Patents by Inventor Kazuhiko Tashima

Kazuhiko Tashima 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).

  • Image forming apparatus having drive mechanism for photosensitive drum and developing roller
    Patent number: 6125253
    Abstract: A motor pulley for driving a photosensitive drum and a motor gear for driving a developing roller are fixed to a rotating shaft of a motor. The developing roller is provided with a developing roller driving gear which engages with the motor gear, and the photosensitive roller is provided with a photoreceptor driving pulley, to which a driving force from the motor pulley is transmitted.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: September 26, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazuhiko Tashima, Yuzo Kawano, Yoshiaki Ijima, Tetsuo Korenaga