Patents by Inventor Yoshio Yoshihama

Yoshio Yoshihama 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).

  • Biologically pure mushroom culture and method for mushroom cultivation
    Patent number: 5349121
    Abstract: A biologically pure culture of Lyophyllum decastes capable of forming a fruiting body in an artificial medium. Also provided is a method for cultivation of Lyophyllum decastes to form the fruiting body.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: September 20, 1994
    Assignee: Takara Shuzo Co., Ltd.
    Inventors: Yoshio Yoshihama, Katsuhiko Kusakabe, Susumu Matsui, Hideo Morita
  • Novel NAD(P)H oxidase
    Patent number: 4954445
    Abstract: NAD(P)H oxidase is disclosed having the following enzymological properties:(1) ActionIt oxidizes NADH or NADPH in the presence of oxygen to form NAD or NAD and hydrogen peroxide.NAD(P)H+H.sup.+ +O.sub.2 .fwdarw.NAD(P).sup.+ +H.sub.2 O.sub.2(2) Substrate specificityIt acts upon NADH and NADPH.(3) Optimum pHIts optimum pH lies in the range of about 9 to 10.Also disclosed is a process for producing the NAD(P)H oxidase and a method for determining the quantity of substrate or enzyme activity in a sample solution by utilizing a reaction system forming NADH or NADPH.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: September 4, 1990
    Assignee: Takara Shuzo Co., Ltd.
    Inventors: Yoshio Yoshihama, Asuka Kagaya, Susumu Matsui, Akira Obayashi
  • Novel bilirubin oxidase, its production and use
    Patent number: 4600689
    Abstract: The present invention relates to a novel bilirubin oxidase produced by a strain belonging to the genus Trachyderma of the class Basidiomycetes and its production, a reagent composition for bilirubin containing said novel bilirubin oxidase, a method for the quantitative determination of bilirubin in test solutions such as biological fluids with said reagent composition, and a method for applying said reagent composition to analytical methods in which the interfering effect of bilirubin needs to be eliminated.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: July 15, 1986
    Assignee: Takara Shuzo Co., Ltd.
    Inventors: Susumu Matsui, Yoshio Yoshihama, Tsutomu Taniguchi