Patents by Inventor Shinzo Koumoto

Shinzo Koumoto 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).

  • Antenna device and method for manufacturing the same
    Patent number: 6369777
    Abstract: Relating to an antenna device used in wireless unit for mobile communication or the like, it is an object to present an antenna device hardly causing uneven pitch or deformation of antenna elements, high in gain and reliability, excellent in productivity, and having two or more impedance characteristics, and a method of manufacturing the same.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: April 9, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masahiro Ohara, Koji Sako, Shinzo Koumoto, Yusuke Ishito, Yasunori Kishimoto, Norihisa Nishida, Hiroaki Tsuda