Patents by Inventor Yuhji Sakurai

Yuhji Sakurai 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).

  • N-alkylsulfonyl indoline compound, agricultural and horticultural insecticide comprising the compound, and method for using the insecticide
    Patent number: 10716306
    Abstract: In crop production in the fields of agriculture, horticulture and the like, the damage caused by insect pests etc. is still immense, and insect pests resistant to existing insecticides have emerged. Under such circumstances, the development of novel agricultural and horticultural insecticides is desired. The present invention provides an agricultural and horticultural insecticide comprising the indoline compound represented by the general formula (1): (wherein R1 and R4 are hydrogen atoms, R2 and R3 are halogen atoms, R5 is a haloalkyl group, Ra, Rb and Rc are hydrogen atoms, A1 is a CH group, A2 is a nitrogen atom, A3 is N-Me, m is 2, and n is 1), or a salt thereof as an active ingredient; and a method for using the insecticide.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 21, 2020
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Yuhji Sakurai, Ikki Yonemura, Yutaka Abe, Hirokazu Fujihara, Shunpei Fujie, Akiyuki Suwa
  • N-ALKYLSULFONYL INDOLINE COMPOUND, AGRICULTURAL AND HORTICULTURAL INSECTICIDE COMPRISING THE COMPOUND, AND METHOD FOR USING THE INSECTICIDE
    Publication number: 20200077659
    Abstract: In crop production in the fields of agriculture, horticulture and the like, the damage caused by insect pests etc. is still immense, and insect pests resistant to existing insecticides have emerged. Under such circumstances, the development of novel agricultural and horticultural insecticides is desired. The present invention provides an agricultural and horticultural insecticide comprising the indoline compound represented by the general formula (1): (wherein R1 and R4 are hydrogen atoms, R2 and R3 are halogen atoms, R5 is a haloalkyl group, Ra, Rb and Rc are hydrogen atoms, A1 is a CH group, A2 is a nitrogen atom, A3 is N-Me, m is 2, and n is 1), or a salt thereof as an active ingredient; and a method for using the insecticide.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 12, 2020
    Inventors: Yuhji Sakurai, Ikki Yonemura, Yutaka Abe, Hirokazu Fujihara, Shunpei Fujie, Akiyuki Suwa
  • N-ALKYLSULFONYL CONDENSED HETEROCYCLIC COMPOUND OR SALT THEREOF, INSECTICIDE COMPRISING THE COMPOUND, AND METHOD FOR USING THE INSECTICIDE
    Publication number: 20190174760
    Abstract: In crop production in the fields of agriculture, horticulture and the like, the damage caused by insect pests etc. is still immense, and insect pests resistant to existing insecticides have emerged. Under such circumstances, the development of novel agricultural and horticultural insecticides is desired. The present invention provides a condensed heterocyclic compound represented by the general formula (1): {wherein R1 represents a (C1-C6) alkyl group, R2 represents a halo (C1-C6) alkyl group, G1, G2, G3, G4, G5, G6, G7 and G8 each represent CH or N, and m represents an integer of 0 to 2} or a salt thereof; an agricultural and horticultural insecticide comprising the compound or the salt as an active ingredient; and a method for using the insecticide.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 13, 2019
    Inventors: Yutaka Abe, Chiaki Yamauchi, Yuhji Sakurai, Hirokazu Fujihara, Soichiro Matsuo, Ikki Yonemura, Akiyuki Suwa, Shunpei Fujie, Ryosuke Tanaka