Patents by Inventor Tatsuo Inada

Tatsuo Inada 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).

  • Low-permittivity glass fibers
    Patent number: 5958808
    Abstract: The low-dielectric-constant glass fiber of the present invention contains by weight, as a glass composition, 50 to 60% of SiO.sub.2, 10 to 20% of Al.sub.2 O.sub.3, 20 to 30% of B.sub.2 O.sub.3, 0 to 5% of CaO, 0 to 4% of MgO, 0 to 0.5% of Li.sub.2 O+Na.sub.2 O+K.sub.2 O and 0.5 to 5% of TiO.sub.2, and is preferably used as glass for printed wiring boards.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: September 28, 1999
    Assignees: Nitto Boseki Co., Ltd, Nitto Glass Fiber Mfg. Co., Ltd.
    Inventors: Masahiro Mori, Shinichi Tamura, Syoichi Saito, Kenzo Watabe, Tatsuo Inada, Masahiro Yamamoto