Patents by Inventor Tosikuni Maruoka

Tosikuni Maruoka 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).

  • Cutting apparatus for potting material with hollow fibers embedded therein
    Patent number: 4271740
    Abstract: In a cutting apparatus wherein an object is cut in such a manner that a cutting blade is rotated relatively to the object, in which the cutting blade is constructed as a straight blade having a straight cutting edge which is defined by:(a) a first blade surface to be positioned at an angle with a predetermined cutting plane of the object; and(b) a second blade surface to be positioned at a larger angle with the cutting plane of the object than that of the first blade surface,wherein on the relative rotation of the straight blade the first blade surface is so disposed as to be withdrawn from the cutting plane of the object toward the second blade surface without substantially contacting with the cutting plane.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: June 9, 1981
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Masahiro Yamazaki, Takayasu Akiyama, Yoshihiro Makuta, Tosikuni Maruoka