Patents by Inventor Guofu Li

Guofu Li 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: 10107838
    Abstract: The present invention provides an online monitoring circuit of the series compensation spark gap divider return circuit. Said series compensation spark gap divider return circuit includes a voltage equalization link and a voltage sampling link. Said voltage link includes the capacitor C which series said voltage equalization link. Said online monitoring circuit includes the voltage sampling input module, series compensation current input module and the compare module. Said sampling voltage input module after amplified the voltage of the two ends of the series capacitor C converts it into direct current signal.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 23, 2018
    Assignees: STATE GRID COOPERATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTE
    Inventors: Guofu Li, Hui Yu, Zhiyuan Li, Yongliang Li
  • Patent number: 9970917
    Abstract: The invention provides a rapid and efficient method and assay for monitoring yield enhancement in a plant using a measure of silk number. The plant is transformed with a prospective gene associated with yield enhancement. The transformed plant is grown along with non-transformed control plants until silk growth is apparent. The change in the number of silks in the transformed plant correlated to the change in yield for the plant. Therefore, changes in yield enhancement can be estimated in the transformed plant prior to harvest of mature plant tissues.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: May 15, 2018
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Guofu Li, Junli Ji
  • Patent number: 9933405
    Abstract: Methods for evaluating one or more immature ears of maize are presented in which digital imagery and image processing are used to assess physical properties of immature maize ears that are correlated with yield and other yield-related traits. Also provided are methods for identifying leads using immature ear photometry.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: April 3, 2018
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Guofu Li, Travis A Hanselman, Jacque Hockenson, Dale F Loussaert, Timothy Michael Moriarty, Rachael Woods
  • Patent number: 9701975
    Abstract: Methods for modulating plants using optimized ZmSAUR down-regulation constructs are disclosed. Also disclosed are nucleotide sequences, constructs, vectors, and modified plant cells, as well as transgenic plants displaying increased seed and/or biomass yield, improved tolerance to abiotic stress such as drought or high plant density, improved nitrogen utilization efficiency, increased ear tissue growth or kernel number.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: July 11, 2017
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Olga Nikolaevna Danilevskaya, Paulette Marie Gardner, Guofu Li, Brooke Peterson-Burch, Lisa I. Hagen
  • Publication number: 20160223507
    Abstract: Methods for evaluating one or more immature ears of maize are presented in which digital imagery and image processing are used to assess physical properties of immature maize ears that are correlated with yield and other yield-related traits. Also provided are methods for identifying leads using immature ear photometry.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Guofu Li, TRAVIS A. HANSELMAN, Jacque Hockenson, Dale F. Loussaert, Timothy Michael Moriarty, Rachael Woods
  • Patent number: 9335313
    Abstract: Methods for evaluating one or more immature ears of maize are presented in which digital imagery and image processing are used to assess physical properties of immature maize ears that are correlated with yield and other yield-related traits. Also provided are methods for identifying leads using immature ear photometry.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: May 10, 2016
    Assignee: PIONEER HI BRED INTERNATIONAL INC.
    Inventors: Guofu Li, Travis A. Hanselman, Jacque Hockenson, Dale F. Loussaert, Timothy Michael Moriarty, Rachael Woods
  • Publication number: 20160041140
    Abstract: The invention provides a rapid and efficient method and assay for monitoring yield enhancement in a plant using a measure of silk number. The plant is transformed with a prospective gene associated with yield enhancement. The transformed plant is grown along with non-transformed control plants until silk growth is apparent. The change in the number of silks in the transformed plant correlated to the change in yield for the plant. Therefore, changes in yield enhancement can be estimated in the transformed plant prior to harvest of mature plant tissues.
    Type: Application
    Filed: October 2, 2015
    Publication date: February 11, 2016
    Inventors: GUOFU LI, JUNLI JI
  • Patent number: 9206437
    Abstract: The invention provides a rapid and efficient method and assay for monitoring yield enhancement in a plant using a measure of silk number. The plant is transformed with a prospective gene associated with yield enhancement. The transformed plant is grown along with non-transformed control plants until silk growth is apparent. The change in the number of silks in the transformed plant correlated to the change in yield for the plant. Therefore, changes in yield enhancement can be estimated in the transformed plant prior to harvest of mature plant tissues.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: December 8, 2015
    Assignee: PIONEER HI BRED INTERNATIONAL INC
    Inventors: Guofu Li, Junli Ji
  • Publication number: 20150240252
    Abstract: Methods for modulating plants using optimized ZmSAUR down-regulation constructs are disclosed. Also disclosed are nucleotide sequences, constructs, vectors, and modified plant cells, as well as transgenic plants displaying increased seed and/or biomass yield, improved tolerance to abiotic stress such as drought or high plant density, improved nitrogen utilization efficiency, increased ear tissue growth or kernel number.
    Type: Application
    Filed: August 20, 2013
    Publication date: August 27, 2015
    Inventors: Olga Nikolaevna Danilevskaya, Paulette Marie Gardner, Guofu Li, Brooke Peterson-Burch, Lisa I. Hagen
  • Publication number: 20150149102
    Abstract: The present invention provides an online monitoring circuit of the series compensation spark gap divider return circuit, said series compensation spark gap divider return circuit includes voltage equalization link and the voltage sampling link; Said voltage link includes the capacitor C which series said voltage equalization link; Said online monitoring circuit includes the voltage sampling input module, series compensation current input module and the compare module; Said sampling voltage input module after amplified the voltage of the two ends of the series capacitor C converts it into direct current signal Udivide voltage; Said series compensation current input module after amplified the current signal of said series capacitor converts it into direct current voltage signal UCT; Said compare module realizes online monitoring the running state of said series spark gap divider return circuit though comparing said Udivide voltage and said UCT.
    Type: Application
    Filed: May 2, 2013
    Publication date: May 28, 2015
    Inventors: Guofu Li, Hui Yu, Zhiyuan Li, Yongliang Li
  • Publication number: 20140376782
    Abstract: Methods for evaluating one or more immature ears of maize are presented in which digital imagery and image processing are used to assess physical properties of immature maize ears that are correlated with yield and other yield-related traits. Also provided are methods for identifying leads using immature ear photometry.
    Type: Application
    Filed: December 26, 2012
    Publication date: December 25, 2014
    Inventors: Guofu Li, Travis A. Hanselman, Jacque Hockenson, Dale F. Loussaert, Timothy Michael Moriarty, Rachael Woods
  • Publication number: 20140320036
    Abstract: The present utility model provides a compulsory triggered spark gap system with double gaps in series, said spark gap system includes two self-discharge main gaps in series G1, G2 and a gap trigger system, the two ends of the spark gap system are respectively connected with the high voltage end and low voltage end; said gap trigger system and said self-discharge main gaps is parallel. The present utility model is suitable for not only series compensation device, also the series resonant type fault current limiter and fast bypass capacitors, it reduces the trigger discharge voltage value, improves the performance of protection coordination, and the trigger discharge stability and reliability.
    Type: Application
    Filed: September 19, 2012
    Publication date: October 30, 2014
    Applicants: STATE GRID CORPORATION OF CHINA, CHINA ELECTRIC POWER RESEARCH INSTITUTE
    Inventors: Zhifang Liu, Qinxiao Dong, Guofu Li, Keli Gao, Cuixia Zhang, Weiming Liao
  • Publication number: 20140298544
    Abstract: Variant phosphoenolpyruvate carboxylase (PEPC) genes are described. The encoded PEPC variants contain amino acid substitutions and have altered kinetic and/or regulatory properties with respect to wild-type PEPC. A variant PEPC gene may be expressed in a plant to improve one or more traits such as CO2 assimilation rate, water use efficiency, and yield.
    Type: Application
    Filed: October 26, 2012
    Publication date: October 2, 2014
    Inventors: Guofu Li, Lu Liu, Keith Roesler, Daniel L Siehl, Genhai Zhu
  • Patent number: 8772024
    Abstract: Compositions and methods for modulating plant development and for increasing yield in a plant are provided. The compositions include a ZM-ZFP1 sequence. Compositions of the disclosure comprise amino acid sequences and nucleotide sequences selected from SEQ ID NOS: 1 and 2 as well as variants and fragments thereof. Nucleotide sequences encoding the ZM-ZFP1 molecule are provided in DNA constructs for expression in a plant of interest are provided for modulating the level of a ZM-ZFP1 sequence in a plant or a plant part are provided. The methods comprise introducing into a plant or plant part a heterologous polynucleotide comprising a ZM-ZFP1 sequence of the disclosure. The level of the ZM-ZFP1 polypeptide can be increased or decreased. Such method can be used to increase the yield in plants; in one embodiment, the method is used to increase grain yield in cereals.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 8, 2014
    Assignee: Pioneer Hi Bred International Inc
    Inventor: Guofu Li
  • Publication number: 20140115738
    Abstract: Compositions and methods for modulating plant development and for increasing yield in a plant are provided. The compositions include a ZmWSPL sequence. Compositions of the invention comprise amino acid sequences and nucleotide sequences as well as variants and fragments thereof. Nucleotide sequences encoding the ZmWSPL protein are provided in DNA constructs for expression in a plant of interest are provided for modulating the level of a ZmWSPL sequence in a plant or a plant part are provided. The methods comprise introducing into a plant or plant part a heterologous polynucleotide comprising a ZmWSPL sequence of the invention. The level of the ZmWSPL polypeptide can be increased or decreased. Such method can be used to increase the yield in plants; in one embodiment, the method is used to increase grain yield in cereals.
    Type: Application
    Filed: June 17, 2013
    Publication date: April 24, 2014
    Applicant: PIONEER HI BRED INTERNATIONAL INC.
    Inventors: GUOFU LI, KELLIE REIMANN, JIJUN ZOU
  • Patent number: 8680021
    Abstract: Disclosed herein are modified plant zinc finger proteins; compositions comprising modified plant zinc finger proteins and methods of making and using modified plant zinc finger proteins. The modified plant zinc finger proteins, in contrast to naturally-occurring plant zinc finger proteins, have a binding specificity that is determined by tandem arrays of modular zinc finger binding unit.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: March 25, 2014
    Assignee: Sangamo BioSciences, Inc.
    Inventors: Andrew Jamieson, Guofu Li
  • Publication number: 20130007917
    Abstract: The invention provides a rapid and efficient method and assay for monitoring yield enhancement in a plant using a measure of silk number. The plant is transformed with a prospective gene associated with yield enhancement. The transformed plant is grown along with non-transformed control plants until silk growth is apparent. The change in the number of silks in the transformed plant correlated to the change in yield for the plant. Therefore, changes in yield enhancement can be estimated in the transformed plant prior to harvest of mature plant tissues.
    Type: Application
    Filed: September 4, 2012
    Publication date: January 3, 2013
    Applicant: PIONEER HI BRED INTERNATIONAL INC
    Inventors: Guofu Li, Junli Ji
  • Publication number: 20120079623
    Abstract: Compositions and methods for modulating plant development and for increasing yield in a plant are provided. The compositions include a ZM-ZFP1 sequence. Compositions of the disclosure comprise amino acid sequences and nucleotide sequences selected from SEQ ID NOS: 1 and 2 as well as variants and fragments thereof. Nucleotide sequences encoding the ZM-ZFP1 molecule are provided in DNA constructs for expression in a plant of interest are provided for modulating the level of a ZM-ZFP1 sequence in a plant or a plant part are provided. The methods comprise introducing into a plant or plant part a heterologous polynucleotide comprising a ZM-ZFP1 sequence of the disclosure. The level of the ZM-ZFP1 polypeptide can be increased or decreased. Such method can be used to increase the yield in plants; in one embodiment, the method is used to increase grain yield in cereals.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 29, 2012
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventor: Guofu Li
  • Publication number: 20120079622
    Abstract: Compositions and methods for modulating plant development and for increasing yield in a plant are provided. The compositions include a ZM-LOBDP1 sequence. Compositions of the disclosure comprise amino acid sequences and nucleotide sequences selected from SEQ ID NOS: 1 and 2 as well as variants and fragments thereof. Nucleotide sequences encoding the ZM-LOBDP1 molecule are provided in DNA constructs for expression in a plant of interest are provided for modulating the level of a ZM-LOBDP1 sequence in a plant or a plant part are provided. The methods comprise introducing into a plant or plant part a heterologous polynucleotide comprising a ZM-LOBDP1 sequence of the disclosure. The level of the ZM-LOBDP1 polypeptide can be increased or decreased. Such method can be used to increase the yield in plants; in one embodiment, the method is used to increase grain yield in cereals.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 29, 2012
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventor: Guofu Li
  • Publication number: 20120073019
    Abstract: Compositions and methods for modulating plant development and for increasing yield in a plant are provided. The compositions include a ZM-CIPK1 sequence. Compositions of the disclosure comprise amino acid sequences and nucleotide sequences selected from SEQ ID NOS: 1 and 2 as well as variants and fragments thereof. Nucleotide sequences encoding the ZM-CIPK1 molecule are provided in DNA constructs for expression in a plant of interest are provided for modulating the level of a ZM-CIPK1 sequence in a plant or a plant part are provided. The methods comprise introducing into a plant or plant part a heterologous polynucleotide comprising a ZM-CIPK1 sequence of the disclosure. The level of the ZM-CIPK1 polypeptide can be increased or decreased. Such method can be used to increase the yield in plants; in one embodiment, the method is used to increase grain yield in cereals.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 22, 2012
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventor: Guofu Li