Patents by Inventor Takanori Yamoshi

Takanori Yamoshi 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: 20040034130
    Abstract: An aromatic polycarbonate composition which is suitable for use in the production of an optical molded article such as an optical disk or lens and has excellent heat stability and releasability at the time of molding. This composition comprises 100 parts by weight of an aromatic polycarbonate obtained by reacting an aromatic dihydroxy compound with a carbonic acid diester in the presence of at least one ester exchange catalyst selected from the group consisting of an alkali metal compound and an alkali earth metal compound, 0.0001 to 0.3 part by weight of an epoxy compound and 0.015 to 0.3 part by weight of an aromatic compound having at least four benzene rings in the molecule.
    Type: Application
    Filed: June 2, 2003
    Publication date: February 19, 2004
    Inventors: Yuichi Kageyama, Masumi Hirata, Takanori Yamoshi, Wataru Funakoshi, Katsushi Sasaki