Patents by Inventor Hirosho Otsu

Hirosho Otsu 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).

  • Multiple-color recording apparatus
    Patent number: 4433338
    Abstract: A multiple color recording apparatus records on a sheet of recording paper, the magnitudes of a plurality of varying analog signals as a pattern of dots in different colors, and also records characters, symbols and the like related to the analog recording as a pattern of dots in desired colors.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: February 21, 1984
    Assignee: Yokogawa Hokushin Electric Corporation
    Inventors: Shuichi Nakagawa, Sadao Tamura, Setsuo Satoh, Mamoru Sanagi, Hirosho Otsu, Shigenobu Miyamoto, Hiroyuki Takahashi