Patents by Inventor YSUKAZU AYAKI

YSUKAZU AYAKI 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).

  • Publication number: 20020022188
    Abstract: A toner is comprised of a binder resin, a colorant and a wax. The binder resin has a polycarbonate resin in an amount of from 0.1% by weight to 50.0% by weight and a resin other than the polycarbonate resin in an amount of from 50.0% by weight to 99.9% by weight, based on the weight of the binder resin. In molecular weight distribution as measured by gel permeation chromatography of tetrahydrofuran-soluble matter, the toner contains in an amount of 15.0% by weight or less based on the weight of the toner a component which has in its structure a repeating unit of the polycarbonate resin and is contained in components having a molecular weight of 1,000 or less.
    Type: Application
    Filed: September 3, 1998
    Publication date: February 21, 2002
    Inventors: AKIRA HASHIMOTO, TSUTOMU KUKIMOTO, MANABU OHNO, TSUYOSHI TAKIGUCHI, YSUKAZU AYAKI, SATOSHI HANDA, MASANORI ITO, KEIJI KOMOTO