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. 27, 2007
Filed:
Nov. 07, 2005
Tatsuya Nishimura, Sakura, JP;
Toshiaki Kasai, Sakura, JP;
Yuuitsu Sakuraba, Sakura, JP;
Nobumasa Misaki, Sakura, JP;
Tatsuya Nishimura, Sakura, JP;
Toshiaki Kasai, Sakura, JP;
Yuuitsu Sakuraba, Sakura, JP;
Nobumasa Misaki, Sakura, JP;
Fujikura Ltd., Tokyo, JP;
Abstract
A dome-shaped diaphragm includes a convex portion; a base portion provided on an outer periphery of the convex portion; and a pressing force reducing portion provided in at least one of the convex portion and the base portion. Examples of the pressing force reducing portion may be a hole portion, a reduced thickness portion or any other feature that reduces the pressing force.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile