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:
Nov. 02, 2010
Filed:
Apr. 25, 2008
Applicants:
Naoteru Matsubara, Ichinomiya, JP;
Yoshiki Murayama, Hirakata, JP;
Yoshinori Shishida, Yoro-gun, JP;
Hitoshi Hirano, Nishinomiya, JP;
Inventors:
Naoteru Matsubara, Ichinomiya, JP;
Yoshiki Murayama, Hirakata, JP;
Yoshinori Shishida, Yoro-gun, JP;
Hitoshi Hirano, Nishinomiya, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electret device includes an electret film capable of storing charges and a protective film formed so as to substantially surround a side end surface of the electret film.
Matsubara, Naoteru. (2010). Electret device and electrostatic operating apparatus (U.S. Patent No. 7825547). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7825547
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile