Patents by Inventor Hai Fu

Hai Fu 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: 11949340
    Abstract: A conversion device includes a primary side circuit, a secondary side circuit, a transformer, and a control circuit. The primary side circuit includes a primary side switch and is configured to receive an input voltage. The secondary side circuit outputs an output voltage to a load. The transformer comprises a primary winding and a secondary winding, the primary winding is electrically coupled to the primary side circuit and the secondary winding electrically coupled to the secondary side circuit. The control circuit is configured to control a peak value of the current of the primary side switch, to be limited in a band range.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: April 2, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Hai-Bin Song, Qi Fu, Jian Zhou, Dao-Fei Xu, Jin-Fa Zhang
  • Patent number: 11917831
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a first conductive structure arranged over a substrate. A memory layer is arranged over the first conductive structure, below a second conductive structure, and includes a ferroelectric material. An annealed seed layer is arranged between the first and second conductive structures and directly on a first side of the memory layer. An amount of the crystal structure that includes an orthorhombic phase is greater than about 35 percent.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Song-Fu Liao, Rainer Yen-Chieh Huang, Hai-Ching Chen, Chung-Te Lin
  • Publication number: 20240060303
    Abstract: A sheathing system that envelops a building structure is provided, combining lightweight structural layers and a high R-value insulation layer to provide a unique solution. The collective layers of the sheathing system offer the benefits of decreased thickness, reduced weight, improved thermal insulation, improved structural strength, improved nailability, improved fire and smoke performance, and enhanced energy efficiency. All aspects of the disclosed sheathing system can contribute to the overall improved performance and sustainability of a building structure.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Inventors: Hai FU, Shu SITU-LOEWENSTEIN, Xiaomin GUO
  • Publication number: 20240059856
    Abstract: A sheathing system that envelops a building structure is provided, combining lightweight structural layers and a high R-value insulation layer. The insulation layer includes a coated insulation product with a reduced fluorinated blowing agent concentration, while maintaining acceptable thermal properties. The coated insulation product includes a foam product that is coated with a barrier coating. The barrier coating includes a polymer having a minimum degree of crystallinity and at least one additive. The collective layers of the sheathing system offer the benefits of decreased thickness, reduced weight, improved thermal insulation, improved structural strength, improved nailability, improved fire performance, and enhanced energy efficiency.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Inventors: Hai FU, Shu SITU-LOEWENSTEIN, Xiaomin GUO, Chase BOUDREAUX, Jeff THOMAS, Mitchell WEEKLEY, Christine HEPPE, Laura FRAZIER, Ty ROGERS, Saul SALGADO
  • Publication number: 20240059052
    Abstract: A sheathing system that envelops a building structure combines lightweight structural layers and a high R-value insulation layer. The insulation layer includes a coated insulation product formed with a low GWP blowing agent composition that is capable of achieving a 180-day R/in insulation value of at least 5. The coated insulation product includes a foam product that is coated with a barrier coating. The collective layers of the sheathing system offer the benefits of decreased thickness, reduced weight, improved thermal insulation, improved structural strength, improved nailability, improved fire performance, and enhanced energy efficiency.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Inventors: Hai FU, Shu SITU-LOEWENSTEIN, Xiaomin GUO, Chase BOUDREAUX, Jeff THOMAS, Mitchell WEEKLEY, Christine HEPPE, Laura FRAZIER
  • Publication number: 20220389715
    Abstract: A roofing material is provided that includes an asphalt impregnated substrate comprising a first surface defining an upper side of the shingle and an opposed a second surface defining a lower side of the shingle, wherein the substrate includes a headlap portion, a tab portion, and a nail zone situated between the headlap portion and the tab portion; an adhesive on the lower side of the shingle; a plurality of granules embedded in the first asphalt coating, forming a top face that includes the granules and a partially exposed first asphalt coating; and at least one anti-stick coating located on the first surface of the shingle on at least one of the headlap portion and the tab portion.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Inventors: Ozma Lane, Hai Fu, William Smith, Daniel Buckwalter, Nardine Abadeer
  • Publication number: 20210164228
    Abstract: Asphalt-based roofing materials, such as shingles, are disclosed that include a band of a parting material. The asphalt-based roofing material includes at least one asphalt-coated substrate that defines a headlap portion and a tab portion each having opposed top and bottom surfaces; a layer of backdust applied to at least a portion of the bottom surface of the headlap portion and to at least a portion of the bottom surface of the tab portion; a release section of parting material applied to the layer of backdust, where the parting material is included in the in the range of 0.0005 kg/m2 to 1 kg/m2; and an adhesive.
    Type: Application
    Filed: December 2, 2020
    Publication date: June 3, 2021
    Inventors: Hai Fu, Ozma Lane, William E. Smith
  • Patent number: 10487549
    Abstract: A hinge used for being installed between a door leaf and a door frame or between a sash and a window frame (7). The hinge includes a gear and rack unit and an inclined draw bar (1). The gear and rack unit is installed on the door frame or window frame (7). A gear (5) is rotatably installed on the door frame or window frame (7). A rack is located on one side of the gear (5). The gear (5) is meshed with the rack. A gear installation portion (51) is arranged on one side of the gear (5). Both ends of the inclined draw bar (1) are installed on the door leaf and door frame or the sash and window frame (7) respectively. According to the present invention, the problem that the existing hinge is unreasonably stressed and prone to damage is effectively solved.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: November 26, 2019
    Inventor: Hai Fu
  • Publication number: 20190163846
    Abstract: A method using drive test data for propagation model calibration includes: step 1, obtaining original drive test data; step 2, selecting the data from the drive test data according to predefined conditions as effective drive test data; and step 3, extracting the effective drive test data to form a data file used for propagation model calibration. An apparatus using drive test data for propagation model calibration includes: a drive test data obtaining module, configured to obtain the drive test data in the regions to be calibrated; an effective drive test data generation module, configured to generate effective drive test data from the drive test data according to predefined conditions; and a data file generation module, configured to extract the effective drive test data to form a data file used for propagation model calibration. The present invention utilizes drive test data of existing networks to largely decrease the CW test work and reduce the network building cost.
    Type: Application
    Filed: May 29, 2018
    Publication date: May 30, 2019
    Inventors: Yusheng Zhang, Sheng Zhou, Chenguang Wei, Li Zhang, Peng Gao, Wuije Hu, Yanyun Zhu, Wenhua Ma, Pei Zhao, Yaxi Hu, Hongbin Jin, Jing Yuan, Bin Zhang, Hanhui Wei, Hai Fu
  • Publication number: 20170228476
    Abstract: A method using drive test data for propagation model calibration includes: step 1, obtaining original drive test data; step 2, selecting the data from the drive test data according to predefined conditions as effective drive test data; and step 3, extracting the effective drive test data to form a data file used for propagation model calibration. An apparatus using drive test data for propagation model calibration includes: a drive test data obtaining module, configured to obtain the drive test data in the regions to be calibrated; an effective drive test data generation module, configured to generate effective drive test data from the drive test data according to predefined conditions; and a data file generation module, configured to extract the effective drive test data to form a data file used for propagation model calibration. The present invention utilizes drive test data of existing networks to largely decrease the CW test work and reduce the network building cost.
    Type: Application
    Filed: August 16, 2016
    Publication date: August 10, 2017
    Inventors: Yusheng Zhang, Sheng Zhou, Chenguang Wei, Li Zhang, Peng Gao, Wuije Hu, Yanyun Zhu, Wenhua Ma, Pei Zhao, Yaxi Hu, Hongbin Jin, Jing Yuan, Bin Zhang, Hanhui Wei, Hai Fu
  • Publication number: 20170167171
    Abstract: A hinge used for being installed between a door leaf and a door frame or between a sash and a window frame (7). The hinge includes a gear and rack unit and an inclined draw bar (1). The gear and rack unit is installed on the door frame or window frame (7). A gear (5) is rotatably installed on the door frame or window frame (7). A rack is located on one side of the gear (5). The gear (5) is meshed with the rack. A gear installation portion (51) is arranged on one side of the gear (5). Both ends of the inclined draw bar (1) are installed on the door leaf and door frame or the sash and window frame (7) respectively. According to the present invention, the problem that the existing hinge is unreasonably stressed and prone to damage is effectively solved.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Inventor: Hai Fu
  • Patent number: 8269338
    Abstract: A semiconductor device mountable to a substrate includes a semiconductor die and an electrically conductive lead frame having first and second end portions and a first attachment surface and a second attachment surface. The die electrically contacts the first end portion of the lead frame on the first attachment surface. An externally exposed housing encloses the semiconductor die and the first end portion of the lead frame, said housing including a metallic plate facing the second attachment surface of the lead frame.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: September 18, 2012
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: 8048714
    Abstract: A semiconductor device mountable to a substrate includes a semiconductor die and an electrically conductive attachment region having a first attachment surface and a second attachment surface. The first attachment surface is arranged for electrical communication with the semiconductor die. A housing at least in part encloses the semiconductor die and the interlayer material. The housing has a recess disposed through the second attachment surface of the electrically conductive attachment region. A dielectric, thermally conductive interlayer material is located in the recess and secured to the housing. A metallic plate is located in the recess and secured to the interlayer material.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: November 1, 2011
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: 7719096
    Abstract: A semiconductor device mountable to a substrate is provided. The device includes a semiconductor die and an electrically conductive attachment region having a first attachment surface and a second attachment surface. The first attachment surface is arranged for electrical communication with the semiconductor die. An interlayer material is formed on the second attachment surface of the electrically conductive attachment region. The interlayer material is a thermally conductive, dielectric material. A housing at least in part encloses the semiconductor die and the interlayer material.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: May 18, 2010
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Publication number: 20090157342
    Abstract: A method using drive test data for propagation model calibration includes: step 1, obtaining original drive test data; step 2, selecting the data from the drive test data according to predefined conditions as effective drive test data; and step 3, extracting the effective drive test data to form a data file used for propagation model calibration. An apparatus using drive test data for propagation model calibration includes: a drive test data obtaining module, configured to obtain the drive test data in the regions to be calibrated; an effective drive test data generation module, configured to generate effective drive test data from the drive test data according to predefined conditions; and a data file generation module, configured to extract the effective drive test data to form a data file used for propagation model calibration. The present invention utilizes drive test data of existing networks to largely decrease the CW test work and reduce the network building cost.
    Type: Application
    Filed: October 29, 2008
    Publication date: June 18, 2009
    Applicants: China Mobile Communication Corp. Design Institute, China Mobile Communication Corp., China Mobile Communication Corp. Fujian Ltd.
    Inventors: Yusheng Zhang, Sheng Zhou, Chenguang Wei, Li Zhang, Peng Gao, Wujie Hu, Yanyun Zhu, Wenhua Ma, Pei Zhao, Yaxi Hu, Hongbin Jin, Jing Yuan, Bin Zhang, Hanhui Wei, Hai Fu
  • Publication number: 20080036073
    Abstract: A semiconductor device mountable to a substrate includes a semiconductor die and an electrically conductive attachment region having a first attachment surface and a second attachment surface. The first attachment surface is arranged for electrical communication with the semiconductor die. A housing at least in part encloses the semiconductor die and the interlayer material. The housing has a recess disposed through the second attachment surface of the electrically conductive attachment region. A dielectric, thermally conductive interlayer material is located in the recess and secured to the housing. A metallic plate is located in the recess and secured to the interlayer material.
    Type: Application
    Filed: July 9, 2007
    Publication date: February 14, 2008
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Publication number: 20080036072
    Abstract: A semiconductor device mountable to a substrate is provided. The device includes a semiconductor die and an electrically conductive attachment region having a first attachment surface and a second attachment surface. The first attachment surface is arranged for electrical communication with the semiconductor die. An interlayer material is formed on the second attachment surface of the electrically conductive attachment region. The interlayer material is a thermally conductive, dielectric material. A housing at least in part encloses the semiconductor die and the interlayer material.
    Type: Application
    Filed: July 9, 2007
    Publication date: February 14, 2008
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: D573116
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: July 15, 2008
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: D616387
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: May 25, 2010
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: D654881
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: February 28, 2012
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian