Patents by Inventor Takayoshi Eizuka

Takayoshi Eizuka 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).

  • PLANT GROWTH REGULATOR AND METHOD FOR PROMOTING PLANT GROWTH
    Publication number: 20220281822
    Abstract: In order to provide a plant growth regulator with an excellent plant growth promoting effect, the plant growth regulator of the present invention includes a compound represented by Formula (I) or its tautomer, or an agrochemically acceptable salt thereof. where R1 and R2 each independently represent a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms, and R3 to R5 each independently represent an alkyl group having from 1 to 4 carbon atoms.
    Type: Application
    Filed: June 15, 2020
    Publication date: September 8, 2022
    Applicant: Kureha Corporation
    Inventors: Tatsuyuki KOSHIYAMA, Takayoshi EIZUKA
  • N-(heterocycle-methyl)alkylamine derivative, process for producing the same, and bactericide
    Publication number: 20050101783
    Abstract: A N-heterocyclicmethyl-alkylamine derivative according to the present invention is a N-heterocyclicmethyl-alkylamine derivative represented by the following general formula (I): or an acid addition salt thereof.
    Type: Application
    Filed: May 9, 2001
    Publication date: May 12, 2005
    Inventors: Atsushi Ito, Keiichi Sudo, Tsumoru Watanabe, Nobuyuki Kusano, Nobuyuki Araki, Takayoshi Eizuka, Yoshitaka Niizeki
  • 6-chloro-3-pyridylmethylpropylamine derivatives, preparation process thereof and bactericides
    Publication number: 20040152903
    Abstract: A 6-chloro-3-pyridylmethylpropylamine derivative according to the present invention or an acid addition salt thereof is represented by the following formula (I): 1
    Type: Application
    Filed: January 16, 2004
    Publication date: August 5, 2004
    Inventors: Atsushi Ito, Keiichi Sudo, Tsumuru Watanabe, Takayoshi Eizuka, Yoshitaka Niizeki
  • N-heterocyclic methylpropylamine derivatives, process for producing the same and germicides
    Patent number: 6271385
    Abstract: N-heterocyclicmethylpropylamine derivatives of formula (I): and acid addition salts thereof; wherein R1 represents hydrogen, halogen, alkyl, alkenyl, halogenated alkyl, alkoxy, halogenated alkoxy, hydroxyl, cyano, nitro, phenyl optionally having a substituent on a ring thereof or phenoxy; n represents an integer of 0-5; R2 represents a heterocycle containing at least one nitrogen atom as the hetero atom and optionally having a substituent on a ring thereof; and R3 represents hydrogen or C1-C5 alkyl.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: August 7, 2001
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Atsushi Ito, Satoru Kumazawa, Keiichi Sudo, Tsumoru Watanabe, Takayoshi Eizuka, Yoshitaka Niizeki
  • 6-(Nonsubstituted or substituted) phenoxy picolinic acids, process of preparing the same, and agricultural/horticultural germicides containing the same
    Patent number: 6200933
    Abstract: An agricultural or horticultural fungicide containing 6-(unsubstituted or substituted) phenoxy picolinic acid represented by the general formula (I), as an effective ingredient. wherein R is a halogen atom, a C1 to C4 alkyl group, a C1 to C4 haloalkyl group, a C1 to C4 alkoxy group, a C1 to C4 haloalkoxy group, a C1 to C4 alkylthio group, a C1 to C4 alkylamino group, a di(C1 to C4 alkyl)amino group or a C7 to C8 aralkyl(C1 to C4 alkyl)amino group; n2 is an integer of 0 to 3; Y is a C1 to C4 alkyl group, a C1 to C4 haloalkyl group, a C1 to C4 alkoxy group, a C1 to C4 haloalkoxy group, a C1 to C4 alkylthio group, a C1 to C4 haloalkylthio group or a halogen atom; and m is an integer of 0 to 5, and when m and n2 are not less than 2, Rs and Ys may be the same or different, respectively. The compound is useful as an effective ingredient of agricultural or horticultural fungicides.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: March 13, 2001
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Hisashi Kanno, Yoichi Kanda, Kazuhiko Sunagawa, Takayoshi Eizuka