Patents by Inventor Toshio Matsunobu

Toshio Matsunobu 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).

  • Polyhydroxyalkanoate depolymerase and process for producing the same
    Patent number: 5968801
    Abstract: The present invention relates to polyhydroxyalkanoate depolymerase having a N-terminal fragment of the amino acid sequence of SEQ ID NO: 1 and having a molecular weight of about 33,000 as determined by SDS polyacrylamide gel electrophoresis; a process for producing polyhydroxyalkanoate depolymerase, comprising culturing in a medium a microorganism which belongs to the genus Corynebacterium and has the ability to produce the polyhydroxyalkanoate depolymerase and recovering the polyhydroxyalkanoate depolymerase from the resulting culture; and a process for producing polyhydroxyalkanoate depolymerase, comprising culturing in a medium a transformant transformed with a recombinant vector containing a gene of the polyhydroxyalkanoate depolymerase and recovering the polyhydroxyalkanoate depolymerase from the resulting culture. According to the present invention, there can be provided novel PHA depolymerase with the activity of decomposing .omega.
    Type: Grant
    Filed: January 5, 1998
    Date of Patent: October 19, 1999
    Assignees: Taisei Corporation, Meiji Seika Kasha, Ltd.
    Inventors: Yuji Saito, Masako Shibayama, Hidehi Takebe, Toshio Matsunobu