Patents by Inventor Satoko Kono

Satoko Kono 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).

  • Patent number: 5916795
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: June 29, 1999
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi
  • Patent number: 5888802
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction of 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: March 30, 1999
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi
  • Patent number: 5736384
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction of 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: April 7, 1998
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi