Patents by Inventor Yoshisuke Otsuru

Yoshisuke Otsuru 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).

  • Projector apparatus
    Patent number: 5815221
    Abstract: A polarizing beam splitter extracts orthogonally polarized light beams from natural light and distributes those to liquid crystal panels, which modulate polarization states of those polarized light beams in accordance with a luminance signal and chrominance signals of video signals, respectively. The modulated light beams are combined by the same polarizing beam splitter, and the combined light is enlarged and projected onto a screen by a projection lens, to reproduce a projected image.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: September 29, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masanori Kojima, Ko Nishino, Yasuhito Myoi, Masaaki Tanaka, Teruo Miyamoto, Fumio Suzuki, Fumio Itoh, Yoshisuke Otsuru