Patents by Inventor Eisei Aihara

Eisei Aihara 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).

  • Carbon black resin ground composition, carbon black resin composition, and offset printing ink using the same
    Publication number: 20060000385
    Abstract: A carbon black resin ground composition obtainable by adding a printing ink resin that is solid at room temperature to a carbon black which has not undergone oxidation treatment and has a dibutyl phthalate oil absorption amount of 60 to 105 ml/100 g, and then conducting dry grinding, as well as a carbon black resin composition and an offset printing ink obtainable using the same.
    Type: Application
    Filed: June 27, 2005
    Publication date: January 5, 2006
    Applicant: Tokyo Ink Mfg. Co., Ltd.
    Inventors: Eisei Aihara, Shinji Ueno, Hideaki Yamazaki