Patents by Inventor Akemi Kowari

Akemi Kowari 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: 6221548
    Abstract: A toner for making an ink printed-like image, which causes less eyestrain resulting from continuously reading the toner image for a long time, is provided. The toner has main particles and each main particle includes 100 parts by weight of binder resin and 1 to 3 parts by weight of black coloring agent dispersed in the binder resin. A developer using the toner and printed matter obtained by using the toner are also provided.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: April 24, 2001
    Assignee: Kyocera Mita Corporation
    Inventors: Hiroaki Shiba, Tohru Takatsuna, Takayuki Itakura, Mamoru Kato, Masatomi Funato, Akemi Kowari