Patents by Inventor Michihiko Matsuda

Michihiko Matsuda 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: 5977148
    Abstract: A termiticidal composition containing a compound represented by the formula [I]; ##STR1## wherein R.sub.1 represents 2-chloro-5-pyridyl, 2-chloro-5-pyrazinyl, 2-methyl-5-pyrazinyl or 2-chloro-5-thiazolyl; R.sub.2 represents hydrogen, methyl, ethyl, methoxymethyl, cyclopropyl, propynyl or methoxy; R.sub.3 represents hydrogen or methyl or chloromethyl; and R.sub.4 represents cyano or nitro, or a salt thereof as an active ingredient.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: November 2, 1999
    Assignee: Nipppon Soda Co., Ltd.
    Inventors: Michihiko Matsuda, Renpei Hatano, Makio Yano
  • Patent number: 5892048
    Abstract: This Invention concerns a triazole compound represented by the formula ?I! or a salt thereof and a method for the production thereof. ##STR1## ?wherein X.sub.1 stands for halogen atoms, C.sub.1 -C.sub.6 alkyl groups, C.sub.1 -C.sub.6 alkoxy groups, C.sub.1 -C.sub.6 haloalkyl groups, etc., X.sub.2 stands for halogen atoms, C.sub.1 -C.sub.6 alkyl groups, or C.sub.1 -C.sub.6 alkoxy groups, Y stands for halogen atoms, C.sub.1 -C.sub.12 alkyl groups, C.sub.1 -C.sub.6 haloalkyl groups, phenyl group optionally containing a substituent, etc.R.sub.1 stands for C.sub.1 -C.sub.6 alkyl groups, C.sub.2 -C.sub.6 alkenyl groups, C.sub.2 -C.sub.6 alkinyl groups, etc. Z stands for --CR.sub.2 R.sub.3 --, --CH.sub.2 D--, or --CH.dbd.CH--, R.sub.2 and R.sub.3 independently stand for hydrogen atom, halogen atoms, hydroxy group, etc., D stands for CH.sub.2, CO, O, or S, m stands for an integer in the range of 0-4, and n stands for an integer from 0 to 5!.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: April 6, 1999
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Takashi Kishimoto, Yasuo Yamada, Takao Iwasa, Michihiko Matsuda, Renpei Hatano
  • Patent number: 5760033
    Abstract: A compound represented by the chemical formula ?1!: ##STR1## wherein Z is oxygen or sulfur, Y is halogen, optionally substituted alkyl, optionally substituted alkoxycarbonyl, optionally substituted alkoxy, S(O).sub.p r.sup.1 wherein p denotes an integer from 0 to 2, r.sup.1 is optionally substituted alkyl, nitro, cyano or optionally substituted amino, m denotes an integer from 1 to 3, R.sub.1, R.sub.2 and R.sub.4 are same or different one another and each independently hydrogen, optionally substituted alkyl or optionally substituted phenyl, R.sub.3 is alkyl, alkenyl, aralkyl, cycloalkyl, phenyl, naphthyl, pyridyl, furyl or thienyl, those which substituents can be further optionally substituted by halogen, hydroxy, optionally substituted alkyl or the like, and a chemical agent for controlling pests.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: June 2, 1998
    Inventors: Yasuo Yamada, Takashi Kishimoto, Michihiko Matsuda, Renpei Hatano, Takao Iwasa, Makio Yano
  • Patent number: 4994478
    Abstract: The present invention relates to a compound having the formula ##STR1## (wherein R.sub.1 denotes a phenyl radical (which may be substituted by halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 alkoxy radicals (which may be substituted by C.sub.1-6 alkoxy radicals,) C.sub.2-6 alkynyloxy radicals, amino radicals, nitro radicals, phenyl radicals, phenoxy radicals or C.sub.1-6 alkylthio radicals), a five or six membered heterocyclic radical (which may be substituted by halogen atoms or C.sub.1-6 alkyl radicals), a C.sub.1-6 alkyl radical (which may be substituted by aryl radicals) or ##STR2## wherein each or r.sup.1 and r.sup.2 denotes a C.sub.1-6 alkyl radical or a phenyl radical)X denotes oxygen atom or sulfur atom;A denotes ##STR3## B denotes ##STR4## D denotes ##STR5## n, m and l denote 0 or 1, (wherein r.sup.3, r.sup.4, r.sup.6, r.sup.7, r.sup.9 and r.sup.10, respectively, denotes hydrogen atom, halogen atom, C.sub.1-6 alkyl radical, the radical expressed by the formula --Y-- r.sup.12 (wherein r.sup.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: February 19, 1991
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Takashi Kishimoto, Takashi Okabe, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa
  • Patent number: 4937335
    Abstract: The present invention relates to a compound having the formula ##STR1## wherein R.sub.1 denotes C.sub.1-6 alkyl radicals; R.sub.2 denotes halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 haloalkyl radicals, C.sub.1-6 alkoxy radicals, C.sub.1-6 haloalkoxy radicals or the phenyl radicals which may be substituted by methylenedioxy radicals; ##STR2## denotes 5-7 member heterocyclic radicals whose ring constituent atoms comprise 2-6 carbon atoms, 0-1 oxygen atom and 1-2 nitrogen atoms and which may be substituted by C.sub.1-6 alkyl radicals.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: June 26, 1990
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Keiichi Ishimitsu, Hiroyuki Imagawa, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa
  • Patent number: 4882431
    Abstract: The present invention relates to a compound having the formula ##STR1## wherein R.sub.1 denotes C.sub.1-6 alkyl radicals; R.sub.2 denotes halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 haloalkyl radicals, C.sub.1-6 alkoxy radicals, C.sub.1-6 haloalkoxy radicals or the phenyl radicals which may be substituted by methylenedioxy radicals; ##STR2## denotes 5-7 member heterocyclic radicals whose ring constituent atoms comprise 2-6 carbon atoms, 0-1 oxygen atom and 1-2 nitrogen atoms and which may be substituted b C.sub.1-6 alkyl radicals, are processes and an acaricidal composition comprising its compound as active ingredient(s).
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: November 21, 1989
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Keiichi Ishimitsu, Hiroyuki Imagawa, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa
  • Patent number: 4316044
    Abstract: Isovaleric acid derivatives having the formula ##STR1## wherein typical representations of X is halophenyl, R.sub.1 is hydrogen or cyano, R.sub.2 is hydrogen or lower alkyl, and Y is halophenyl. These derivatives possess insecticidal and acaricidal properties. The process for their preparation is described.
    Type: Grant
    Filed: August 29, 1980
    Date of Patent: February 16, 1982
    Assignee: Nippon Soda Company Limited
    Inventors: Keiichi Ishimitsu, Isamu Kasahara, Tomio Yamada, Michihiko Matsuda, Hidemitsu Takahashi, Shuichi Soma
  • Patent number: 4024252
    Abstract: A compound of the formula ##STR1## WHEREIN R.sub.1 is alkyl having 1 to 3 carbon atoms; is useful as insecticide.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: May 17, 1977
    Assignee: Nippon Soda Company Limited
    Inventors: Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Saburo Kano, Osami Nomura
  • Patent number: 3970751
    Abstract: A compound represented by the formula ##SPC1##WhereinR.sub.1 and R.sub.2 are lower alkyl having six or less carbon atoms,X is bromine is used to combat phylophogous insects.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: July 20, 1976
    Assignee: Nippon Soda Company Limited
    Inventors: Saburo Kano, Osami Nomura, Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Takuzo Taniguchi
  • Patent number: 3948926
    Abstract: A compound represented by the formula ##SPC1##WhereinR, r.sub.1 and R.sub.2 are lower alkyl having six or less carbon atoms;X is halogen.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: April 6, 1976
    Inventors: Saburo Kano, Osami Nomura, Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Takuzo Taniguchi