Patents by Inventor Youji Aritomi

Youji Aritomi 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: 5254448
    Abstract: Disclosed is a silver halide photographic light-sensitive material that comprises a support having thereon a conductive layer containing a water-soluble polymer or a metal oxide and a photographic component layer having at least one surface active agent containing a fluorine compound. The silver halide photographic light-sensitive material according to this invention does not cause any deterioration of antistatic properties even after photographic processing, also does not cause any faulty transport even when used in the automatic transport apparatus comprising a transport path having a surface coated with Teflon, and not tends to cause flaws even after raw stock.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: October 19, 1993
    Assignee: Konica Corporation
    Inventors: Taketoshi Yamada, Yasuhiko Takamuki, Youji Aritomi