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:
Sep. 28, 2010
Filed:
Oct. 30, 2007
Applicants:
Yoshiki Murayama, Anpachi-gun, JP;
Naoteru Matsubara, Ichinomiya, JP;
Inventors:
Yoshiki Murayama, Anpachi-gun, JP;
Naoteru Matsubara, Ichinomiya, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 13/02 (2006.01); H01L 23/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electret device includes an electret film capable of storing charges and a charge outflow inhibition film formed on an upper surface of a region having a high charge density in the electret film and inhibiting the charges stored in the electret film from flowing out.
Murayama, Yoshiki. (2010). Electret device and electrostatic operating apparatus (U.S. Patent No. 7804205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7804205
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile