Patents by Inventor Gongyao Zhou

Gongyao Zhou 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: 10532134
    Abstract: In described embodiments, the present invention includes a magnesium-based composite material formed from a plurality of ?-phase magnesium grains; and a ?-alloy phase comprising magnesium and nano-diamond and/or and phosphate containing nanoparticles, the ?-alloy phase surrounding each of the plurality of magnesium grains. A method of manufacturing a composite material is also disclosed.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: January 14, 2020
    Assignee: Drexel University
    Inventors: Gongyao Zhou, Haibo Gong, Donggang Yao
  • Publication number: 20190367692
    Abstract: The present invention provides a 4D printed component that uses the photoisomerization stimulus as a method of activation. Other 4D printing methods use heat, moisture, a combination of heat and stress, and the heat from a light source as methods of activation. The present invention takes advantage of 3D printing capability and adds the capability of providing a printable material that dynamically changes shape over time when exposed to an external stimulus. The invention reduces the number of required 3D printed parts to create a moving object. This characteristic reduces the amount of onboard weight of the 3D printed components by reducing the number of parts required to create motion. The present invention removes the need for onboard sensors, processors, motors, power storage, etc. This characteristic will allow for manufacturing of, inter alia, novel medical devices, automated actuators, packaging, smart textiles, etc.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 5, 2019
    Inventors: Gongyao Zhou, Steven K. Leist, Daniel E. Hagaman, Haifeng Ji
  • Patent number: 9579419
    Abstract: A hydrogel material for use in three-dimensional scaffold printing is disclosed. The material is formed from a first triblock polymer having a formula ABA and a second triblock polymer having a formula AmaBAma, wherein A is a first polymer, B is a second polymer, and Ama is a methacrylate of the first polymer. The material is thermosensitive and photocrosslinkable. A method of manufacturing the material is also disclosed.
    Type: Grant
    Filed: October 18, 2015
    Date of Patent: February 28, 2017
    Assignee: Drexel University
    Inventors: Gongyao Zhou, Christopher Geisler
  • Publication number: 20170035942
    Abstract: A corrosion resistant Zn—Mg alloy implant material of high strength and toughness and absorbable by the human body, the alloy implant material having: 96 wt % to 99.98% Zn and 0.002 wt % to 4% Mg. The alloy implant material is applied to absorbable medical implants, particularly vascular stents and orthopedic implants. The alloy implant material can be absorbed in the human body environment, avoiding pain to patients caused by secondary surgery, and has much better corrosion resistance than magnesium alloy, and being able to achieve the two indexes of high corrosion resistance and high strength and toughness.
    Type: Application
    Filed: April 25, 2014
    Publication date: February 9, 2017
    Applicant: XI'AN ADVANCED MEDICAL TECHNOLOGY CO., LTD
    Inventors: Gongyao ZHOU, Gongqi QU, Haibo GONG
  • Publication number: 20170028107
    Abstract: A kind of absorbable high strength & toughness corrosion-resistant zinc alloy implant material for human body, the elemental constituent and quality percent: Ce0.001%-2%, Mg0.001%-2%, Ca0.001%-2%, Cu0.01%-3%, others are Zn. Above-mentioned zinc alloy material is prepared as absorbable medical implant by using conventional method in this field, especially for intravascular stent, orthopedic implants (bone nail or plate etc.). Zinc alloy material created by this invention has high corrosion-resistant and high strength & toughness, the medical implant prepared by this can be absorbed by the body without side effects.
    Type: Application
    Filed: January 28, 2014
    Publication date: February 2, 2017
    Applicant: XI'AN ADVANCED MEDICAL TECHNOLOGY CO., LTD.
    Inventors: Gongyao ZHOU, Gongqi QU, Haibo GONG
  • Publication number: 20160045638
    Abstract: A hydrogel material for use in three-dimensional scaffold printing is disclosed. The material is formed from a first triblock polymer having a formula ABA and a second triblock polymer having a formula AmaBAma, wherein A is a first polymer, B is a second polymer, and Ama is a methacrylate of the first polymer. The material is thermosensitive and photocrosslinkable. A method of manufacturing the material is also disclosed.
    Type: Application
    Filed: October 18, 2015
    Publication date: February 18, 2016
    Applicant: DREXEL UNIVERSITY
    Inventors: Gongyao Zhou, Christopher Geisler
  • Patent number: 9205175
    Abstract: A hydrogel material for use in three-dimensional scaffold printing is disclosed. The material is formed from a first triblock polymer having a formula ABA and a second triblock polymer having a formula AmaBAma, wherein A is a first polymer, B is a second polymer, and Ama is a methacrylate of the first polymer. The material is thermosensitive and photocrosslinkable. A method of manufacturing the material is also disclosed.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 8, 2015
    Assignee: Drexel University
    Inventors: Gongyao Zhou, Christopher Geisler
  • Patent number: 9186190
    Abstract: The present invention includes a composition for implantation in a patient, comprising surface-functionalized nanodiamonds and at least one biodegradable biocompatible polymer. The present invention also includes a surgical fixation device for use in a patient.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: November 17, 2015
    Assignee: Drexel University
    Inventors: Gongyao Zhou, Peter I. Lelkes, Yury Gogotsi, Vadym Mochalin
  • Publication number: 20150079148
    Abstract: In described embodiments, the present invention includes a magnesium-based composite material formed from a plurality of ?-phase magnesium grains; and a ?-alloy phase comprising magnesium and nano-diamond and/or and phosphate containing nanoparticles, the ?-alloy phase surrounding each of the plurality of magnesium grains. A method of manufacturing a composite material is also disclosed.
    Type: Application
    Filed: April 18, 2013
    Publication date: March 19, 2015
    Inventors: Gongyao Zhou, Haibo Gong, Donggang Yao
  • Publication number: 20140179822
    Abstract: A hydrogel material for use in three-dimensional scaffold printing is disclosed. The material is formed from a first triblock polymer having a formula ABA and a second triblock polymer having a formula AmaBAma, wherein A is a first polymer, B is a second polymer, and Ama is a methacrylate of the first polymer. The material is thermosensitive and photocrosslinkable. A method of manufacturing the material is also disclosed.
    Type: Application
    Filed: July 26, 2013
    Publication date: June 26, 2014
    Inventors: Gongyao Zhou, Christopher Geisler
  • Publication number: 20120271361
    Abstract: The present invention includes a composition for implantation in a patient, comprising surface-functionalized nanodiamonds and at least one biodegradable biocompatible polymer. The present invention also includes a surgical fixation device for use in a patient.
    Type: Application
    Filed: October 1, 2010
    Publication date: October 25, 2012
    Inventors: Gongyao Zhou, Peter I. Lelkes, Yury Gogotsi, Vadym Mochalin
  • Publication number: 20110076734
    Abstract: Apparatuses and methods for manufacturing three-dimensional, bioactive, tissue scaffold fabrications with embedded cells and bioactive materials, such as growth factors, using biomimetic structure modeling, solid freeform fabrication, biocompatible hydrogel material, and electrowetting on dielectric-based multi-microarray printing.
    Type: Application
    Filed: March 6, 2009
    Publication date: March 31, 2011
    Inventors: Gongyao Zhou, Peter I. Lelkes, Robert B. Fair
  • Patent number: 6554882
    Abstract: A rapid tooling method is provided for molding metal particles, ceramic particles or mixtures thereof directly from patterns comprising a meltable, soluble or decomposable substance and preferably formed by rapid prototyping technology, as well as particle compositions therefor. The method comprises mixing at least about 95% by weight sinterable metal particles, sinterable ceramic particles or mixtures thereof with at least about 0.5 wt. % to about 5.0 wt. % binder to form a powder mixture; casting the mixture around a pattern; applying pressure sufficient to compact the mixture to form a preform; removing the pattern; and heating the preform at a sintering temperature sufficient to sinter the particles and form a molded article.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: April 29, 2003
    Assignee: Drexel University
    Inventors: Gongyao Zhou, Zongyan He