Patents by Inventor Liwei Lin

Liwei Lin 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: 10825179
    Abstract: The present invention provides a method for establishing a biomimetic nerve graft model for nerve fascicles of the extremities, which comprises the steps of: establishing a database of fascicles structures from nerve fascicles of the extremities with an imaging technique; obtaining information of a defective nerve trunk to be repaired of the extremities; and matching and fitting the information of the defective nerve trunk to be repaired of the extremities with/to the data in the database of fascicles structures, to establish a biomimetic nerve graft model that conforms to the characteristics of fascicles microstructure for nerve fascicles of the defective nerve trunk. In the present invention, the imaging technique and clinical data are fully utilized, to establish a biomimetic nerve graft model conforming to the characteristics of fascicles microstructure for varying types of detects, thus providing more accurate model information for repair of nerve trunk defects in the extremities.
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: November 3, 2020
    Assignees: THE FIRST AFFILIATED HOSPITAL OF SUN YAT-SEN UNIVERSITY, SCHOOL OF DATA AND COMPUTER SCIENCE OF SUN YAT-SEN UNIVERSITY
    Inventors: Jian Qi, Qingtang Zhu, Liwei Yan, Zhi Yao, Xiaolin Liu, Yao Lu, Shouliang Liu, Tao Wang, Tao Lin
  • Patent number: 10821476
    Abstract: A device includes a piezoelectric diaphragm positioned on a frame. A fixed portion of the diaphragm is fixed relative to the frame and an active portion of the diaphragm is not fixed relative to the frame. The active portion of the diaphragm surrounds the fixed portion of the diaphragm and/or has a boundary with a concave shape.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: November 3, 2020
    Assignee: The Regents of the University of California
    Inventors: Benjamin Eovino, Liwei Lin, Sina Akhbari
  • Publication number: 20200282252
    Abstract: The present invention discloses a method for detoxifying chromium slag by using high sulfur coal. The method includes: sieving chromium slag into coarse-grained chromium slag and fine-grained chromium slag, air-drying and crushing both the coarse-grained chromium slag and the fine-grained chromium slag; separately mixing the crushed coarse-grained chromium slag and fine-grained chromium slag with the crushed high sulfur coal uniformly; adjusting pH values of a coarse-grained slag mixture and a fine-grained slag mixture to 8.0-11.0 and moisture content thereof to 12%-18%; conducting reduction on the treated coarse-grained slag mixture and fine-grained slag mixture, where the reduction temperature of the fine-grained slag mixture is 500-700° C., the reduction time of the fine-grained slag mixture is 10-30 min, the reduction temperature of the coarse-grained slag mixture is 800-1000° C.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 10, 2020
    Inventors: Ping Ning, Bin LI, Liwei HE, Zhang LIN, Xueming LIU
  • Patent number: 10764298
    Abstract: A computer-implemented method is provided for comparing the security profile of a particular entity to peer entities. The method can include receiving, for a particular entity, (i) a value for at least one feature and (ii) a number of security records of one or more security risk types. The method can include determining peer entities based on the value of the features; obtaining, for each peer entity, a number of security records; and adjusting the number of peer security records based on the number of entity security records. The method can further include comparing, for one or more security risk types, the received number of security records for the particular entity to the respective adjusted number of security records for each peer entity; and comparing a security profile of the particular entity to security profiles of the population of peer entities based on the comparison for the security risk types.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: September 1, 2020
    Assignee: BitSight Technologies, Inc.
    Inventors: Marc Noel Light, Liwei Lin, Thomas Erhardt Montroy, Miguel Pinto
  • Publication number: 20200125734
    Abstract: Disclosed herein are computer-implemented methods and systems for forecasting security ratings for an entity. The methods and systems can include generating a plurality of simulated instantiations of a security scenario for the entity, in which the security scenario characterized by a plurality of security events associated with at least one event type. The methods and systems can further include determining a security rating for each instantiation of the plurality of instantiations; and generating a forecast cone based on the determined security ratings for the plurality of instantiations. In some examples, for each event type of the at least one event type, the methods and systems can include determining a rate, duration, and/or temporal placement of the security events associated with the event type over a forecasting period.
    Type: Application
    Filed: March 21, 2019
    Publication date: April 23, 2020
    Inventors: Marc Noel Light, Liwei Lin, Thomas Erhardt Montroy
  • Publication number: 20200027213
    Abstract: The present invention provides a method for establishing a biomimetic nerve graft model for nerve fascicles of the extremities, which comprises the steps of: establishing a database of fascicles structures from nerve fascicles of the extremities with an imaging technique; obtaining information of a defective nerve trunk to be repaired of the extremities; and matching and fitting the information of the defective nerve trunk to be repaired of the extremities with/to the data in the database of fascicles structures, to establish a biomimetic nerve graft model that conforms to the characteristics of fascicles microstructure for nerve fascicles of the defective nerve trunk. In the present invention, the imaging technique and clinical data are fully utilized, to establish a biomimetic nerve graft model conforming to the characteristics of fascicles microstructure for varying types of detects, thus providing more accurate model information for repair of nerve trunk defects in the extremities.
    Type: Application
    Filed: January 13, 2019
    Publication date: January 23, 2020
    Inventors: Jian Qi, Qingtang Zhu, Liwei Yan, Zhi Yao, Xiaolin Liu, Yao Lu, Shouliang Liu, Tao Wang, Tao Lin
  • Publication number: 20190300560
    Abstract: An icariside compound as shown in Formula I wherein the compound is a natural chemical component in the traditional Chinese herbal epimedium or a chemically modified or a totally synthetic product based on the natural component. The compound can be used for preparing pharmaceuticals, health care products, cosmetic and skin care products and the like for improvement of immunity in a human body.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: LIANQUAN GU, CHANGYOU WU, JINLIN ZHOU, YUJING LU, TIANMIAO OU, BAOHUA HUANG, LIWEI LIN
  • Publication number: 20180207682
    Abstract: A device includes a piezoelectric diaphragm positioned on a frame. A fixed portion of the diaphragm is fixed relative to the frame and an active portion of the diaphragm is not fixed relative to the frame. The active portion of the diaphragm surrounds the fixed portion of the diaphragm and/or has a boundary with a concave shape.
    Type: Application
    Filed: January 8, 2018
    Publication date: July 26, 2018
    Inventors: Benjamin Eovino, Liwei Lin, Sina Akhbari
  • Publication number: 20180201639
    Abstract: An icariside compound as shown in Formula I wherein the compound is a natural chemical component in the traditional Chinese herbal epimedium or a chemically modified or a totally synthetic product based on the natural component. The compound can be used for preparing pharmaceuticals, health care products, cosmetic and skin care products and the like for improvement of immunity in a human body.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 19, 2018
    Applicant: FOSHAN GOLDEN HEALTH TECHNOLOGY CO., LTD.
    Inventors: Lianquan GU, Changyou WU, Jinlin ZHOU, Yujing LU, Tianmiao OU, Baohua HUANG, Liwei LIN
  • Publication number: 20180180573
    Abstract: A gas detection system for selectively detecting one or more gases from a mixture of gases includes a gas sensor that includes at least one graphene field effect transistor (GFET). The GFET includes a source electrode, a drain electrode, a graphene channel layer, a gate electrode arranged proximate the graphene channel layer, and a dielectric layer between the graphene channel layer and the gate electrode. The gas detection system also includes a modulation system electrically connected to the gate electrode to modulate a response of the GFET to the gas sample, a detector electrically connected to the source electrode and the drain electrode to detect a modulated signal containing information concerning a response of the GFET to the gas sample during modulation by the modulation system, and a signal processor configured to communicate with the detector to receive the modulated signal.
    Type: Application
    Filed: June 20, 2016
    Publication date: June 28, 2018
    Applicant: The Regents of the University of California
    Inventors: Liwei Lin, YuMeng Liu
  • Publication number: 20180047520
    Abstract: A method to a fabricate high surface area, high performance supercapacitor includes include applying a metal layer to at least a portion of a nanostructure; after applying the metal layer, oxidizing the metal layer; applying a plurality of additional metal layers onto a previously oxidized metal layer; and after applying each additional metal layer, oxidizing the additional metal layer prior to applying a successive additional metal layer. The metal layers may include a composition comprising at least one metal, the at least one metal selected from the group consisting of ruthenium, titanium, manganese, vanadium, iron, tin, cobalt and nickel. Optionally, each of the additional metal layers may be applied using atomic layering deposition (ALD).
    Type: Application
    Filed: October 6, 2017
    Publication date: February 15, 2018
    Inventors: Roseanne Warren, Firas Sammoura, Liwei Lin
  • Publication number: 20170368574
    Abstract: Piezoelectric transducers are provided. The piezoelectric transducer includes a first piezoelectric layer, a second piezoelectric layer disposed on at least a portion of the first piezoelectric layer, and a middle electrode layer disposed between the first and second piezoelectric layers, where the middle electrode layer includes an inner region and an outer region spaced apart from the inner region. Methods of making the piezoelectric transducers are also provided. The piezoelectric transducers and methods find use in a variety of applications, including devices, such as electronics devices having one or more (e.g., an array) of the piezoelectric transducers.
    Type: Application
    Filed: January 14, 2016
    Publication date: December 28, 2017
    Inventors: Firas Sammoura, Sina Akhbari, Liwei Lin
  • Patent number: 9805880
    Abstract: A method to a fabricate high surface area, high performance supercapacitor includes include applying a metal layer to at least a portion of a nanostructure; after applying the metal layer, oxidizing the metal layer; applying a plurality of additional metal layers onto a previously oxidized metal layer; and after applying each additional metal layer, oxidizing the additional metal layer prior to applying a successive additional metal layer. The metal layers may include a composition comprising at least one metal, the at least one metal selected from the group consisting of ruthenium, titanium, manganese, vanadium, iron, tin, cobalt and nickel. Optionally, each of the additional metal layers may be applied using atomic layering deposition (ALD).
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: October 31, 2017
    Assignee: Masdar Institute of Science and Technology
    Inventors: Roseanne Warren, Firas Sammoura, Liwei Lin
  • Publication number: 20170215846
    Abstract: Medical devices configured to direct sound waves to a body tissue of a subject are provided. The medical device includes a housing and a curved piezoelectric transducer, where the curved piezoelectric transducer is configured to direct sound waves produced by the curved piezoelectric transducer to the body tissue of the subject. Also provided are methods of directing sound waves to a body tissue of a subject using the subject medical devices. The subject medical devices and methods find use in a variety of applications where the treatment of a body tissue of a subject with sound waves is desired.
    Type: Application
    Filed: January 16, 2015
    Publication date: August 3, 2017
    Inventors: Firas SAMMOURA, Sina AKHBARI, Liwei LIN
  • Publication number: 20170170383
    Abstract: Curved piezoelectric transducers are provided. The curved piezoelectric transducer includes a substrate, a curved support layer having a peripheral portion in contact with the substrate, and a curved piezoelectric element disposed on the curved support layer. Methods of making the curved piezoelectric transducers are also provided. The curved piezoelectric transducers, devices and methods find use in a variety of applications, including devices, such as electronics devices, having one or more (e.g., an array) of the curved piezoelectric transducers on a substrate.
    Type: Application
    Filed: January 16, 2015
    Publication date: June 15, 2017
    Inventors: Firas Sammoura, Sina Akhbari, Liwei Lin
  • Patent number: 9284186
    Abstract: After a TEOS oxide film is formed on the surface of a semiconductor device, a PSG film and an SiN film, which have air permeability, are formed on the surface of the TEOS oxide film. Thereafter, a Poly-Si film is formed thereon. A sacrifice layer is removed by a gaseous HF that passes through the PSG film, the SiN film, and the Poly-Si film, and then, the uppermost layer is covered with a Poly-Si/SiC film. A chip scale package having a thin-film hollow-seal structure can be realized on the semiconductor element.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: March 15, 2016
    Assignees: Kabushiki Kaisha Toshiba, The Regents of the University of California
    Inventors: Hiroshi Yamada, Hideyuki Funaki, Kazuhiro Suzuki, Kazuhiko Itaya, Armon Mahajerin, Kevin Limkrailassiri, Liwei Lin
  • Publication number: 20150303001
    Abstract: A method to a fabricate high surface area, high performance supercapacitor includes include applying a metal layer to at least a portion of a nanostructure; after applying the metal layer, oxidizing the metal layer; applying a plurality of additional metal layers onto a previously oxidized metal layer; and after applying each additional metal layer, oxidizing the additional metal layer prior to applying a successive additional metal layer. The metal layers may include a composition comprising at least one metal, the at least one metal selected from the group consisting of ruthenium, titanium, manganese, vanadium, iron, tin, cobalt and nickel. Optionally, each of the additional metal layers may be applied using atomic layering deposition (ALD).
    Type: Application
    Filed: January 21, 2015
    Publication date: October 22, 2015
    Inventors: Roseanne Warren, Firas Sammoura, Liwei Lin
  • Patent number: 8789418
    Abstract: Disclosed herein is an inertial sensor. The inertial sensor includes: a plurality of driving masses; support bodies connecting a connection bridge so as to support the driving masses; a connection bridge connecting the plurality of driving masses and connecting the plurality of driving masses with the support bodies; and an electrode pattern part including driving electrodes simultaneously driving the driving masses and sensing electrode detecting axial Coriolis force of each of the driving masses.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: July 29, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Liwei Lin, Minyao Mao, Won Kyu Jeung
  • Patent number: 8739628
    Abstract: An inertial sensor includes a plate-like substrate layer, a mass body, a support frame, a limit stop extending in the central direction of the mass body from the support frame, and a detection unit detecting the displacement of the displacement part. The inertial sensor adopts the limit stop limiting the downward displacement of the mass body to prevent the support portion of the mass body from being damaged.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: June 3, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Jong Woon Kim, Liwei Lin, Minyao Mao, Heung Woo Park
  • Publication number: 20140128359
    Abstract: The invention relates to N-heterocyclic substituent-containing antibiotics, their preparation, and their use. Disclosed are sodium and potassium salts of 7-(?-((N,N?-diisopropylamidino)thio)acetylamino)-3-(((1,2,5,6-tetrahydro-2-methyl-5,6-diox o-1,2,4-triazin-3-yl)thio)methyl) cephalosporanic acid as presented by the general structure (I), their preparation, and their use. The antibiotics of the invention can be used to treat diseases caused by Gram-positive or Gram-negative bacteria such as septicaemia, gastrointestinal tract infection, and urinary tract infection. They have increased half-life in blood and lowered toxicity. They can reduce the frequency of drug use and lower medical treatment costs. They have improved stability and can be stored at ambient temperatures. The method of the invention is simple, and it produces high purity products which can meet the requirements of clinical use.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 8, 2014
    Applicants: GUANGZHOU PHARMACEUTICAL INDUSTRIAL RESEARCH INSTI, GUANGZHOU BAIYUNSHAN PHARMACEUTICAL CO., LTD. GUANGZHOU BAIYUNSHAN PHARMACEUTICAL FACTORY
    Inventors: Mao Chen, Shaoxuan Zhu, Xuebin Liu, Lizhen Zheng, Liwei Lin, Shuwen Xu, Yuping Wang, Wei Yang, Yunfeng Li, Fang Ye, Xiaona Zhang