Patents by Inventor Eiji Kohno

Eiji Kohno 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).

  • Publication number: 20080139804
    Abstract: To provide a novel photosensitive compound which is useful for a photodynamic therapy, an agent for the photodynamic therapy containing the same and a method for producing the same. A compound represented by the following formula 1 or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: January 13, 2006
    Publication date: June 12, 2008
    Inventors: Naohiro Kanayama, Kentaro Horiuchi, Hidechika Ozawa, Toru Hirano, Eiji Kohno
  • Patent number: 7256192
    Abstract: The present invention relates to an aromatic diamide derivative represented by the general formula (I): [A1 is optionally substituted (C1-C8)alkylene group, (C3-C8)alkenylene group or the like, B is —O— or —N(R4)— (wherein R4 is H, (C1-C6)alkyl, halo(C1-C6)alkyl or the like), R1 is H, (C1-C6)alkyl, optionally substituted phenyl, optionally substituted heterocyclic group, or the like, R2 and R3 are each H, (C3-C6)cycloalkyl or —A2—R8 (A2 is —C(?O)—, —C(?S)— or —C(?NR9)—, R8 and R9 are each H, (C1-C6)alkyl or the like), Q1 to Q5 are each carbon or nitrogen, X and Y are each halogen, cyano, nitro, (C3-C6)cycloalkyl, optionally substituted phenyl, optionally substituted heterocyclic group, or the like, n is 0 to 4, m is 1 to 5, and Z1 and Z2 are each O or S] or a salt thereof, an agricultural and horticultural chemical, and a usage of the chemical.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: August 14, 2007
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Eiji Kohno, Hayami Nakao, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka
  • Patent number: 6875768
    Abstract: Heterocyclic amine derivatives represented by general formula (I): wherein R1, R2 and R3 represent each H, optionally halogenated C3-6 cycloalkyl, etc.; Q represents an optionally substituted heterocycle containing O, S or N; X represents halogeno, cyano, halo(C1-6)alkyl, etc.; n is from 1 to 4; and Z1 and Z2 represent each O or S; and intermediates thereof represented by the following general formula (IV?): Q?—NH2 wherein Q? represents a definite heterocycle selected from among those represented by Q. Agricultural/horticultural insecticides having a remarkable effect of controlling pest insects of crops such as rice, fruit trees and vegetables, as well as various agricultural, forestry, horticultural and stored grain pest insects.
    Type: Grant
    Filed: July 4, 2000
    Date of Patent: April 5, 2005
    Assignee: Nihon Nohyako Co., Ltd.
    Inventors: Kouzou Machiya, Kazuyoshi Endoh, Takashi Furuya, Hayami Nakao, Makoto Gotoh, Eiji Kohno, Masanori Tohnishi, Kazuyuki Sakata, Masayuki Morimoto, Akira Seo
  • Patent number: 6864289
    Abstract: Aromatic diamide derivative represented by the general formula (I) or a salt thereof and agricultural/herticultural composition containing the same as the active ingredient, wherein A1 represents alkylene, alkenylene or alkynylene; B represents, CO— or —C(?N—OR4)— (wherein R4 represents H, etc.); R1 to R3 represent each H, etc.; Q1 to Q5 represent each N or carbon; Y represents halogeno, etc.; m is from 0 to 5; and Z1 and Z2 represent each O or S.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: March 8, 2005
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Hayami Nakao, Eiji Kohno, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka, Hideo Kanno
  • Patent number: 6717013
    Abstract: The present invention provides an aniline derivative represented by the formula (I) wherein R1 and R2 are each H, (C1-12)alkyl, (C3-8)cycloalkyl, hydroxy(C1-12)alkyl, hydroxycarbonyl (C1-12)alkyl, (C1-6)-alkoxycarbonyl(C1-6)alkyl, —COR8, wherein R8 is H, halo-(C1-12)alkyl, (C3-8)cycloalkyl or (substituted) phenyl, COOR9, wherein R9 is a halo(C1-6)alkyl group, (substituted) phenyl or (substituted) benzyl; R3, R4, R5, R6 and R7 are each H, halogen, OH, nitro, halo(C1-12)alkylthio, (substituted) amino-(C1-2)alkyl, (substituted) phenyl, (substituted) benzyl, amino, —N(R10)R11 wherein R10 and R11 are each H, alkyl, cycloalkyl, (substituted) phenyl, (substituted) benzyl, —COR8 or COOR9, or (C2-27)perfluoroalkyl, etc., and a process for producing the aniline derivative. According to the process of the present invention, perfluoroalkylaniline derivatives can be obtained by using various anilines as the substrate with a high position selectivity and high yield.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: April 6, 2004
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanobu Onishi, Akihiko Yoshiura, Eiji Kohno, Kenji Tsubata
  • Publication number: 20040009982
    Abstract: The present invention relates to an aromatic diamide derivative represented by the general formula (I): 1
    Type: Application
    Filed: September 20, 2002
    Publication date: January 15, 2004
    Inventors: Masanori Tohnishi, Eiji Kohno, Hayami Nakao, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka
  • Patent number: 6642379
    Abstract: Benzamide derivatives represented by the general formula (I): and insecticides for agricultural and horticultural use and usage thereof, wherein Z1 is O or S; R is H, (substituted) alkyl, or alkoxycarbonyl; X is halogeno, cyano, nitro, C3-C6(halo)cycloalkyl, (substituted) phenyl, a (substituted) heterocyclic group, or —A1—R1 [wherein A1 is —O—, —S—, —SO—, —SO2—, —C(═O)—, or —C(═NOR2)— (wherein R2 is H, C1-C6(halo)alkyl, (substituted) phenylated C1-C4 alkyl, or the like); and R1 is halogeno, C3-C6 cycloalkyl, C3-C6 halocycloalkenyl, (substituted) phenyl, or the like]; n is 0 to 4; Y is halogeno, cyano, nitro, C3-C6 halocycloalkyl, (substituted) phenyl, or the like; m is 1 to 5; Q is a heterocycle such as oxazoline; and B1 to B4 are each CH or N.
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: November 4, 2003
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Takashi Furuya, Eiji Kohno, Masanori Tohnishi, Kazuyuki Sakata, Masayuki Morimoto, Akira Seo
  • Publication number: 20030204104
    Abstract: The present invention provides an aniline derivative represented by the formula (I) 1
    Type: Application
    Filed: May 14, 2003
    Publication date: October 30, 2003
    Inventors: Masanobu Onishi, Akihiko Yoshiura, Eiji Kohno, Kenji Tsubata
  • Patent number: 6603044
    Abstract: The present invention provides a phthalamide derivative of the formula (I): wherein A1 is (substituted) C1-C8 alkylene, (substituted) C3-C8 alkenylene, (substituted) C3-C8 alkynylene, etc., R1 is H, (halo) C3-C6 cycloalkyl, (substituted) phenyl, (substituted) heterocycle, —A2—R4, etc., R2 and R3 are H, C3-C6 cycloalkyl, —A2—R4, etc., A2 is —C(═O)—, —C(═S)— or —C(═NR5)—, R4 is H, alkyl, (substituted) phenyl, (substituted) heterocycle, etc., X and Y are halogen, cyano, nitro, (halo) C1-C6 alkyl, (halo) C1-C6 alkoxy, etc., l is 0-4, m is 0-5, n is 0-2; and an agrohorticultural insecticide containing said compound as active ingredient and exhibiting an excellent insecticidal effect.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: August 5, 2003
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Hayami Nakao, Eiji Kohno, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka, Hideo Kanno
  • Patent number: 6600074
    Abstract: The present invention provides an aniline derivative represented by the formula (I) wherein R1 and R2 are each H, (C1-12)alkyl, (C3-8)cycloalkyl, hydroxy(C1-12)alkyl, hydroxycarbonyl (C1-12)alkyl, (C1-6)-alkoxycarbonyl(C1-6)alkyl, —COR8, wherein R8 is H, halo-(C1-12)alkyl, (C3-8)cycloalkyl or (substituted) phenyl, COOR9, wherein R9 is a halo(C1-6)alkyl group, (substituted) phenyl or (substituted) benzyl; R3, R4, R5, R6and R7 are each H, halogen, OH, nitro, halo(C1-12)alkylthio, (substituted)amino-(C1-2)alkyl, (substituted) phenyl, (substituted) benzyl, amino, —N(R10)R11 wherein R10 and R11 are each H, alkyl, cycloalkyl, (substituted) phenyl, (substituted) benzyl, —COR8 or COOR9, or (C2-27)perfluoroalkyl, etc., and a process for producing the aniline derivative. According to the process of the present invention, perfluoroalkylaniline derivatives can be obtained by using various anilines as the substrate with a high position selectivity and high yield.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: July 29, 2003
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanobu Onishi, Akihiko Yoshiura, Eiji Kohno, Kenji Tsubata
  • Patent number: 6559341
    Abstract: The present invention provides a phthalic acid diamide derivative represented by the general formula (I) (wherein R1, R2 and R3 are each H, C3-C6 cycloalkyl group, group of the formula —A1—Ql or the like; X may be the same or different and are each halogen atom, nitro group, phenyl group, group of the formula —A2—R7 or the like; n is 1 to 4; Y may be same or different and are each halogen atom, cyano group, phenyl group, group of the formula —A2—R7 or the like; m is 1 to 5; Z1 and Z2 are each O or S), fluorine-containing aniline compound represented by the general formula (ST-I) as starting material for said phthalic acid diamide derivative (wherein Ra is halogen atom, C1-C6 alkyl group or the like and Rb, Rc and Rd is H or C2-C6 perfluoroalkyl group), and an agricultural and horticultural insecticide containing said phthaldiamide derivative, as well as to provide a method for use of said insecticide.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: May 6, 2003
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Hayami Nakao, Eiji Kohno, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka, Hideo Kanno
  • Publication number: 20030055287
    Abstract: The present invention provides a phthalic acid diamide derivative represented by the general formula (I) 1
    Type: Application
    Filed: January 4, 2002
    Publication date: March 20, 2003
    Inventors: Masanori Tohnishi, Hayami Nakao, Eiji Kohno, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka, Hideo Kanno
  • Publication number: 20020198399
    Abstract: The present invention provides an aniline derivative represented by the formula (I) 1
    Type: Application
    Filed: July 29, 2002
    Publication date: December 26, 2002
    Inventors: Masanobu Onishi, Akihiko Yoshiura, Eiji Kohno, Kenji Tsubata
  • Patent number: 6362369
    Abstract: The present invention provides a phthalic acid diamide derivative represented by the general formula (I) (wherein R1, R2 and R3 are each H, C3-C6 cycloalkyl group, group of the formula —A1—Ql or the like; X may be the same or different and are each halogen atom, nitro group, phenyl group, group of the formula —A2—R7 or the like; n is 1 to 4; Y may be same or different and are each halogen atom, cyano group, phenyl group, group of the formula —A2—R7 or the like; m is 1 to 5; Z1 and Z2 are each 0 or S), fluorine-containing aniline compound represented by the general formula (ST-I) as starting material for said phthalic acid diamide derivative (wherein Ra is halogen atom, C1-C6 alkyl group or the like and Rb, Rc and Rd is H or C2-C6 perfluoroalkyl group), and an agricultural and horticultural insecticide containing said phthaldiamide derivative, as well as to provide a method for use of said insecticide.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: March 26, 2002
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Masanori Tohnishi, Hayami Nakao, Eiji Kohno, Tateki Nishida, Takashi Furuya, Toshiaki Shimizu, Akira Seo, Kazuyuki Sakata, Shinsuke Fujioka, Hideo Kanno
  • Publication number: 20010041814
    Abstract: The present invention provides a phthalic acid diamide derivative represented by the general formula (I) 1
    Type: Application
    Filed: February 16, 1999
    Publication date: November 15, 2001
    Inventors: MASANORI TOHNISHI, HAYAMI NAKAO, EIJI KOHNO, TATEKI NISHIDA, TAKASHI FURUYA, TOSHIAKI SHIMIZU, AKIRA SEO, KAZUYUKI SAKATA, SHINSUKE FUJIOKA, HIDEO KANNO
  • Patent number: 4863504
    Abstract: Novel cyclohexane-1,3-dione derivatives represented by 2-{1-(3-chloro-2-propenyloxyimino)propyl}-5-(1-methyl-1H-pyrazol-4-yl)cycl ohexane-1,3-dione and intermediates thereof are disclosed. The cyclohexane-1,3-dione derivatives have a potent herbicidal effect against a wide variety of weeds and can selectively control injurous weeds at lower dosages. A process for preparing the cyclohexane-1,3-dione derivatives is also disclosed.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: September 5, 1989
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Hiroshi Hamaguchi, Tetsuji Ohshima, Eiji Kohno, Hideo Takaishi, Tsutomu Mabuchi, Katsumasa Okawa