Patents by Inventor Iwao Tejima

Iwao Tejima 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).

  • Benzenethiocarbamate derivatives
    Patent number: 4325968
    Abstract: Compounds represented by the formula: ##STR1## Wherein R.sub.1 is alkyl having 1 to 4 carbon atoms, R.sub.2 is hydrogen or alkyl having 1 to 4 carbon atoms, R.sub.3 is alkyl having 1 to 4 carbon atoms and X is hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms or alkylsulfonyloxy having 1 to 4 carbon atoms, and preparation methods thereof, and use thereof as a fungicide and for regulating the growth of plants.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: April 20, 1982
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Taizo Nakagawa, Yutaka Watanabe, Kaoru Ohmori, Kengo Koike, Iwao Tejima
  • 4-Alkylsulfonyloxyphenyl N-alkylthiolcarbamates and use thereof as fungicide for agriculture
    Patent number: 4126696
    Abstract: New 4-alkylsulfonyloxyphenyl N-alkylthiolcarbamates of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 is a lower alkyl having from 1 to 6 carbon atoms and X is hydrogen, chlorine or methyl. The compounds have excellent effect on the prevention of the soil born plant diseases.
    Type: Grant
    Filed: April 12, 1978
    Date of Patent: November 21, 1978
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Taizo Nakagawa, Toshiyuki Suzuki, Yutaka Watanabe, Kaoru Ohmori, Iwao Tejima, Osamu Yamada, Shuichi Ishida
  • Diphenylether derivatives and use thereof as an acaricide
    Patent number: 4091109
    Abstract: Compounds of the formula ##STR1## wherein R represents CN, SCH.sub.3, Cl, Br or CF.sub.3 and n represents 0 or 1, have very excellent acaricidal activity.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: May 23, 1978
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoki, Shizuo Wakita, Shoichi Kato, Iwao Tejima, Shuichi Ishida
  • Phenyl thiol carbanilide derivatives, method for the preparation thereof and use thereof as fungicide for agriculture
    Patent number: 4086360
    Abstract: New phenyl thiol carbanilide derivatives of the present invention are represented by the formula ##STR1## where X represents a lower alkylsulfonyl, a lower alkoxycarbonyl, a N-lower alkylcarbamoyl, a lower alkylcarbonyl or an O,O-dilower alkyl thiophosphonyl, Y represents hydrogen, chlorine, bromine or a lower alkyl, Z represents hydrogen, fluorine, chlorine, bromine, a lower alkyl, a lower alkoxy or trifluoromethyl and m represents 1 or 2. The compounds have excellent fungicidal activity against fungi which cause diseases of plants.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: April 25, 1978
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Taizo Nakagawa, Kaoru Ohmori, Yutaka Watanabe, Iwao Tejima, Shuichi Ishida, Toshiyuki Suzuki, Osamu Yamada