Patents by Inventor Yuko Ohashi

Yuko Ohashi 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: 7488854
    Abstract: The present invention provites a compound having the following structure: wherein, in the formula: X is selected from the group consisting of hydroxy, substituted hydroxy, halogen, thiol, and substituted thiol; one of Y1 and Y2 is hydrogen or alkyl, and the other is Z-W, wherein Z is a single bond, or a divalent group having alkane or substituted alkane having two hydrogen atoms removed, and W is hydroxy, substituted hydroxy, aldehyde, carboxyl, or substituted carboxyl; and R1-R24 are independently selected from the group of hydrogen, alkyl, and substituted alkyl.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: February 10, 2009
    Assignees: The National Institute of Agrobiological Sciences, Riken
    Inventors: Shigemi Seo, Yuko Ohashi, Hideharu Seto, Shigeo Yoshida
  • Publication number: 20060003896
    Abstract: The present invention provites a compound having the following structure: wherein, in the formula: X is selected from the group consisting of hydroxy, substituted hydroxy, halogen, thiol, and substituted thiol; one of Y1 and Y2 is hydrogen or alkyl, and the other is Z-W, wherein Z is a single bond, or a divalent group having alkane or substituted alkane having two hydrogen atoms removed, and W is hydroxy, substituted hydroxy, aldehyde, carboxyl, or substituted carboxyl; and R1-R24 are independently selected from the group of hydrogen, alkyl, and substituted alkyl.
    Type: Application
    Filed: March 12, 2003
    Publication date: January 5, 2006
    Inventors: Shigemi Seo, Yuko Ohashi, Hideharu Seto, Shigeo Yoshida
  • Patent number: 6750381
    Abstract: The present invention is drawn to a method of conferring resistance to pathogenic fungi on a plant by transformation with a nucleic acid encoding Sarcotoxin 1a operatively linked to a signal peptide, and optionally linked via the hinge region of tobacco chitinase to a plant peptide, and plants thereby obtained.
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: June 15, 2004
    Assignee: National Institute of Agrobiological Sciences
    Inventors: Ichiro Mitsuhara, Masahiro Ohshima, Yuko Ohashi
  • Publication number: 20040091860
    Abstract: The present invention relates to a plurality of peroxidases. The present invention provides clarification of the expression specificities of various peroxidases, which was conventionally difficult. The present invention further provides a means for modifying plants using the peroxidase expression specificities. The present invention also relates to peroxidases having various expression specificities and promoters derived these peroxidases. The present invention further relates to gene expression analysis using the peroxidase genes of the present invention.
    Type: Application
    Filed: October 2, 2003
    Publication date: May 13, 2004
    Inventors: Yuko Ohashi, Ichiro Mitsuhara, Takuji Sasaki, Hiroyuki Ito, Takayoshi Iwai, Susumu Hiraga
  • Patent number: 6603060
    Abstract: A method for regulating cell death in a plant, includes the steps of: transforming a plant cell with a polynucleotide containing a gene encoding DS9 or a homologue thereof or a part of the gene; and redifferentiating the transgenic plant cell to obtain a plant. The DS9 or the homologue thereof is an ATP-dependent Zn-type metalloprotease. The polynucleotide decreases or increases production of the ATP-dependent Zn-type metalloprotease in the plant cell, whereby cell death of a cell in the plant is promoted or suppressed.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: August 5, 2003
    Assignee: National Institute of Agrobiological Sciences
    Inventors: Yuko Ohashi, Shigemi Seo
  • Publication number: 20030061638
    Abstract: A method for regulating cell death in a plant, includes the steps of: transforming a plant cell with a polynucleotide containing a gene encoding DS9 or a homologue thereof or a part of the gene; and redifferentiating the transgenic plant cell to obtain a plant. The DS9 or the homologue thereof is an ATP-dependent Zn-type metalloprotease. The polynucleotide decreases or increases production of the ATP-dependent Zn-type metalloprotease in the plant cell, whereby cell death of a cell in the plant is promoted or suppressed.
    Type: Application
    Filed: March 13, 2002
    Publication date: March 27, 2003
    Inventors: Yuko Ohashi, Shigemi Seo
  • Publication number: 20030005480
    Abstract: The present invention provides a stress resistant plant in which a cell death suppressing gene is introduced.
    Type: Application
    Filed: May 3, 2000
    Publication date: January 2, 2003
    Inventors: Yuko Ohashi, Ichiro Mitsuhara, Kamal A. Malik
  • Publication number: 20020166142
    Abstract: The present invention relates to a method for efficiently producing a useful foreign protein in a plant. The present invention also relates to a method for expressing a foreign protein in a plant so as to provide the plant with a new property and to the breeding of a plant. More specifically, the present invention relates to a plant containing a gene encoding an anti-bacterial peptide derived from a Diptera insect and which confers resistance to bacterial and fungal pathogens.
    Type: Application
    Filed: February 26, 1997
    Publication date: November 7, 2002
    Inventors: ICHIRO MITSUHARA, MASAHIRO OHSHIMA, YUKO OHASHI
  • Patent number: 6310272
    Abstract: The present invention provides a stress resistant plant in which a cell death suppressing gene is introduced.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: October 30, 2001
    Assignee: Director General of National Institute of Agrobiological Resources, Ministry of Agriculture, Forestry and Fisheries
    Inventors: Yuko Ohashi, Ichiro Mitsuhara, Kamal A. Malik
  • Patent number: 6187995
    Abstract: A plant exhibiting resistance to at least one disease is provided. The plant includes an expression cassette including a thionin gene from Avena sativa, which is capable of expressing the thionin protein. A method for producing the plant is also provided. The method includes the steps of constructing an expression vector containing an expression cassette including a thionin from Avena sativa gene, which is capable of expressing the thionin protein, transforming a plant cell with the expression vector, and regenerating a plant from the transformed plant cell. The plant exhibits resistance to at least one disease such as a disease caused by a plant pathogenic bacterium (e.g., a bacterium causing bacterial leaf blight of rice or a bacterium causing bacterial seedling blight of rice) or a plant pathogenic filamentous fungus (e.g., a fungus causing late blight of potato). A seed obtained from the above disease resistant plant is also provided.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: February 13, 2001
    Assignee: Director General of National Institute of Agrobiological Resources, Ministry of Agriculture, Forestry and Fisheries
    Inventors: Yuko Ohashi, Ichiro Mitsuhara, Masahiro Ohshima, Masashi Ugaki, Hirohiko Hirochika, Ryoso Honkura, Takayoshi Iwai, Shigeo Nakamura