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).

  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20120331581
    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: August 27, 2012
    Publication date: December 27, 2012
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • Plants having altered agronomic characteristics under nitrogen limiting conditions and related constructs and methods involving genes encoding LNT2 polypeptides and homologs thereof
    Patent number: 8338181
    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: August 2, 2010
    Date of Patent: December 25, 2012
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International
    Inventors: Milo Aukerman, Dale Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • Polynucleotides encoding proteins involved in plant metabolism
    Patent number: 8288616
    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: Grant
    Filed: May 12, 2011
    Date of Patent: October 16, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Edgar Benjamin 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
  • Polynucleotides and polypeptides involved in post-transcriptional gene silencing
    Patent number: 8278431
    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 12, 2011
    Date of Patent: October 2, 2012
    Assignee: 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 SELF-INCOMPATIBILITY PROTEIN RELATED POLYPEPTIDES
    Publication number: 20120204288
    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 an SIPR polypeptide.
    Type: Application
    Filed: October 5, 2010
    Publication date: August 9, 2012
    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 FERROCHELATASES
    Publication number: 20120180159
    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 ferrochelatase.
    Type: Application
    Filed: March 27, 2012
    Publication date: July 12, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY AND PIONEER HI BRED INTERNATIONAL INC
    Inventors: Stephen M. Allen, Stanley Luck, Jeffrey Mullen, Hajime Sakai, Sobhana Sivasankar, Scott V. Tingey, Robert Wayne Williams
  • ALTERATION OF EMBRYO/ENDOSPERM SIZE DURING SEED DEVELOPMENT
    Publication number: 20120167255
    Abstract: Isolated nucleic acid fragments and recombinant constructs comprising such fragments for altering embryo/endosperm size during seed development are disclosed along with a method of controlling embryo/endosperm size during seed development in plants.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 28, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: REBECCA E. CAHOON, Elmer P. Heppard, Hajime Sakai, Nobuhiro Nagasawa
  • PLANTS WITH ALTERED ROOT ARCHITECTURE, RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING NUCLEOSIDE DIPHOSPHATASE KINASE (NDK) POLYPEPTIDES AND HOMOLOGS THEREOF
    Publication number: 20120124697
    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: August 29, 2008
    Publication date: May 17, 2012
    Applicant: E.I.Du Pont De Nemours and Company
    Inventors: Graziana Taramino, Scott V. Tingey, Stephen M. Allen, Dwight Tomes, Stanley Luck, Hajime Sakai, Xiaomu Niu
  • PLANTS WITH ALTERED ROOT ARCHITECTURE, RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING LEUCINE RICH REPEAT KINASE (LLRK) POLYPEPTIDES AND HOMOLOGS THEREOF
    Publication number: 20120110700
    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: January 11, 2012
    Publication date: May 3, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY PIONEER HI BRED INTERNATIONAL INC
    Inventors: Graziana Taramino, Scott V. Tingey, Hajime Sakai, Stephen M. Allen, Dwight Tomes, Stanley Luck, Xiaomu Niu
  • Drought tolerant plants and related constructs and methods involving gene encoding ferrochelatases
    Patent number: 8158859
    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 ferrochelatase.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: April 17, 2012
    Assignees: E I du Pont de Nemours and Company, Pioneer Hi Bred International Inc
    Inventors: Stephen M. Allen, Stanley Luck, Jeffrey Mullen, Hajime Sakai, Sobhana Sivasankar, Scott V. Tingey, Robert Wayne Williams
  • Alteration of embryo/endosperm size during seed development
    Patent number: 8153860
    Abstract: Isolated nucleic acid fragments and recombinant constructs comprising such fragments for altering embryo/endosperm size during seed development are disclosed along with a method of controlling embryo/endosperm size during seed development in plants.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: April 10, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Elmer P. Heppard, Hajime Sakai, Nobuhiro Nagasawa
  • NUCLEOTIDE SEQUENCES ENCODING RAMOSA3 AND SISTER OF RAMOSA3 AND METHODS OF USE FOR SAME
    Publication number: 20120054909
    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: November 4, 2011
    Publication date: March 1, 2012
    Applicants: COLD SPRING HARBOR LABORATORY, E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DAVID PETER JACKSON, NAMIKO NAGASAWA, NOBUHIRO NAGASAWA, HAJIME SAKAI
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING FATTY ACID DESATURASE FAMILY POLYPEPTIDES
    Publication number: 20120047603
    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 Fatty Acid Desaturase Family (FADF) polypeptide.
    Type: Application
    Filed: June 2, 2010
    Publication date: February 23, 2012
    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 LNT9 POLYPEPTIDES
    Publication number: 20120023613
    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 LNT9 polypeptide.
    Type: Application
    Filed: December 16, 2009
    Publication date: January 26, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY AND PIONEER HI-BRED INTERNATIONAL
    Inventors: Milo Aukerman, Stephen M. Allen, Dale Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • ALTERING ROOT STRUCTURE DURING PLANT DEVELOPMENT
    Publication number: 20120023605
    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: September 7, 2011
    Publication date: January 26, 2012
    Applicant: E. I. Du Pont De NEMOURS and COMPANY PIONEER HI BRED INTERNATIONAL INC
    Inventors: Graziana Taramino, Hajime Sakai, Robert B.(Brendan) Meeley, Xiaomu Niu
  • PLANTS HAVING ALTERED AGRONOMIC CHARACTERISTICS UNDER NITROGEN LIMITING CONDITIONS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING SNF2 DOMAIN-CONTAINING POLYPEPTIDES
    Publication number: 20120023617
    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 a SNF2 domain-containing polypeptide.
    Type: Application
    Filed: March 26, 2010
    Publication date: January 26, 2012
    Applicants: Pioneer Hi-Bred International LLC, E.I. Du Pont de Nemours and Company
    Inventors: Milo Aukerman, Carl R. Simmons, Stephen M. Allen, Dale Loussaert, Stanley Luck, Hajime Sakai, Scott V. Tingey
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING FERREDOXIN FAMILY PROTEINS
    Publication number: 20120023622
    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: December 17, 2008
    Publication date: January 26, 2012
    Applicant: E.I. DuPont 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
  • NUCLEOTIDE SEQUENCES ENCODING GSH1 POLYPEPTIDES AND METHODS OF USE
    Publication number: 20120004114
    Abstract: Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for improving agronomic traits, 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 GSH1 polypeptide.
    Type: Application
    Filed: December 21, 2009
    Publication date: January 5, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY AND PIONEER HI-BRED INTERNATIONAL
    Inventors: Stephen M. Allen, Jeffrey E. Habben, Guofu Li, Emil M. Orozco, JR., Hajime Sakai, Nicholas J. Bate, Carl R. Simmons, Ken'Ichi Ogawa
  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20110321189
    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: August 12, 2011
    Publication date: December 29, 2011
    Inventors: Rebecca E. Cahoon, J. Antoni Rafalski, Hajime Sakai
  • DROUGHT TOLERANT PLANTS AND RELATED CONSTRUCTS AND METHODS INVOLVING GENES ENCODING ZINC-FINGER (C3HC4-TYPE RING FINGER) FAMILY POLYPEPTIDES
    Publication number: 20110314570
    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: March 9, 2010
    Publication date: December 22, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY AND PIONEER HI-BRED INTERNATIONAL
    Inventors: Stephen M. Allen, Stanley Luck, Jeffrey Mullen, Hajime Sakai, Scott V. Tingey, Robert Wayne Williams