Patents by Inventor Tomonobu Yoshifuji

Tomonobu Yoshifuji 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 device
    Patent number: 6488424
    Abstract: A second passage 20 is arranged on a side opposite to a discharge port 16 relative to a first passage 18. Additionally, an intercepting member 24 is provided which intercepts the communication between the first passage 18 and the insertion port 14 and allows the insertion port 64 to communicate only with the second passage 20, at a portion of the first passage 18 near the insertion port 14, whereby the intercepting member 24 intercepts the communication between the first passage and the insertion port 14 at a prescribed timing.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: December 3, 2002
    Assignee: Copyer Co., Ltd.
    Inventor: Tomonobu Yoshifuji