Patents by Inventor Ryutaro Utsumi

Ryutaro Utsumi 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).

  • Compound; tautomer and geometric isomer thereof; salt of said compound, tautomer, or geometric isomer; method for manufacturing said compound, tautomer, isomer, or salt; antimicrobial agent; and anti-infective drug
    Patent number: 9512075
    Abstract: The present invention provides compounds belonging to 3-acyloxyindole compounds or 3-acyl-4-hydroxycoumarin compounds, a tautomer or geometric isomer thereof, or a salt thereof and methods for producing the same, which compounds are useful as antibacterial agent and as therapeutic drugs against infectious diseases.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: December 6, 2016
    Assignees: OKAYAMA UNIVERSITY, MICROBIAL CHEMISTRY RESEARCH FOUNDATION, KINKI UNIVERSITY
    Inventors: Teruhiko Ishikawa, Tatsuya Kitaoka, Shyota Katayama, Yoshikuni Itoh, Ryutaro Utsumi, Masayuki Igarashi
  • COMPOUND; TAUTOMER AND GEOMETRIC ISOMER THEREOF; SALT OF SAID COMPOUND, TAUTOMER, OR GEOMETRIC ISOMER; METHOD FOR MANUFACTURING SAID COMPOUND, TAUTOMER, ISOMER, OR SALT; ANTIMICROBIAL AGENT; AND ANTI-INFECTIVE DRUG
    Publication number: 20150291523
    Abstract: The present invention provides compounds belonging to 3-acyloxyindole compounds or 3-acyl-4-hydroxycoumarin compounds, a tautomer or geometric isomer thereof, or a salt thereof and methods for producing the same, which compounds are useful as antibacterial agent and as therapeutic drugs against infectious diseases.
    Type: Application
    Filed: October 17, 2013
    Publication date: October 15, 2015
    Inventors: Teruhiko Ishikawa, Tatsuya Kitaoka, Shyota Katayama, Yoshikuni Itoh, Ryutaro Utsumi, Masayuki Igarashi
  • Compound signamycin, method for production thereof, and use thereof
    Patent number: 8058455
    Abstract: A compound having a structure expressed by the following Structural Formula (1) and a compound having a structure expressed by the following Structural Formula (2):
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: November 15, 2011
    Assignee: Kinki University
    Inventors: Masayuki Igarashi, Ryutaro Utsumi
  • NOVEL COMPOUND SIGNAMYCIN, METHOD FOR PRODUCTION THEREOF, AND USE THEREOF
    Publication number: 20110144355
    Abstract: A compound having a structure expressed by the following Structural Formula (1) and a compound having a structure expressed by the following Structural Formula (2):
    Type: Application
    Filed: February 23, 2011
    Publication date: June 16, 2011
    Applicant: KINKI UNIVERSITY
    Inventors: Masayuki Igarashi, Ryutaro Utsumi
  • Fusaric acid resistant genes
    Patent number: 5292643
    Abstract: Fusaric acid resistant genes derived from fusaric acid decomposing or detoxifying microorganisms such as Pseudomonas cepacia and Klebsiella oxytoca are described. Also described are DNA fragments and plasmids, which comprise such fusaric acid resistant genes. Host cells comprising such plasmids are also described.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: March 8, 1994
    Assignees: Suntory Limited, Daikin Industries, Ltd.
    Inventors: Yuji Shibano, Hideyoshi Toyoda, Ryutaro Utsumi, Kazuaki Obata
  • Microorganisms detoxifying fusaric acid and method for detoxifying fusaric acid by the use of the same
    Patent number: 5178863
    Abstract: A method for the prevention of Fusarium diseases comprising the application of a microorganism that detoxifies fusaric acid to the plant or to the soil. The microorganism is Klebsiella oxytoca which has the ability to detoxify fusaric acid.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: January 12, 1993
    Assignee: Daikin Industries, Ltd.
    Inventors: Hideyoshi Toyoda, Ryutaro Utsumi
  • Method for the prevention of fusarium diseases and microorganisms used for the same
    Patent number: 4988586
    Abstract: A method for the prevention of Fusarium diseases comprising the application of a microorganism that decomposes or detoxifies fusaric acid to the plant or to the soil. The microorganisms are the genuses Cladosporium and Pseudomonas that have the ability to decompose and/or detoxify fusaric acid.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: January 29, 1991
    Assignee: Daikin Industries, Ltd.
    Inventors: Hideyoshi Toyoda, Ryutaro Utsumi