Patents by Inventor Seiji Ukawa

Seiji Ukawa 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: 8927458
    Abstract: Triazolylpyridine ketones expressed by the following formula (1) and use thereof as herbicides.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: January 6, 2015
    Assignee: Bayer CropScience AG
    Inventors: Andreas Van Almsick, Shinichi Narabu, Yoshitaka Sato, Kei Domon, Koichi Araki, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Chieko Ueno
  • Patent number: 8658798
    Abstract: Triazolylpyridine ketones expressed by the following formula (I) and use thereof as herbicides.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: February 25, 2014
    Assignee: Bayer Cropscience AG
    Inventors: Andreas Van Almsick, Shinichi Narabu, Yoshitaka Sato, Kei Domon, Koichi Araki, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Chieko Ueno
  • Publication number: 20130296168
    Abstract: Triazolylpyridine ketones expressed by the following formula (1) and use thereof as herbicides.
    Type: Application
    Filed: May 22, 2013
    Publication date: November 7, 2013
    Inventors: Andreas Van Almsick, Shinichi Narabu, Yoshitaka Sato, Kei Domon, Koichi Araki, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Chieko Ueno
  • Patent number: 8084398
    Abstract: Benzoylpyrazoles represented by the following formula (I), and use thereof as herbicides. R1 represents alkyl; R2 represents alkyl or cycloalkyl; R3 represents hydrogen, alkyl, alkenyl, alkynyl, aralkyl, alkylsulfonyl, optionally substituted phenylsulfonyl, acyl or acylalkyl; X represents halogen or alkyl; Y represents halogen; n represents 2 or 3, and T represents the above group T1 or T2, wherein R4 represents hydrogen, alkyl, alkoxy or alkylthio.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: December 27, 2011
    Assignee: Bayer Cropscience AG
    Inventors: Shinichi Narabu, Yasushi Yoneta, Akihiko Yanagi, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Shin Nakamura, Martin Hills, Heinz Kehne, Jan Dittgen, Dieter Feucht, Christopher Rosinger
  • Publication number: 20110237800
    Abstract: Triazolylpyridine ketones expressed by the following formula (I) and use thereof as herbicides.
    Type: Application
    Filed: July 24, 2008
    Publication date: September 29, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Van Almsick Andreas, Shinichi Narabu, Yoshitaka Sato, Kei Domon, Koichi Araki, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Ueno Chieko
  • Publication number: 20100094023
    Abstract: Benzoylpyrazoles represented by the following formula (I), and use thereof as herbicides. R1 represents alkyl; R2 represents alkyl or cycloalkyl; R3 represents hydrogen, alkyl, alkenyl, alkynyl, aralkyl, alkylsulfonyl, optionally substituted phenylsulfonyl, acyl or acylalkyl; X represents halogen or alkyl; Y represents halogen; n represents 2 or 3, and T represents the above group T1 or T2, wherein R4 represents hydrogen, alkyl, alkoxy or alkylthio.
    Type: Application
    Filed: October 2, 2007
    Publication date: April 15, 2010
    Applicant: Bayer CropScience AG
    Inventors: Shinichi Narabu, Ysushi Yoneta, Akihiko Yanagi, Shinichi Shirakura, Seiji Ukawa, Teruyuki Ichihara, Shin Nakamura, Martin Hills, Heinz Kehne, Jan Dittgen, Dieter Feucht, Christopher Rosinger
  • Publication number: 20090062536
    Abstract: A herbicide comprising as an active ingredient a sulfonanilide compound represented by the formula: wherein, R1 represents CHF2 or CH2CF3; R2 represents hydrogen, C1-3 alkyl, 3-propenyl, or 3-propynyl; R3 represents hydrogen; R4 represents hydrogen, hydroxy, or methylthio, or R3 and R4, together with a carbon atom to which they are bonded, may form C?O; R5 represents halogen or methyl; X represents methoxy or chlorine; and Z represents CH or N; with the proviso that, (i) when R1 represents CH2CF3, R2 represents hydrogen, R5 represents bromine or iodine, X represents methoxy, and Z represents CH, (ii) when R1 represents CHF2 and X represents methoxy, R5 represents bromine or iodine, Z represents N, and R2 represents C1-3 alkyl, 3-propenyl, or 3-propynyl, (iii) when R1 represents CHF2 and X represents chlorine, Z represents CH.
    Type: Application
    Filed: August 18, 2008
    Publication date: March 5, 2009
    Inventors: KOICHI ARAKI, Yoshitaka Sato, Shinichi Shirakura, Keiji Endo, Shin Nakamura, Seiji Ukawa, Chieko Ueno