Patents by Inventor Takanori Naoe

Takanori Naoe 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).

  • Ethylene/aromatic vinyl copolymer and molded product thereof
    Patent number: 6410673
    Abstract: An ethylene-aromatic vinyl compound copolymer characterized by satisfying the following conditions: (1) the aromatic vinyl compound content is from 0.5 mol % to 10 mol %; (2) as measured with respect to a molded product having a thickness of 0.2 mm, the haze is at most 14%, or the total light transmittance is at least 90%; (3) an ethylene-aromatic vinyl compound copolymer characterized in that the relation of the aromatic vinyl compound content and the glass transition point (Tg) obtained by an inflection point method as observed at a temperature of at least −50° C. by a differential scanning calorimeter (DSC), satisfies the following formula (1): −20+1.00St>Tg>−30+1.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: June 25, 2002
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Toru Arai, Masataka Nakajima, Toshiaki Otsu, Takeshi Oda, Takanori Naoe, Yukiko Nishitoba