Patents by Inventor Iakuya Nakamura

Iakuya Nakamura 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).

  • Voltage detector
    Patent number: 4962353
    Abstract: A voltage detector with an optical modulator comprising a pulse light source for outputting light pulses, a pulse train generator for generating a light pulse train having a pulse interval with the aid of light pulses provided by the pulse light source and for applying the light pulse train to an optical modulator, and a detector for detecting the optical intensities of light pulses forming the light pulse train which are modulated by the optical modulator with a voltage waveform to be detected.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: October 9, 1990
    Assignee: Hamamatsu Photonics Kabushiki Kaisha
    Inventors: Hironori Takahashi, Shinichiro Aoshima, Iakuya Nakamura, Yutaka Tsuchiya