Patents by Inventor Senyu Taira

Senyu Taira 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).

  • Single component toner comprising specified polyester
    Patent number: 5958641
    Abstract: This invention relates to a single component toner comprising specified polyester resins as binder resin and used in single-component developing system in which toner particles are electrically charged when passing through the opening between a toner-levelling member and a toner-transporting member positioned against a photosensitive member.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: September 28, 1999
    Assignee: Minolta Co., Ltd.
    Inventors: Tetsuo Sano, Hiroyuki Fukuda, Chikara Tsutsui, Choichiro Tanigawa, Senyu Taira, Mikihiko Sukeno