Patents by Inventor Kazuharu Koga

Kazuharu Koga 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).

  • Virus-resistant tobacco and breeding method therefor
    Patent number: 11659807
    Abstract: In order to provide tobacco resistant to a virus, tobacco in accordance with the present invention is arranged such that: (i) a translation initiation factor eIF(iso)4E protein which is non-functional with respect to a virus is produced or (ii) expression of a translation initiation factor eIF(iso)4E gene is suppressed; and (a) a translation initiation factor eIF4E2 protein, which is non-functional with respect to a virus, is produced or (b) expression of a translation initiation factor eIF4E2 gene is suppressed.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 30, 2023
    Assignee: JAPAN TOBACCO INC.
    Inventors: Yoshimitsu Takakura, Akira Shinjo, Hisashi Udagawa, Kazuharu Koga
  • Virus-resistant tobacco and method for creating same
    Patent number: 10400251
    Abstract: A virus-resistant tobacco in accordance with the present invention is such that it includes a mutation in a translation initiation factor eIF(iso)4E gene, the mutation causing production of an eIF(iso)4E protein which is non-functional with respect to a virus or suppressing expression of the eIF(iso)4E gene, or a virus-resistant tobacco in accordance with the present invention is such that an expression level of the eIF(iso)4E gene is 20% or lower as compared to a wild type.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: September 3, 2019
    Assignee: JAPAN TOBACCO INC.
    Inventors: Yoshimitsu Takakura, Kazuharu Koga, Akira Shinjo, Hisashi Udagawa
  • VIRUS-RESISTANT TOBACCO AND BREEDING METHOD THEREFOR
    Publication number: 20190174706
    Abstract: In order to provide tobacco resistant to a virus, tobacco in accordance with the present invention is arranged such that: (i) a translation initiation factor eIF(iso)4E protein which is non-functional with respect to a virus is produced or (ii) expression of a translation initiation factor eIF(iso)4E gene is suppressed; and (a) a translation initiation factor eIF4E2 protein, which is non-functional with respect to a virus, is produced or (b) expression of a translation initiation factor eIF4E2 gene is suppressed.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 13, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Yoshimitsu TAKAKURA, Akira SHINJO, Hisashi UDAGAWA, Kazuharu KOGA
  • VIRUS-RESISTANT TOBACCO AND METHOD FOR CREATING SAME
    Publication number: 20170107533
    Abstract: A virus-resistant tobacco in accordance with the present invention is such that it includes a mutation in a translation initiation factor eIF(iso)4E gene, the mutation causing production of an eIF(iso)4E protein which is non-functional with respect to a virus or suppressing expression of the eIF(iso)4E gene, or a virus-resistant tobacco in accordance with the present invention is such that an expression level of the eIF(iso)4E gene is 20% or lower as compared to a wild type.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 20, 2017
    Applicant: JAPAN TOBACCO INC.
    Inventors: Yoshimitsu TAKAKURA, Kazuharu KOGA, Akira SHINJO, Hisashi UDAGAWA
  • Bacteria that reduce content of heavy metals in plant
    Patent number: 8383390
    Abstract: This invention relates to bacteria having a function of reducing the content of heavy metals in plants, a method for reducing the content of heavy metals in plants with the use of such bacteria, and a composition comprising, as an active ingredient, such bacteria.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: February 26, 2013
    Assignee: Japan Tobacco Inc.
    Inventors: Kazuharu Koga, Shingo Masuda
  • BACTERIA THAT REDUCE CONTENT OF HEAVY METALS IN PLANT
    Publication number: 20110136199
    Abstract: This invention relates to bacteria having a function of reducing the content of heavy metals in plants, a method for reducing the content of heavy metals in plants with the use of such bacteria, and a composition comprising, as an active ingredient, such bacteria.
    Type: Application
    Filed: November 19, 2010
    Publication date: June 9, 2011
    Inventors: Kazuharu KOGA, Shingo Masuda
  • Method of reducing nitrosamines content in tobacco leaves
    Patent number: 7556046
    Abstract: A method of reducing the content of TSNA in tobacco leaves, comprising treating tobacco leaves with a microorganism which has the capability to reduce TSNA and which is selected from the group consisting of Sphingomonas paucimobilis and Pseudomonas fluorescens.
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: July 7, 2009
    Assignee: Japan Tobacco Inc.
    Inventors: Kazuharu Koga, Satoshi Katsuya
  • Method of reducing nitrosamine content in tobacco leaves
    Patent number: 7549425
    Abstract: A method of reducing the content of TSNA in tobacco leaves, comprising treating the tobacco leaves with a microorganism having no nitrate-reducing ability but having the ability of growth-competition with a microorganism belonging to Enterobacter or Pantoea genus.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: June 23, 2009
    Assignee: Japan Tobacco Inc.
    Inventors: Kazuharu Koga, Satoshi Katsuya
  • Method of reducing nitrite and/or nitrosamine in tobacco leaves using microorganism having denitrifying ability
    Patent number: 7549426
    Abstract: A method of reducing the content of nitrite and/or nitrosamine in tobacco leaves, having treating the tobacco leaves with a microorganism belonging to Agrobacterium genus and having the denitrifying ability.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: June 23, 2009
    Assignee: Japan Tobacco Inc.
    Inventors: Kazuharu Koga, Satoshi Katsuya
  • Method of reducing nitrosamine content in tobacco leaves
    Publication number: 20060225750
    Abstract: A method of reducing the content of TSNA in tobacco leaves, comprising treating the tobacco leaves with a microorganism having no nitrate-reducing ability but having the ability of growth-competition with a microorganism belonging to Enterobacter or Pantoea genus.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 12, 2006
    Inventors: Kazuharu Koga, Satoshi Katsuya
  • Method of reducing nitrite and/or nitrosamine in tobacco leaves using microorganism having denitrifying ability
    Publication number: 20060225751
    Abstract: A method of reducing the content of nitrite and/or nitrosamine in tobacco leaves, comprising treating the tobacco leaves with a microorganism belonging to Agrobacterium genus and having the denitrifying ability.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 12, 2006
    Inventors: Kazuharu Koga, Satoshi Katsuya
  • Microorganism which reduces nitrosamines and method of reducing nitrosamines using the same
    Publication number: 20050115576
    Abstract: A method of reducing the content of TSNA in tobacco leaves, comprising treating tobacco leaves with a microorganism which has the capability to reduce TSNA and which is selected from the group consisting of Sphingomonas paucimobilis and Pseudomonas fluorescens.
    Type: Application
    Filed: November 5, 2004
    Publication date: June 2, 2005
    Inventors: Kazuharu Koga, Satoshi Katsuya