Patents by Inventor Tsuneo Takano

Tsuneo Takano 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).

  • Plastic-clad silica (PCS) fibers and methods and apparatuses for producing the same
    Patent number: 5212762
    Abstract: A method and apparatus for producing a polymer-clad silica (PCS) optical fiber comprising a core of a transparent inorganic glass and a cladding of a transparent organic polymer characterized in that the amount of volatile components in its cladding is not more than 1 wt %, which method and apparatus comprise forming the core fiber, forming the cladding around the core fiber, and treating the cladding with a far infrared heater.
    Type: Grant
    Filed: September 29, 1992
    Date of Patent: May 18, 1993
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Katsuhiko Shimada, Tsuneo Takano, Osamu Itamoto, Michisuke Edamatsu, Yasuo Hiromoto
  • Reference voltage generating circuit
    Patent number: 5103158
    Abstract: A reference voltage generating circuit in a CMOS semiconductor integrated circuit comprises a first reference voltage circuit for generating a first reference voltage by means of a MOS transistor having a first channel type, a second reference voltage circuit for generating a second reference voltage by means of a MOS transistor having a second channel type, and a comparator circuit for comparing the first and second reference voltages and feeding back the output corresponding to the result of the comparison, to the first reference voltage circuit to produce a third reference voltage.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: April 7, 1992
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Shizuo Cho, Tsuneo Takano, Masaru Uesugi