Patents by Inventor Kiyotsugu Takasawa

Kiyotsugu Takasawa 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: 6029035
    Abstract: An electrostatic recorder includes electrostatic latent image recorder elements for forming an electrostatic latent image on a recording medium conveyed at a predetermined speed, a liquid toner feed for feeding a toner to a surface of the recording medium on which an electrostatic image is formed, and a toner recoverer for recovering an excess of toner stuck to the recording medium. The toner recoverer can execute the recovery of an excess of toner not only by suction but also by scraping from the recording medium prior to this suction. Members for eliminating the mixing of foreign matters into the feed side in conjunction with the recovered toner are also provided.
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: February 22, 2000
    Assignee: Nippon Steel Corporation
    Inventors: Yoshinori Akichika, Toshitatsu Kawatsu, Kiyotsugu Takasawa, Fumito Komatsu