Patents by Inventor Mitsuyo Takano

Mitsuyo Takano 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).

  • Electrophotographic photoreceptor
    Patent number: 6280893
    Abstract: Electrophotographic photoreceptors for use in photocopiers and laser printers, among other things, possessing high electron mobility and superior photosensitivity properties. The photoreceptors of the invention utilize a photosensitive layer with a carrier transport material containing a compound which exhibits high molecular vibration. The compounds of the invention are electron transfer agents which can be dispersed in a photosensitive layer at a high concentration and can be molecularly designed to have a desired magnitude of molecular vibration.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: August 28, 2001
    Assignees: Shindengen Electric Manufacturing Co., Ltd., Yamanashi Electronics Co., Ltd.
    Inventors: Mitsuyo Takano, Hiroki Suzuki