Patents by Inventor Yasuko Osano

Yasuko Osano 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).

  • Dihydroxysilicon compound and electrophotographic photoreceptor containing the compound
    Patent number: 6057071
    Abstract: An electrophotographic photoreceptor which is excellent in sensitivity, durability and environmental capability comprises a photosensitive layer containing dihydroxysilicon phthalocyanine which is monoclinic and has lattice constants a=12.8.+-.1.ANG., b=14.5.+-.1.ANG., c=6.8.+-.1.ANG. and .beta.=94.4.+-.1.degree..
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: May 2, 2000
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Toyoshi Ohashi, Yasuko Osano, Yuko Kojima, Ichiro Yokotake, Hitoshi Ono, Yuka Nagao, Masatomi Ozawa