Patents by Inventor Tohru Sano

Tohru Sano 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).

  • Separation apparatus, method of separation, and process for producing separation apparatus
    Publication number: 20040251171
    Abstract: There is provided separation techniques for separating samples in a short period of time by using a small amount of samples with excellent resolution, causing few problems such as clogging.
    Type: Application
    Filed: May 19, 2004
    Publication date: December 16, 2004
    Inventors: Kazuhiro Iida, Masakazu Baba, Hisao Kawaura, Tohru Sano, Toshitsugu Sakamoto, Noriyuki Iguchi, Hiroko Someya
  • Color cathode-ray tube
    Patent number: 5196761
    Abstract: In a shadow mask type color cathode-ray tube, the coercive force of the shadow mask frame, internal magnetic shield, shadow mask and reinforcing band is limited to a specific value when they are magnetized at specific magnetic field, in order to eliminate any adverse influences of environmental magnetic field.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: March 23, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Kazuo Majima, Tohru Sano