Patents by Inventor Hajime Sakai

Hajime Sakai 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).

  • Drought tolerant plants and related constructs and methods involving genes encoding DTP21 polypeptides
    Patent number: 8916746
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes a DTP21 polypeptide.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: December 23, 2014
    Assignees: Japan Tobacco, Inc., E. I. du Pont de Neumours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Masakazu Kashihara, Toshiyuki Komori, Ichiro Oka, Satoru Usami, Norio Kato, Yukoh Hiei, Yoshimitsu Takakura, Toshihiko Komari, Teruyuki Imayama, Scott V. Tingey, Hajime Sakai, Marc C. Albertsen, Stanley Luck
  • ALTERATION OF OIL TRAITS IN PLANTS
    Publication number: 20140325704
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Chimeric construct incorporating such nucleic acid fragments and suitable regulatory sequences can be used to create transgenic plants having altered lipid profiles. Methods for altering the oil phenotype in plants using such nucleic acid fragments also are disclosed.
    Type: Application
    Filed: July 9, 2014
    Publication date: October 30, 2014
    Inventors: WILLIAM B ALLEN, Rebecca E Cahoon, Sabine U Epelbaum, Changjiang Li, Igor Cunha De Oliveira, Hajime Sakai, Bo Shen, Mitchell C Tarczynski
  • METHODS FOR THE IDENTIFICATION OF GENES INVOLVED IN ABIOTIC STRESS TOLERANCE IN PLANTS
    Publication number: 20140304854
    Abstract: Methods are described for the identification of genes useful for conferring tolerance in plants to abiotic stress. Transgenic plants and seeds comprising the stress tolerant genes are also described. Methods to monitor the growth rate of the transgenic plants under stressed or non-stressed conditions are also described.
    Type: Application
    Filed: October 29, 2012
    Publication date: October 9, 2014
    Applicant: PIONEER HI-BRED INTERNATIONAL INC.
    Inventors: Bindu Andreuzza, Milo Aukerman, Jason L. Brothers, Norbert Brugiere, Mai Komatsu, Ratna Kumria, Xiao-Yi Li, Cheng Lu, Amitabh Mohanty, Hajime Sakai, James J. Saylor, Sobhana Sivasankar, Graziana Taranino, Robert Wayne Williams
  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20140259217
    Abstract: This invention relates to isolated nucleic acid fragments encoding polypeptides involved in post-transcriptional gene silencing. The invention also relates to construction of a recombinant DNA construct encoding all or a portion of the polypeptide involved in post-transcriptional gene silencing, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels in a transformed host cell of the polypeptide involved in post-transcriptional gene silencing.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Applicant: E I Du Pont De Nemours And Company
    Inventors: Rebecca E Cahoon, Hajime Sakai, J Antoni Rafalski
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING FERREDOXIN FAMILY PROTEINS
    Publication number: 20140245497
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes a ferredoxin family protein.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicants: E I DU PONT DE NEMOURS AND COMPANY, PIONEER HI-BRED INTERNATIONAL INC
    Inventors: Stephen M. Allen, Stanley Luck, Jeffrey Mullen, Hajime Sakai, Scott V. Tingey, Robert Wayne Williams
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING DTP6 POLYPEPTIDES
    Publication number: 20140223595
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes a DTP6 polypeptide.
    Type: Application
    Filed: October 28, 2011
    Publication date: August 7, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephen M. Allen, Jason L. Brothers, Krupa Deshmukh, Honor Renee Lafitte, Xiao-Yi Li, Cheng Lu, Stanley Luck, Jeffrey Mullen, Hajime Sakai, James J. Saylor, Scott V. Tingey, Robert Wayne Williams
  • Alteration of oil traits in plants
    Patent number: 8785726
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Chimeric constructs incorporating such nucleic acid fragments and suitable regulatory sequences can be used to create transgenic plants having altered lipid profiles. Methods for altering the oil phenotype in plants using such nucleic acid fragments also are disclosed.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: July 22, 2014
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: William B Allen, Karlene H Butler, Rebecca E Cahoon, Sabine U Epelbaum, Changjiang Li, Igor Cunha De Oliveira, Hajime Sakai, Bo Shen, Mitchell C Tarczynski
  • PLANTS HAVING ALTERED AGRONOMIC CHARACTERISTICS UNDER NITROGEN LIMITING CONDITIONS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING LNT6 POLYPEPTIDES AND HOMOLOGS THEREOF
    Publication number: 20140196173
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering agronomic characteristics of plants under nitrogen limiting conditions, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes an LNT6 polypeptide or homolog thereof.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 10, 2014
    Applicants: PIONEER HI-BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: MILO AUKERMAN, Stephen M. Allen, Dale F. Loussaert, Hajime Sakai, Scott V. Tingey, Stanley Luck
  • Polynucleotides and polypeptides involved in post-transcriptional gene silencing
    Patent number: 8748697
    Abstract: This invention relates to isolated nucleic acid fragments encoding polypeptides involved in post-transcriptional gene silencing. The invention also relates to construction of a recombinant DNA construct encoding all or a portion of the polypeptide involved in post-transcriptional gene silencing, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels in a transformed host cell of the polypeptide involved in post-transcriptional gene silencing.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: June 10, 2014
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • POLYNUCLEOTIDES ENCODING PROTEINS INVOLVED IN PLANT METABOLISM
    Publication number: 20140130206
    Abstract: The invention provides isolated pyruvate dehydrogenase kinase nucleic acids and their encoded polypeptides. The present invention provides methods and compositions relating to altering pyruvate dehydrogenase kinase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Application
    Filed: January 10, 2014
    Publication date: May 8, 2014
    Applicants: PIONEER HI-BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: EDGAR B. CAHOON, REBECCA E. CAHOON, SAVERIO CARL FALCO, YIWEN FANG, SABINE S. HANTKE, ANTHONY J. KINNEY, JIAN-MING LEE, ZHONGSEN LI, GUO-HUA MIAO, MICHELE MORGANTE, XIPING NIU, JOAN T. ODELL, J ANTONI RAFALSKI, HAJIME SAKAI, PEIZHONG ZHENG, QUINN QUN ZHU
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING ZINC-FINGER (C3HC4-TYPE RING FINGER) FAMILY POLYPEPTIDES
    Publication number: 20140068811
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes a Zinc-Finger (C3HC4-type RING finger) family polypeptide.
    Type: Application
    Filed: November 4, 2013
    Publication date: March 6, 2014
    Applicants: PIONEER HI-BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: STEPHEN M. ALLEN, STANLEY LUCK, JEFFREY MULLEN, HAJIME SAKAI, SCOTT V. TINGEY, ROBERT WAYNE WILLIAMS
  • PLANTS HAVING ALTERED AGRONOMIC CHARACTERISTICS UNDER NITROGEN LIMITING CONDITIONS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING LNT1 POLYPEPTIDES AND HOMOLOGS THEREOF
    Publication number: 20140007290
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering agronomic characteristics of plants under nitrogen limiting conditions, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes an LNT1 polypeptide.
    Type: Application
    Filed: September 3, 2013
    Publication date: January 2, 2014
    Applicants: Pioneer Hi Bred International Inc., E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Milo Aukerman, Stephen M. Allen, Dale F. Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • PLANTS WITH ALTERED ROOT ARCHITECTURE, RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING PROTEIN PHOPHATASE 2C (PP2C) POLYPEPTIDES AND HOMOLOGS THEREOF
    Publication number: 20140007298
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering root structure of plants, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes a polypeptide useful for altering plant root architecture.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 2, 2014
    Applicants: PIONEER HI BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephen M. Allen, Stanley Luck, Xiaomu Niu, Hajime Sakai, Graziana Taramino, Scott V. Tingey, Dwight Tomes
  • ALTERING ROOT STRUCTURE DURING PLANT DEVELOPMENT
    Publication number: 20130326720
    Abstract: Isolated nucleic acid fragments and recombinant constructs comprising such fragments for altering root structure during plant development are disclosed along with methods of root structure alteration during plant development.
    Type: Application
    Filed: August 12, 2013
    Publication date: December 5, 2013
    Applicants: PIONEER HI-BRED INTERNATIONAL, INC, E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Robert B Meeley, Xiaomu Niu, Hajime Sakai, Graziana Taramino
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING MATE-EFFLUX POLYPEPTIDES
    Publication number: 20130269063
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes a MATE-efflux polypeptide.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 10, 2013
    Applicants: PIONEER HI BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephen M. Allen, Stanley Luck, Jeffrey Mullen, Hajime Sakai, Scott V. Tingey, Robert Wayne Williams, Norbert Brugiere, Ratna Kumria, Amitabh Mohanty, Rupa Raja
  • Plants having altered agronomic characteristics under nitrogen limiting conditions and related constructs and methods involving genes encoding LNT1 polypeptides and homologs thereof
    Patent number: 8541650
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering agronomic characteristics of plants under nitrogen limiting conditions, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes an LNT1 polypeptide.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: September 24, 2013
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Milo Aukerman, Stephen M. Allen, Dale Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • NUCLEOTIDE SEQUENCES ENCODING RAMOSA3 AND SISTER OF RAMOSA3 AND METHODS OF USE FOR SAME
    Publication number: 20130219553
    Abstract: The invention relates to the isolation and characterization of a maize gene, RAMOSA3 (RA3), responsible for meristem development and inflorescence development including branching. The gene, gene product, and regulatory regions may be used to manipulate branching, meristem growth, inflorescence development and arrangement, and ultimately to improve yield of plants. The invention includes the gene and protein product as well as the use of the same for temporal and spatial expression in transgenic plants to alter plant morphology and affect yield in plants. The invention also includes the gene and protein product for SISTER OF RAMOSA3 (SRA).
    Type: Application
    Filed: March 5, 2013
    Publication date: August 22, 2013
    Applicants: Cold Spring Harbor Laboratory, E. I. Du Pont De Nemours And Company
    Inventors: DAVID PETER JACKSON, Namiko Satoh Nagasawa, Hajime Sakai, Nobuhiro Nagasawa
  • Nucleotide sequences encoding RAMOSA3 and Sister of RAMOSA3 and methods of use for same
    Patent number: 8410257
    Abstract: The invention relates to the isolation and characterization of a maize gene, RAMOSA3 (RA3), responsible for meristem development and inflorescence development including branching. The gene, gene product, and regulatory regions may be used to manipulate branching, meristem growth, inflorescence development and arrangement, and ultimately to improve yield of plants. The invention includes the gene and protein product as well as the use of the same for temporal and spatial expression in transgenic plants to alter plant morphology and affect yield in plants. The invention also includes the gene and protein product for SISTER OF RAMOSA3 (SRA).
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: April 2, 2013
    Assignees: E I du Pont de Nemours and Company, Cold Spring Harbor Laboratory
    Inventors: David Peter Jackson, Namiko Satoh Nagasawa, Hajime Sakai, Nobuhiro Nagasawa
  • Plants having altered agronomic characteristics under nitrogen limiting conditions and related constructs and methods involving genes encoding LNT2 polypeptides and homologs thereof
    Patent number: 8394634
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering agronomic characteristics of plants under nitrogen limiting conditions, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes an LNT2 polypeptide.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: March 12, 2013
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Milo Aukerman, Stephen M. Allen, Dale Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • POLYNUCLEOTIDES ENCODING PROTEINS INVOLVED IN PLANT METABOLISM
    Publication number: 20130007912
    Abstract: The invention provides isolated pyruvate dehydrogenase kinase nucleic acids and their encoded polypeptides. The present invention provides methods and compositions relating to altering pyruvate dehydrogenase kinase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: EI DU PONT DE NEMOURS AND COMPANY; AND PIONEER HI-BRED INTERNATIONAL INC
    Inventors: Quinn Qun Zhu, Sabine S. Hantke, Xiping Niu, Zheng Peihong, Michele Morgante, Joan T. Odell, Saverio Carl Falco, Yiwen Fang, J. Antoni Rafalski, Hajime Sakai, Edgar B. Cahoon, Rebecca E. Cahoon, Jian-Ming Lee, Guo-Hua Miao, Zhongsen Li, Anthony J. Kinney