Patents by Inventor Kaoru Shinpo

Kaoru Shinpo 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).

  • Patent number: 5939088
    Abstract: The present invention is composed of required component capable of changing in color with which a daily product and so on are impregnated, painted or printed, such daily product is convenient in daily life by indicating a contact between the required component and urine and so on.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: August 17, 1999
    Assignee: Daiki Co., Ltd.
    Inventors: Hiroshi Ito, Kaoru Shinpo, Yasuharu Kiritani
  • Patent number: 5814327
    Abstract: Since the present invention is composed of required component capable of changing in color with which a daily product and so on are impregnated, painted or printed, such daily product is convenient in daily life by indicating a contact between the required component and urine and so on.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: September 29, 1998
    Assignee: Daiki Co., Ltd.
    Inventors: Hiroshi Ito, Kaoru Shinpo, Yasuharu Kiritani
  • Patent number: 5595754
    Abstract: Since the present invention is composed of required component capable of changing in color with which a daily product and so on are impregnated, painted or printed, such daily product is convenient in daily life by indicating a contact between the required component and urine and so on.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: January 21, 1997
    Assignee: Daiki Co., Ltd.
    Inventors: Hiroshi Ito, Kaoru Shinpo, Yasuharu Kiritani