Patents by Inventor Katumi Kumada

Katumi Kumada 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 image forming system
    Publication number: 20020025201
    Abstract: In order to provide an electrophotographic image forming system characterized by a mechanism of stabilizing the behavior of the tip of the form when the form with unfused colored particles (toner) deposited thereon is fed to the fusing device, the present invention has a form posture correcting protrusion provided on the non-printing area of the surface of the form with unfused colored particles (toner) deposited thereon inside the feed path of the form with unfused colored particles (toner) deposited thereon, so that form behavior can be controlled when the form is fed to the fusing device. Furthermore, the present invention has a form guide provided on the form ejection side of the fusing device to control the behavior of the form moving in the direction of being wound on the fusing roller.
    Type: Application
    Filed: March 9, 2001
    Publication date: February 28, 2002
    Inventors: Yoshio Ohuchi, Kazuhiro Wakamatsu, Hisao Suka, Katumi Kumada, Chikara Hiraoka, Shizuo Tsuruta, Yoshitaro Ishii, Akira Sasaki, Masahiko Saito, Seiji Okunomiya, Tetsunori Kaneko, Masashi Yamamoto