Patents by Inventor Zhizhang Chen

Zhizhang Chen 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).

  • Publication number: 20200331030
    Abstract: The present disclosure relates to a Radix Codcnopsitis Pilosulas sorting and threading machine that rapidly sorts and automatically threads a Radix Codcnopsitis Pilosulas into a string. The Radix Codcnopsitis Pilosulas sorting and threading machine includes a bottom plate, a support leg, a mounting frame, an N-shaped frame, a feeding hopper, a baffle, a first roller, a first conveyor belt, a drive motor, a deep groove ball bearing and a spindle, where the mounting frame is fixedly mounted on the bottom plate through the support leg, the N-shaped frame is mounted on an upper left side of the mounting frame, the feeding hopper is mounted in the top of the mounting frame, two first rollers are rotatably mounted on an upper part of the mounting frame, and a first roller on the right is higher than a first roller on the left.
    Type: Application
    Filed: March 25, 2020
    Publication date: October 22, 2020
    Inventors: Hua Zhu, Zhizhang Chen, Haiqiang Hu
  • Publication number: 20200197478
    Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 25, 2020
    Inventors: Xiaofang LUO, Zuodong QIN, Fulin HE, Xiaoping OUYANG, Zhizhang LI, Changjian LI, Qianrui PENG, Zhesheng CHEN
  • Publication number: 20200197479
    Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 25, 2020
    Inventors: Xiaofang LUO, Zuodong QIN, Fulin HE, Xiaoping OUYANG, Zhizhang LI, Changjian LI, Qianrui PENG, Zhesheng CHEN
  • Publication number: 20200158645
    Abstract: A method for forming a surface enhanced Raman spectroscopy (SERS) sensing apparatus may include providing a body having an internal microfluidic passage, the microfluidic passage having an interior surrounded by an interior surface, depositing a conformal inorganic passivation film onto the interior surface so as to continuously surround the interior by atomic layer deposition and positioning a SERS sensor in connection with the microfluidic passage after the depositing of the conformal inorganic film.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 21, 2020
    Inventors: Zhizhang Chen, Chien-Hua Chen, James E Abbott
  • Patent number: 10654270
    Abstract: According to an example, a printhead including a thin film passivation layer, an adhesion layer, and a fluidics layer; wherein the thin film passivation layer is an atomic layer deposition thin film layer is disclosed.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: May 19, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Zhizhang Chen, Mohammed S Shaarawi
  • Patent number: 10603350
    Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 31, 2020
    Assignee: HUNAN UNIVERSITY OF SCIENCE AND ENGINEERING
    Inventors: Xiaofang Luo, Zuodong Qin, Fulin He, Xiaoping Ouyang, Zhizhang Li, Changjian Li, Qianrui Peng, Zhesheng Chen
  • Patent number: 10532571
    Abstract: In one example, a printhead structure includes an ejector element, a multi-layer insulator covering the ejector element, and an amorphous metal on the insulator.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: January 14, 2020
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, James Elmer Abbott, Jr., Michael W Cumbie, Roberto A Pugliese
  • Patent number: 10479094
    Abstract: Energy efficient printheads are disclosed. An example printhead includes a substrate with channels to direct ink toward a plurality of nozzles of the printhead. The example printhead further includes a passivation layer on the substrate. The passivation layer includes a first thin film of a first dielectric material formed using atomic layer deposition.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: November 19, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Mohammed Shaarawi, Brian Bolf, Paul Krause
  • Publication number: 20190336568
    Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.
    Type: Application
    Filed: May 8, 2019
    Publication date: November 7, 2019
    Inventors: Xiaofang LUO, Zuodong QIN, Fulin HE, Xiaoping OUYANG, Zhizhang LI, Changjian LI, Qianrui PENG, Zhesheng CHEN
  • Patent number: 10449762
    Abstract: According to an example, a fluid ejection device may include a substrate, a resistor positioned on the substrate, an overcoat layer positioned over the resistor, a fluidics layer having surfaces that form a firing chamber about the resistor, in which the overcoat layer is positioned between the resistor and the firing chamber, and a thin film membrane covering the surfaces of the fluidics layer that form the firing chamber and a portion of the overcoat layer that is in the firing chamber.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 22, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: James R. Przybyla, Zhizhang Chen
  • Patent number: 10437741
    Abstract: A loading control method and system for a storage device are disclosed. The method includes: judging whether a storage controller is valid through a first bus, and judging whether a storage controller is valid through a first bus, and acquiring a key of the storage controller if a positive judgement is made; judging whether the key is valid, commanding the storage controller to turn on a power supply of a storage device if a positive judgement is made; and loading the storage device through a second bus. According to the method, storage devices based on windows and android systems are allowed to be loaded after the verification of storage devices is successful. The method protects data security of a user can be effectively and provides reliable and effective protection for future private cloud service data.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 8, 2019
    Assignee: MEIBEIKE (SHENZHEN) TECHNOLLOGY CO., LTD
    Inventors: Zhizhang Wang, Donghai Chen, Bo Xiao, Hui Wang
  • Publication number: 20190263125
    Abstract: In some examples, to form a fluid ejection device, a thermal resistor is formed on a substrate, a nitride layer is formed over the thermal resistor, and an oxide layer is formed over the nitride layer using atomic layer deposition (ALD) at a temperature greater than 250° Celsius, where the nitride layer and the oxide layer make up a passivation layer to protect the thermal resistor.
    Type: Application
    Filed: January 31, 2016
    Publication date: August 29, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Robert A Pugliese, Mohammed S Shaarawi
  • Publication number: 20190217613
    Abstract: A thin film stack can include a metal substrate having a thickness of from 200 angstroms to 5000 angstroms and a passivation barrier disposed on the metal substrate at a thickness of from 600 angstroms to 1650 angstroms. The passivation barrier can include a dielectric layer and an atomic layer deposition (ALD) layer disposed on the dielectric layer. The dielectric layer can have a thickness of from 550 to 950 angstroms. The ALD layer can have a thickness from 50 to 700 angstroms.
    Type: Application
    Filed: September 26, 2016
    Publication date: July 18, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Mohammed S Shaarawi, Jeremy Sells
  • Publication number: 20190152226
    Abstract: According to an example, a printhead including a thin film passivation layer, an adhesion layer, and a fluidics layer; wherein the thin film passivation layer is an atomic layer deposition thin film layer is disclosed
    Type: Application
    Filed: July 12, 2016
    Publication date: May 23, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Mohammed S Shaarawi
  • Patent number: 10232613
    Abstract: In one example, a liquid ejection device. The device includes a first metal layer over a substrate, a dielectric layer over the first metal layer, and an orifice through the dielectric layer to the first metal layer. The device also includes a second metal layer over the dielectric layer and partially filling the orifice to form a via to electrical connect the two metal layers. The via has a depth-to-width ratio of at least 0.4. The device further includes a passivation stack covering the second metal layer including all interior surfaces of the via. The stack includes an ALD-deposited layer formed by atomic layer deposition.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: March 19, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Mohammed Saad Shaarawi, Roberto A Pugliese, Jr.
  • Publication number: 20180372543
    Abstract: In an example, a lab-on-chip Raman spectroscopy system is described. The lab-on-chip system includes a housing having a fluid channel formed thereon. The fluid channel is coupled to an inlet and to an outlet. A surface-enhanced Raman spectroscopy substrate is positioned inside the fluid channel. The surface-enhanced Raman spectroscopy substrate includes a plasmonic nanostructure and a sacrificial, conformal passivation coating deposited over at least the plasmonic nanostructure.
    Type: Application
    Filed: April 19, 2016
    Publication date: December 27, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhizhang Chen, Chien-Hua Chen, James Elmer Abbott, JR.
  • Patent number: 10160206
    Abstract: Accounting for oscillations with drop ejection waveforms can include identifying a previous ejection waveform having a first plurality of parameters including a time interval from a final pulse of the previous ejection waveform. Accounting for oscillations with drop ejection waveforms can include determining a second plurality of parameters based on the first plurality of parameters, where the second plurality of parameters define a current ejection waveform that accounts for oscillations caused by the previous ejection waveform. Accounting for oscillations with drop ejection waveforms can include applying the current ejection waveform to cause an ejection nozzle of the printhead to generate a desired fluid drop.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: December 25, 2018
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Zhizhang Chen, Tony S. Cruz-Uribe, Peter J. Fricke
  • Patent number: 10125010
    Abstract: An elastic device may comprise an amorphous metal comprising at least one refractory metal, at least two elements selected from periods, 4, 5, 6, 9, and 10, and at least one metalloid. A membrane may comprise a layer of silicon dioxide and a layer of amorphous metal. A MEMS device may comprise a layer of amorphous metal comprising at least one refractory metal, at least two elements selected from periods, 4, 5, 6, 9, and 10, and a metalloid. In one example, the amorphous material comprises Tantalum (Ta), Tungsten (W), and Silicon (Si). In another example, the metalloid is Silicon. In yet another example, the refractory metals comprise Niobium, Molybdenum, Tantalum, Tungsten, Rhenium, or combinations thereof.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: November 13, 2018
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: James Elmer Abbott, Jr., Zhizhang Chen, John L Williams
  • Publication number: 20180281425
    Abstract: Energy efficient printheads are disclosed. An example printhead includes a substrate with channels to direct ink toward a plurality of nozzles of the printhead. The example printhead further includes a passivation layer on the substrate. The passivation layer includes a first thin film of a first dielectric material formed using atomic layer deposition.
    Type: Application
    Filed: January 20, 2016
    Publication date: October 4, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhizhang Chen, Mohammed Shaarawi, Brian Bolf, Paul Krause
  • Publication number: 20180222203
    Abstract: According to an example, a fluid ejection device may include a substrate, a resistor positioned on the substrate, an overcoat layer positioned over the resistor, a fluidics layer having surfaces that form a firing chamber about the resistor, in which the overcoat layer is positioned between the resistor and the firing chamber, and a thin film membrane covering the surfaces of the fluidics layer that form the firing chamber and a portion of the overcoat layer that is in the firing chamber.
    Type: Application
    Filed: October 30, 2015
    Publication date: August 9, 2018
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: James R. PRZYBYLA, Zhizhang CHEN