Patents by Inventor Takahisa Yajima

Takahisa Yajima 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).

  • Ascorbate oxidase isolated from Acremonium sp. HI-25 ferm BP-3124
    Patent number: 5180672
    Abstract: An ascorbate oxidase having an optimum pH range of 3.5-4.5 is isolated from Acremonium sp. Hi-25 BP-3124. The ascorbate oxidase is used in foods or drinks to oxidize ascorbate to prevent damage to the foods or drinks by oxidation.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: January 19, 1993
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Homare Itoh, Takashi Shin, Takahisa Yajima, Shigeki Fukuyasu