Patents by Inventor Yoshiaki Matsuga

Yoshiaki Matsuga 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: 4469729
    Abstract: This invention relates to a flexible article comprising rubberlike body having a surface hard film, e.g., a hose, a handrail, a belt or a diaphragm, wherein a fiber layer comprising non-woven or woven fabrics is positioned between the surface hard film and the rubberlike body by use of an adhesive to eliminate generation of the so-called joint cracking phenomenon, i.e., extension of cracking to the rubberlike body accompanying cracking at the hard film caused by any shock.
    Type: Grant
    Filed: May 26, 1982
    Date of Patent: September 4, 1984
    Assignee: Hitachi Cable Ltd.
    Inventors: Shigetaka Watanabe, Masahiro Suzuki, Yoshiaki Matsuga
  • Patent number: 4434022
    Abstract: A process for manufacturing a copper-clad laminate which includes a rolled copper foil as a circuit conductive material comprising, introducing a rolled copper foil through a power supply/guide roller into an electrolyte so as to pass between two parallel electrodes which are disposed in the electrolyte. An AC, DC or a combination thereof is supplied to the power supply/guide roller and the electrodes to form an etched layer on either one or both sides of the rolled copper foil. An adhesive is applied to the etched layer and the resultant rolled copper foil is pressed with a substrate made of a synthetic resin put together to form a laminate.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: February 28, 1984
    Assignee: Hitachi Cable Limited
    Inventors: Osao Kamada, Yoshiaki Matsuga, Masami Watase, Tadato Kudo, Hiroyoshi Harada, Atsushi Kanezaki