Patents by Inventor Ji Pan

Ji Pan 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: 11936080
    Abstract: Anode materials comprising various compositions of strontium iron cobalt molybdenum oxide (SFCM) for low- or intermediate-temperature solid oxide fuel cell (SOFCs) are provided. These materials offer high conductivity achievable at intermediate and low temperatures and can be used to prepare the anode layer of a SOFC. A method of making a low- or intermediate temperature SOFC having an anode layer including SFCM is also provided.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: March 19, 2024
    Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK
    Inventors: Ke-Ji Pan, Eric D. Wachsman, Mohammed Hussain Abdul Jabbar
  • Patent number: 11817589
    Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: November 14, 2023
    Assignees: Redox Power Systems, LLC, University of Maryland, College Park
    Inventors: Ke-Ji Pan, Mohammed Hussain Abdul Jabbar, Dong Ding, Eric Wachsman
  • Publication number: 20220223880
    Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.
    Type: Application
    Filed: November 2, 2021
    Publication date: July 14, 2022
    Inventors: Ke-Ji PAN, Mohammed Hussain ABDUL JABBAR, Dong DING, Eric WACHSMAN
  • Patent number: 11228039
    Abstract: The disclosure relates to solid oxide fuel cell (SOFC) anode materials that comprise various compositions of chromate based oxide materials. These materials offer high conductivity achievable at intermediate and low temperatures and can be used to prepare the anode layer of a SOFC. A method of making a low- or intermediate-temperature SOFC having an anode layer comprising a chromate based oxide material is also provided.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: January 18, 2022
    Assignee: University of Maryland, College Park
    Inventors: Mohammed Hussain Abdul Jabbar, Eric D. Wachsman, Ke-Ji Pan
  • Patent number: 11196053
    Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: December 7, 2021
    Assignees: REDOX POWER SYSTEMS, LLC, UNIVERSITY OF MARYLAND, COLLEGE PARK
    Inventors: Ke-Ji Pan, Mohammed Hussain Abdul Jabbar, Dong Ding, Eric Wachsman
  • Publication number: 20210344018
    Abstract: In various embodiments, a solid oxide fuel cell is fabricated in part by disposing a functional layer between the cathode and the solid electrolyte.
    Type: Application
    Filed: May 24, 2021
    Publication date: November 4, 2021
    Inventors: Ke-Ji PAN, Mohammed Hussain ABDUL JABBAR, Dong DING, Eric WACHSMAN
  • Publication number: 20210226243
    Abstract: Anode materials comprising various compositions of strontium iron cobalt molybdenum oxide (SFCM) for low- or intermediate-temperature solid oxide fuel cell (SOFCs) are provided. These materials offer high conductivity achievable at intermediate and low temperatures and can be used to prepare the anode layer of a SOFC. A method of making a low- or intermediate temperature SOFC having an anode layer including SFCM is also provided.
    Type: Application
    Filed: January 26, 2021
    Publication date: July 22, 2021
    Inventors: Ke-Ji PAN, Eric D. WACHSMAN, Mohammed Hussain ABDUL JABBAR
  • Patent number: 11050062
    Abstract: In various embodiments, a solid oxide fuel cell is fabricated in part by disposing a functional layer between the cathode and the solid electrolyte.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 29, 2021
    Assignees: REDOX POWER SYSTEMS, LLC, UNIVERSITY OF MARYLAND, COLLEGE PARK
    Inventors: Ke-Ji Pan, Mohammed Hussain Abdul Jabbar, Dong Ding, Eric Wachsman
  • Patent number: 10978585
    Abstract: A semiconductor device formed on a semiconductor substrate includes: an epitaxial layer overlaying the semiconductor substrate; a drain formed on back of the semiconductor substrate; a drain region that extends into the epitaxial layer; an active region comprising: a body disposed in the epitaxial layer; a source embedded in the body; a gate trench extending into the epitaxial layer; a gate disposed in the gate trench; an active region contact trench extending through the source and the body; and an active region contact electrode disposed within the active region contact trench; and an island region under the active region contact trench and disconnected from the body, the island region having an opposite polarity as the epitaxial layer; wherein the active region contact trench has a non-uniform depth.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: April 13, 2021
    Inventors: Anup Bhalla, Xiaobin Wang, Ji Pan, Sung-Po Wei
  • Patent number: 10938052
    Abstract: Anode materials comprising various compositions of strontium iron cobalt molybdenum oxide (SFCM) for low- or intermediate-temperature solid oxide fuel cell (SOFCs) are provided. These materials offer high conductivity achievable at intermediate and low temperatures and can be used to prepare the anode layer of a SOFC. A method of making a low- or intermediate temperature SOFC having an anode layer including SFCM is also provided.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 2, 2021
    Assignee: University of Maryland, College Park
    Inventors: Ke-Ji Pan, Eric D. Wachsman, Mohammed Hussain Abdul Jabbar
  • Patent number: 10763351
    Abstract: Fabricating a semiconductor device comprises: forming a gate trench in an epitaxial layer overlaying a semiconductor substrate; depositing gate material in the gate trench; forming a body in the epitaxial layer; forming a source embedded in the body; forming a contact trench that extends through the source and at least part of the body; disposing an implant at least along a contact trench wall; and disposing an epitaxial enhancement portion below the contact trench and in contact with the implant.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 1, 2020
    Assignee: Alpha and Omega Semiconductor Incorporated
    Inventors: Ji Pan, Anup Bhalla
  • Patent number: 10741105
    Abstract: A wireless image processing system includes a splitter software and processing apparatus configured to receive or forward picture element data. Image data in a computer may be split, wirelessly transmitted, and processed to form an any size integrity image/video display on a building or structure, meanwhile no physical damage may be done on or to the building or no physical cabling obstacle for image or video dividing and combining at a lighting show.
    Type: Grant
    Filed: December 23, 2018
    Date of Patent: August 11, 2020
    Assignee: olighto Inc.
    Inventors: Ji Pan, Huang Ming
  • Publication number: 20200119185
    Abstract: A semiconductor device formed on a semiconductor substrate includes: an epitaxial layer overlaying the semiconductor substrate; a drain formed on back of the semiconductor substrate; a drain region that extends into the epitaxial layer; an active region comprising: a body disposed in the epitaxial layer; a source embedded in the body; a gate trench extending into the epitaxial layer; a gate disposed in the gate trench; an active region contact trench extending through the source and the body; and an active region contact electrode disposed within the active region contact trench; and an island region under the active region contact trench and disconnected from the body, the island region having an opposite polarity as the epitaxial layer; wherein the active region contact trench has a non-uniform depth.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 16, 2020
    Inventors: Anup Bhalla, Xiaobin Wang, Ji Pan, Sung-Po Wei
  • Publication number: 20200099060
    Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.
    Type: Application
    Filed: September 17, 2019
    Publication date: March 26, 2020
    Inventors: Ke-Ji PAN, Mohammed Hussain ABDUL JABBAR, Dong DING, Eric WACHSMAN
  • Patent number: 10535764
    Abstract: Fabricating a semiconductor device includes: forming a first gate trench and a second gate trench in an epitaxial layer overlaying a semiconductor substrate; depositing gate material in the first gate trench to form a first gate and depositing gate material in the second gate trench to form a second gate; forming a body; forming a source; forming an active region contact trench that extends through the source and the body, and a gate contact trench within the second gate; forming an island region under the active region contact trench and disconnected from the body, the island region having an opposite polarity as the epitaxial layer; and disposing a first electrode within the active region contact trench and a second electrode within the gate contact trench.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: January 14, 2020
    Assignee: Alpha and Omega Semiconductor Limited
    Inventors: Anup Bhalla, Xiaobin Wang, Ji Pan, Sung-Po Wei
  • Patent number: 10461335
    Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: October 29, 2019
    Assignees: REDOX POWER SYSTEMS, LLC, UNIVERSITY OF MARYLAND, COLLEGE PARK
    Inventors: Ke-Ji Pan, Mohammed Hussain Abdul Jabbar, Dong Ding, Eric Wachsman
  • Patent number: 10388781
    Abstract: A bi-directional switch device includes two inter-digitated back-to-back vertical metal oxide semiconductor field effect transistors (MOSFETs) formed on a substrate with their drains connected together, but otherwise isolated from each other.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: August 20, 2019
    Assignee: ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED
    Inventors: Madhur Bobde, Sik Lui, Ji Pan
  • Patent number: 10325908
    Abstract: A trench metal-oxide-semiconductor field-effect transistor (MOSFET) device, comprising a substrate of a first conductivity type, a body region of a second conductivity type, a gate electrode formed in a gate trench extending in the body region and substrate, a lightly doped source region and a heavily doped source region formed in the body region, and a source contact extending to the body region formed in a source contact trench next to the gate trench. The lightly doped source region is extended deeper in the body region than the heavily doped source region. The lightly doped source region is adjacent to the source contact trench. A ballast resistor is formed at the lightly doped source region between the heavily doped source region and the body region and a Schottky diode is formed at a contact between the source contact and the lightly doped source region.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: June 18, 2019
    Assignee: ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED
    Inventors: Sik Lui, Madhur Bobde, Ji Pan
  • Publication number: 20190148738
    Abstract: In various embodiments, a solid oxide fuel cell is fabricated in part by disposing a functional layer between the cathode and the solid electrolyte.
    Type: Application
    Filed: December 6, 2018
    Publication date: May 16, 2019
    Inventors: Ke-Ji PAN, Mohammed Hussain ABDUL JABBAR, Dong DING, Eric WACHSMAN
  • Publication number: 20190130797
    Abstract: A wireless image processing system includes a splitter software and processing apparatus configured to receive or forward picture element data. Image data in a computer may be split, wirelessly transmitted, and processed to form an any size integrity image/video display on a building or structure, meanwhile no physical damage may be done on or to the building or no physical cabling obstacle for image or video dividing and combining at a lighting show.
    Type: Application
    Filed: December 23, 2018
    Publication date: May 2, 2019
    Inventors: Ji Pan, Huang Ming