The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2016
Filed:
Sep. 17, 2010
Hiroshi Koike, Ibaraki, JP;
Seiichiro Iida, Ibaraki, JP;
Hidekazu Kodama, Tokyo, JP;
Yoshinobu Yasuno, Tokyo, JP;
Eiichi Fukada, Tokyo, JP;
Hiroshi Koike, Ibaraki, JP;
Seiichiro Iida, Ibaraki, JP;
Hidekazu Kodama, Tokyo, JP;
Yoshinobu Yasuno, Tokyo, JP;
Eiichi Fukada, Tokyo, JP;
YUPO CORPORATION, Tokyo, JP;
Abstract
An energy conversion film, which can hold a larger amount of charges by pores in the inside of the film and has high energy conversion performances, is provided, by obtaining a porous resin film with a high expansion ratio without adopting an expansion treatment with a high-pressure gas by forming a thermoplastic resin stretched film having a specified structure. The energy conversion film includes a core layer (A) having specified pores and composed of a thermoplastic resin stretched film including a thermoplastic resin and at least one of an inorganic powder and an organic filler.