Patents by Inventor Wataru Narukawa

Wataru Narukawa 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: 5354408
    Abstract: To correctly splice two films to each other in the end-to-end relationship, a film splicer includes as essential components a base platform, a film guide mechanism arranged on the base platform, an arm member adapted to be turnably depressed against the upper surface of the film guide mechanism by actuating a handle for a cutter holder, an adhesive tape feeding mechanism, and a pair of tape cutters arranged on the lower surface of the arm member for cutting an adhesive tape in a film splicing operation region corresponding to the width of each film to be spliced. The adhesive tape feeding mechanism is composed of an adhesive tape unrolling member, a holding member for temporarily holding the foremost end part of the unrolled adhesive film, and an opposing pair of adhesive tape folding-back members for folding back the unrolled adhesive tape at a predetermined position in front of the film splicing operation region.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: October 11, 1994
    Assignees: Somar Corporation, Yugengaisha Tokyo Seiki Seisa kusho
    Inventors: Yuzo Otomine, Eiji Takamizawa, Wataru Narukawa