Patents by Inventor Kikumi Nakamichi

Kikumi Nakamichi 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).

  • Polyester resin for use in toner binder and process for producing the same
    Patent number: 5789527
    Abstract: Provided are a polyester resin for use in a toner binder which is excellent in terms of offset resistance and low-temperature fixability, which keeps triboelectric charge stability even in an environment of a high temperature and a high humidity, which has excellent durability, and which is used in a toner that gives vivid image characteristics, a process for producing the same, and a toner using the same. The polyester resin for use in the toner binder is formed by linking at least a part of the crosslinked low-molecular polyesters through a dicarboxylic acid used as a linking agent.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: August 4, 1998
    Assignees: Tomoegawa Paper Co., Ltd., Unitika, Ltd.
    Inventors: Kikumi Nakamichi, Kouta Tanahashi, Tomoko Kubota, Naomi Sasaki, Hideki Kurebayashi, Haruo Okutani, Kazue Nakadera