Patents by Inventor Masami Ohtugu

Masami Ohtugu 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).

  • Publication number: 20010016115
    Abstract: A panel heater is made of a metallic panel member and an ohmic heat generating body which is covered with a sheath member and which is embedded in the metallic panel member. One of the sheath member and the panel member is formed by a first material capable of being alloyed with, and having a coefficient of thermal expansion close to a coefficient of thermal expansion of, a second material for the other of the sheath member and the panel member. The sheath member and the panel member are seamlessly integrated by diffusion bonding at a high temperature and high pressure.
    Type: Application
    Filed: January 31, 2001
    Publication date: August 23, 2001
    Inventors: Akisuke Hirata, Masami Ohtugu