Patents by Inventor Masaki Tauchi

Masaki Tauchi 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).

  • Audible traffic signal for visually impaired persons using multiple sound outputs
    Patent number: 6127943
    Abstract: An audible traffic signal adding apparatus for visually impaired persons includes two speakers and a control section. The two speakers are disposed at two ends of a crosswalk. The control section navigates a visually impaired person crossing the crosswalk by alternately outputting different sounds as in "back and forth call" operation from the two speakers disposed at the two ends of the crosswalk to the visually impaired person for a period during which crossing is permitted.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 3, 2000
    Assignee: Koito Industries, Ltd.
    Inventors: Masaki Tauchi, Hajime Sawai, Jinro Takato, Takashi Yoshiura, Shinichi Takahara, Toru Suzuki