Patents by Inventor Hidetoshi Shirakura

Hidetoshi Shirakura 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: 11547115
    Abstract: Disclosed is a wettable agrochemical composition comprising an agrochemical active component (A), which is a compound represented by the following formula (I) or an agriculturally and horticulturally acceptable acid addition salt thereof, one or more additives, and one or more surfactants, the wettable agrochemical composition being solid at 30° C. This wettable agrochemical composition has excellent physical properties of the formulation and storage stability.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 10, 2023
    Assignees: NIPPON KAYUKU CO., LTD., MMAG CO., LTD.
    Inventors: Yoshinori Muramatsu, Hidetoshi Shirakura, Atsushi Sato, Mitsuyuki Yabuzaki, Shigeru Ueno
  • Publication number: 20210219552
    Abstract: Disclosed is a wettable agrochemical composition comprising an agrochemical active component (A), which is a compound represented by the following formula (I) or an agriculturally and horticulturally acceptable acid addition salt thereof, one or more additives, and one or more surfactants, the wettable agrochemical composition being solid at 30° C. This wettable agrochemical composition has excellent physical properties of the formulation and storage stability.
    Type: Application
    Filed: June 7, 2019
    Publication date: July 22, 2021
    Applicants: NIPPON KAYAKU CO., LTD., MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Yoshinori MURAMATSU, Hidetoshi SHIRAKURA, Atsushi SATO, Mitsuyuki YABUZAKI, Shigeru UENO
  • Patent number: 9485987
    Abstract: The present invention provides an aqueous suspended agricultural chemical composition comprising an agricultural chemical active ingredient, an alkyl naphthalene sulfonate formalin condensate and one or two or more compounds selected from the group consisting of an alkyl sulfate, a polyoxyalkylene alkyl ether sulfate, an alkyl phosphoric acid and a salt thereof, a polyoxyalkylene alkyl ether phosphoric acid and a salt thereof, and a polyoxyalkylene alkyl ether acetic acid and a salt thereof. The aqueous suspended agricultural chemical composition suppresses the crystal growth of the agricultural chemical active ingredient, and has an excellent effect on pest control and an excellent storage stability.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: November 8, 2016
    Assignees: MEIJI SEIKA PHARMA CO., LTD., NIPPON KAYAKU CO., LTD.
    Inventors: Atsushi Sato, Mitsuyuki Yabuzaki, Shigeru Ueno, Yoshinori Muramatsu, Kazuteru Ogawa, Hidetoshi Shirakura
  • Publication number: 20150351384
    Abstract: The present invention provides an aqueous suspended agricultural chemical composition comprising an agricultural chemical active ingredient, an alkyl naphthalene sulfonate formalin condensate and one or two or more compounds selected from the group consisting of an alkyl sulfate, a polyoxyalkylene alkyl ether sulfate, an alkyl phosphoric acid and a salt thereof, a polyoxyalkylene alkyl ether phosphoric acid and a salt thereof, and a polyoxyalkylene alkyl ether acetic acid and a salt thereof. The aqueous suspended agricultural chemical composition suppresses the crystal growth of the agricultural chemical active ingredient, and has an excellent effect on pest control and an excellent storage stability.
    Type: Application
    Filed: January 29, 2014
    Publication date: December 10, 2015
    Inventors: Atsushi SATO, Mitsuyuki YABUZAKI, Shigeru UENO, Yoshinori MURAMATSU, Kazuteru OGAWA, Hidetoshi SHIRAKURA
  • Patent number: 6340772
    Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: January 22, 2002
    Assignee: Nippon Kayaku Co., Ltd.
    Inventors: Tetsuya Toya, Hidetoshi Shirakura, Junichi Kon
  • Publication number: 20010020112
    Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.
    Type: Application
    Filed: April 24, 2001
    Publication date: September 6, 2001
    Inventors: Tetsuya Toya, Hidetoshi Shirakura, Junichi Kon
  • Patent number: 6271418
    Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: August 7, 2001
    Assignee: Nippon Kayaku Co., Ltd.
    Inventors: Tetsuya Toya, Hidetoshi Shirakura, Junichi Kon
  • Patent number: 5530021
    Abstract: A novel hydrazine derivative and a pesticidal composition containing the hydrazine derivative as the effecting ingredient. The hydrazine derivative show high pesticidal activity against harmful pests which are resistant to known pesticides such as organophosphorus pesticides, pyrethroids, etc., especially against Lepidoptera harmful pests such as Plutella xylostella, Spodoptera litura, Cnaphalocrocis medinalis, Adoxophyes orana, etc., and is effective for controlling harmful pests in paddy field, upland field, orchard, forest or places to be kept environmentally hygienic.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: June 25, 1996
    Assignees: Nippon Kayaku Kabushiki Kaisha, Sankyo Company, Limited
    Inventors: Mikio Yanagi, Hiroyasu Sugizaki, Tetsuya Toya, Yasuhito Kato, Hidetoshi Shirakura, Tetsuo Watanabe, Yoshimi Yajima, Seiichirou Kodama, Akio Masui, Toshiaki Yanai, Yoshihisa Tsukamoto, Yoshihiro Sawada, Shinji Yokoi
  • Patent number: 5378726
    Abstract: A novel hydrazine derivative and a pesticidal composition containing the hydrazine derivative as the effecting ingredient. The hydrazine derivative show high pesticidal activity against harmful pests which are resistant to known pesticides such as organophosphorus pesticides, pyrethroids, etc., especially against Lepidopters harmful pests such as Plutella xylostella, Spodoptera litura, Cnaphalocrocis medinalis, Adoxophyes orana, etc., and is effective for controlling harmful pests in paddy field, upland field, orchard, forest or places to be kept environmentally hygienic.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: January 3, 1995
    Assignees: Nippon Kayaku Kabushiki Kaisha, Sankyo Company, Limited
    Inventors: Mikio Yanagi, Hiroyasu Sugizaki, Tetsuya Toya, Yasuhito Kato, Hidetoshi Shirakura, Tetsuo Watanabe, Yoshimi Yajima, Seiichirou Kodama, Akio Masui, Toshiaki Yanai, Yoshihisa Tsukamoto, Yoshihiro Sawada, Shinji Yokoi