Patents by Inventor Tsunetake Sugimori

Tsunetake Sugimori 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).

  • Process for producing ganglioside G.sub.M1
    Patent number: 5296360
    Abstract: The present invention provides a process for preparing ganglioside G.sub.Ml characterized in that neuraminidase isozyme S is allowed to act on gangliosides to produce ganglioside G.sub.Ml.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: March 22, 1994
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiro Ohta
  • Process for producing asialo GM1
    Patent number: 5275939
    Abstract: The present invention provides a process for preparing asialo G.sub.M1 characterized in that neuraminidase isozyme L is allowed to act on gangliosides to produce asialo G.sub.M1.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: January 4, 1994
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiro Ohta
  • Process for preparing neuraminidase
    Patent number: 5116752
    Abstract: The present invention provides a process for preparing neuraminidase comprising incubating a mutant of the genus Arthrobacter capable of producing neuraminidase in the absence of any inducing substance, and recovering neuraminidase from the resulting culture.
    Type: Grant
    Filed: January 15, 1991
    Date of Patent: May 26, 1992
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiro Ohta
  • Bile acid sulfate sulfatase, process for its preparation and method for assaying bile acid
    Patent number: 5100795
    Abstract: The invention provides a novel bile acid sulfate sulfatase, a process for its preparation, and a method of assaying bile acid 3.alpha.-sulfates and total bile acids using the bile acid sulfatase.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: March 31, 1992
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiko Tatsuke
  • Bile acid sulfate sulfatase, process for its preparation and method for assaying bile acid
    Patent number: 5091305
    Abstract: The invention provides a novel bile acid sulfate sulfatase, a process for its preparation, and a method of assaying bile acid 3.alpha.-sulfates and total bile acids using the bile acid sulfatase.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: February 25, 1992
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiko Tatsuke
  • Process for producing N-acylneuraminate aldolase
    Patent number: 4699883
    Abstract: This invention provides a process for producing N-acylneuraminate aldolase comprising incubating a mutant of the genus Escherichia capable of producing N-acylneuraminate aldolase even in the absence of any inducing substance, and collecting N-acylneuraminate aldolase from the resulting culture.
    Type: Grant
    Filed: July 23, 1985
    Date of Patent: October 13, 1987
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yoshihiro Uchida, Yasuhiro Ohta