Patents by Inventor Mithuo Ono

Mithuo Ono 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).

  • Thermosensitive recording material
    Patent number: 4247595
    Abstract: A thermosensitive recording material which is composed of a support and a thermosensitive layer formed thereon, said thermosensitive layer comprising a chromogenic substance, a developing substance and an inorganic filler consisting essentially of hexagonal system thin plate type kaolin, is not only capable of forming an image of high quality but also capable of preventing abrasion of the thermal head.
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: January 27, 1981
    Assignee: Ricoh Co., Ltd.
    Inventors: Minoru Nomura, Susumu Iwata, Mithuo Ono