Patents by Inventor Seiji Kakinuma

Seiji Kakinuma 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).

  • Method of producing 2-hydroxy-1,4-naphthoquinone
    Patent number: 10384999
    Abstract: Provided is a method of producing 2-hydroxy-1,4-naphthoquinone in a large amount, a high yield, and inexpensively. This method comprises oxidizing 2-hydroxynaphthalene with hydrogen peroxide in (1) an alkaline aqueous solution or in (2) a mixture of an alkaline aqueous solution with an inert organic solvent incompatible with water, in the presence of a vanadium catalyst.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 20, 2019
    Assignee: AGRO-KANESHO CO., LTD.
    Inventor: Seiji Kakinuma
  • METHOD OF PRODUCING 2-HYDROXY-1,4-NAPHTHOQUINONE
    Publication number: 20180215693
    Abstract: Provided is a method of producing 2-hydroxy-1,4-naphthoquinone in a large amount, a high yield, and inexpensively. This method comprises oxidizing 2-hydroxynaphthalene with hydrogen peroxide in (1) an alkaline aqueous solution or in (2) a mixture of an alkaline aqueous solution with an inert organic solvent incompatible with water, in the presence of a vanadium catalyst.
    Type: Application
    Filed: June 24, 2016
    Publication date: August 2, 2018
    Applicant: AGRO-KANESHO CO., LTD.
    Inventor: Seiji KAKINUMA
  • Alkoxyimino-substituted bicyclic compounds compositions containing the same and method of making such compounds
    Patent number: 6399542
    Abstract: Alkoxyimino-substituted bicyclic derivatives or salts thereof having an excellent effect of controlling diseases and insect pests are disclosed.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: June 4, 2002
    Assignee: Agro-Kanesho Co., Ltd.
    Inventors: Shinya Henmi, Seiji Kakinuma, Satomi Katoh, Yuriko Shiihashi
  • Agent for controlling diseases and insect pests, containing alkoxyimino-substituted bicyclic derivative as active ingredient
    Patent number: 6291399
    Abstract: Alkoxyimino-substituted bicyclic derivatives or salts thereof having an excellent effect of controlling diseases and insect pests are disclosed.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: September 18, 2001
    Assignee: Agro-Kanesho Co., Ltd.
    Inventors: Shinya Henmi, Seiji Kakinuma, Satomi Katoh, Yuriko Shiihashi