Patents by Inventor Ryutoku Yosomiya

Ryutoku Yosomiya 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).

  • Ammonia sensor
    Patent number: 5252292
    Abstract: An ammonia sensor consisting of at least one pair of electrodes and an ammonia-sensing material comprising a polyaniline filling the space between the electrodes.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: October 12, 1993
    Inventors: Mitsutoshi Hirata, Ryutoku Yosomiya, Soichiro Takenishi
  • Method of producing polymer article having metallized surface
    Patent number: 5183611
    Abstract: A method of producing a polymer article having a metallized surface, which comprises dissolving a polymer and a metal salt in a common solvent, forming a polymer article containing the metal salt dispersed therein from the solution, and then treating the article with a reducing agent.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: February 2, 1993
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Ryutoku Yosomiya, Mistutoshi Hirata, Kiyotaka Morimoto, Soichiro Takenishi, Toshinori Marutsuka