Patents by Inventor Tuneo Daidoji

Tuneo Daidoji 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).

  • Process for transfer of a toner image utilizing a magnetic toner containing a binder resin and having gradual softening characteristics
    Patent number: 4675268
    Abstract: This invention relates to a magnetic toner (3b) composed mainly of a magnetic material and a binder resin, in which the difference between the softening point and the softening initiation temperature of said magnetic toner (3b) is made 5.degree. C. or more to provide a magnetic toner (3b) which is suitable for pressing transfer, particularly pressing transfer by use of an intermediate transfer member and capable of giving stable running characteristics without causing off-set phenomenon according to a conventional developing system without use of no special developing system and regardless of the photosensitive member employed as well as good image quality on a plain paper.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: June 23, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Ken-ichi Kishi, Kenzi Tuzita, Tuneo Daidoji, Yuki Okuyama, Kiyoshi Kimura