Patents by Inventor Hiroshi Hagihara

Hiroshi Hagihara 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).

  • Proteinase-resistant cellulase, microorganism producing the same and process for producing the same
    Patent number: 5258297
    Abstract: A proteinase-resistant cellulase, a microorganism producing the same, and a process for producing such a proteinase-resistant cellulase is disclosed. The cellulase can be used as an additive to detergent compositions for washing clothes containing a proteinase, without immobilization or stabilization by chemical modification. The proteinase-resistant cellulase can be produced by a novel microorganism, Aspergillus niger KSM-24 [deposited with Fermentation Research Institute, Agency of Industrial Science and Technology (FERM BP-3359)].
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: November 2, 1993
    Assignee: Kao Corporation
    Inventors: Shun-ichi Akiba, Akira Takei, Hiroshi Hagihara, Tomomi Ota, Hiroshi Kodama, Yoshiharu Kimura