20240389292
    Abstract: A memory includes a bitcell on a substrate, having a bitcell width and a bitcell height and a first access transistor and a second access transistor. The memory includes a first metal layer patterned to form a first pair of wordlines, including a first wordline coupled to a gate of the first access transistor and a second wordline coupled to a gate of the second access transistor. The memory includes a second metal layer patterned to form a pair of second metal layer islands. The pair of second metal layer islands include a first island coupled to the first wordline and a second island coupled to the second wordline. The memory includes a third metal layer patterned to form a pair of third metal layer interconnects, including a first interconnect coupled to the first island and a second interconnect coupled to the second island.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 21, 2024
    Inventors: Sunil SHARMA, Arun Babu PALLERLA, Sung SON
  • Patent number: 11908537
    Abstract: A semiconductor device includes: a memory circuit having a plurality of quadrants arranged at corners of the memory circuit and surrounding a bank control component; wherein a first quadrant of the plurality of quadrants includes a first bit cell core and a first set of input output circuits configured to access the first bit cell core, the first quadrant defined by a rectangular boundary that encloses portions of two perpendicular edges of the memory circuit; wherein a second quadrant of the plurality of quadrants includes a second bit cell core and a second set of input output circuits configured to access the second bit cell core, the second quadrant being adjacent the first quadrant, wherein a border between the first quadrant and the second quadrant defines a first axis about which the first quadrant and the second quadrant are symmetrical.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: February 20, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: David Li, Rahul Biradar, Biju Manakkam Veetil, Po-Hung Chen, Ayan Paul, Sung Son, Shivendra Kushwaha, Ravindra Reddy Chekkera, Derek Yang
  • Publication number: 20230178118
    Abstract: A semiconductor device includes: a memory circuit having a plurality of quadrants arranged at corners of the memory circuit and surrounding a bank control component; wherein a first quadrant of the plurality of quadrants includes a first bit cell core and a first set of input output circuits configured to access the first bit cell core, the first quadrant defined by a rectangular boundary that encloses portions of two perpendicular edges of the memory circuit; wherein a second quadrant of the plurality of quadrants includes a second bit cell core and a second set of input output circuits configured to access the second bit cell core, the second quadrant being adjacent the first quadrant, wherein a border between the first quadrant and the second quadrant defines a first axis about which the first quadrant and the second quadrant are symmetrical.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Inventors: David LI, Rahul BIRADAR, Biju MANAKKAM VEETIL, Po-Hung CHEN, Ayan PAUL, Sung SON, Shivendra KUSHWAHA, Ravindra Reddy CHEKKERA, Derek YANG
  • Patent number: 11610633
    Abstract: A drain programmed read-only memory includes a diffusion region that spans a width of a bitcell and forms a drain of a first transistor and a second transistor. A bit line lead in a metal layer adjacent the diffusion region extends across the width of the bitcell. A first via extends from an upper half of the bit line lead and couples to a drain of the first transistor. Similarly, a second via extends from a lower half of the bit line and couples to a drain of the second transistor.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: March 21, 2023
    Assignee: QUALCOMM, INCORPORATED
    Inventors: Xiao Chen, Chen-ju Hsieh, Sung Son, Chulmin Jung
  • Patent number: 11600307
    Abstract: A semiconductor device includes: a memory circuit having a plurality of quadrants arranged at corners of the memory circuit and surrounding a bank control component; wherein a first quadrant of the plurality of quadrants includes a first bit cell core and a first set of input output circuits configured to access the first bit cell core, the first quadrant defined by a rectangular boundary that encloses portions of two perpendicular edges of the memory circuit; wherein a second quadrant of the plurality of quadrants includes a second bit cell core and a second set of input output circuits configured to access the second bit cell core, the second quadrant being adjacent the first quadrant, wherein a border between the first quadrant and the second quadrant defines a first axis about which the first quadrant and the second quadrant are symmetrical.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 7, 2023
    Assignee: QUALCOMM INCORPORATED
    Inventors: David Li, Rahul Biradar, Biju Manakkam Veetil, Po-Hung Chen, Ayan Paul, Sung Son, Shivendra Kushwaha, Ravindra Reddy Chekkera, Derek Yang
  • Publication number: 20230005546
    Abstract: A drain programmed read-only memory includes a diffusion region that spans a width of a bitcell and forms a drain of a first transistor and a second transistor. A bit line lead in a metal layer adjacent the diffusion region extends across the width of the bitcell. A first via extends from an upper half of the bit line lead and couples to a drain of the first transistor. Similarly, a second via extends from a lower half of the bit line and couples to a drain of the second transistor.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 5, 2023
    Inventors: Xiao CHEN, Chen-ju HSIEH, Sung SON, Chulmin JUNG
  • Patent number: 11398274
    Abstract: A pseudo-triple-port memory is provided that includes a plurality of pseudo-triple-port bitcells, each pseudo-triple-port first bitcell having a first read port including a first word line coupled to a first bit line through a first access transistor, a second read port including a second word line coupled to a second bit line through a second access transistor, and a write port including both the word lines, both the bit lines, and the pair of access transistors.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: July 26, 2022
    Assignee: QUALCOMM INCORPORATED
    Inventors: Arun Babu Pallerla, Changho Jung, Sung Son
  • Publication number: 20220208232
    Abstract: A semiconductor device includes: a memory circuit having a plurality of quadrants arranged at corners of the memory circuit and surrounding a bank control component; wherein a first quadrant of the plurality of quadrants includes a first bit cell core and a first set of input output circuits configured to access the first bit cell core, the first quadrant defined by a rectangular boundary that encloses portions of two perpendicular edges of the memory circuit; wherein a second quadrant of the plurality of quadrants includes a second bit cell core and a second set of input output circuits configured to access the second bit cell core, the second quadrant being adjacent the first quadrant, wherein a border between the first quadrant and the second quadrant defines a first axis about which the first quadrant and the second quadrant are symmetrical.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 30, 2022
    Inventors: David LI, Rahul BIRADAR, Biju MANAKKAM VEETIL, Po-Hung CHEN, Ayan PAUL, Sung SON, Shivendra KUSHWAHA, Ravindra Reddy CHEKKERA, Derek YANG
  • Patent number: 11361817
    Abstract: A bitcell architecture for a pseudo-triple-port memory is provided that includes a a bitcell arranged on a semiconductor substrate, the bitcell defining a bitcell width and a bitcell height and including a first access transistor and a second access transistor. A first metal layer adjacent the semiconductor substrate is patterned to form a pair of local bit lines arranged within the bitcell width. The pair of local bit lines includes a local bit line coupled to a terminal of the first access transistor and includes a complement local bit line coupled to a terminal of the second access transistor.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: June 14, 2022
    Assignee: QUALCOMM INCORPORATED
    Inventors: Arun Babu Pallerla, Changho Jung, Sung Son, Jason Cheng, Yandong Gao, Chulmin Jung, Venugopal Boynapalli
  • Publication number: 20220068360
    Abstract: A bitcell architecture for a pseudo-triple-port memory is provided that includes a a bitcell arranged on a semiconductor substrate, the bitcell defining a bitcell width and a bitcell height and including a first access transistor and a second access transistor. A first metal layer adjacent the semiconductor substrate is patterned to form a pair of local bit lines arranged within the bitcell width. The pair of local bit lines includes a local bit line coupled to a terminal of the first access transistor and includes a complement local bit line coupled to a terminal of the second access transistor.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 3, 2022
    Inventors: Arun Babu PALLERLA, Changho JUNG, Sung SON, Jason CHENG, Yandong GAO, Chulmin JUNG, Venugopal BOYNAPALLI
  • Publication number: 20220068371
    Abstract: A pseudo-triple-port memory is provided that includes a plurality of pseudo-triple-port bitcells, each pseudo-triple-port first bitcell having a first read port including a first word line coupled to a first bit line through a first access transistor, a second read port including a second word line coupled to a second bit line through a second access transistor, and a write port including both the word lines, both the bit lines, and the pair of access transistors.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 3, 2022
    Inventors: Arun Babu PALLERLA, Changho JUNG, Sung SON
  • Publication number: 20080018978
    Abstract: There is provided a versatile display device comprising: a first electrode layer formed on a transparent substrate; an electrochromic layer formed on the first electrode layer; a second electrode layer consisting of a plurality of first conductive line groups arranged in the first direction on the electrochromic layer; a light-emitting device layer formed on the second electrode layer and emitting light; and a third electrode layer formed on the light-emitting device layer and consisting of a plurality of second conductive line groups arranged in the second direction that is different from the first conductive line group.
    Type: Application
    Filed: July 6, 2005
    Publication date: January 24, 2008
    Inventors: Ja Jang, Hyun Lee, Sung Son
  • Publication number: 20070138893
    Abstract: A rotor includes a rotor core which has a central portion and a circumferential portion, wherein a shaft hole is formed at the central portion, a plurality of conductor mounting holes are formed along the circumferential portion, a plurality of conductors are inserted into the conductor mounting holes, respectively, and a multiplicity of magnet mounting holes are arranged around the shaft hole along at least one radial direction from the shaft hole; and at least one permanent magnet selectively mounted into at least one corresponding magnet mounting hole.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 21, 2007
    Applicant: DAEWOO ELECTRONICS Corporation
    Inventor: Sung Son
  • Publication number: 20070114865
    Abstract: An oilless bearing type motor with a function of preventing oil leakage, wherein the motor includes an oilless bearing supporting a rotational shaft to be rotatable, includes a rotor of which the rotational shaft is fixed in a central portion. The rotor has an oil collecting indentation around the rotational shaft to collect oil leaked from an oilless bearing side, and is formed by pressing soft magnetic powder. Further, The oilless bearing type motor includes an oil absorption ring formed of a material absorbing a liquid to allow the oil, which moves by a centrifugal force in the oil collection indentation, to be absorbed, and installed in the oil collecting indentation.
    Type: Application
    Filed: November 22, 2006
    Publication date: May 24, 2007
    Applicant: DAEWOOD ELECTRONICS CORPORATION
    Inventor: Sung Son