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:
Dec. 18, 2007
Filed:
Nov. 29, 2006
Katsumi Aoki, Yokohama, JP;
Kenichi Takeda, Yokohama, JP;
Toshihiro Ifuku, Yokohama, JP;
Takanori Matsuda, Tokyo, JP;
Hiroshi Funakubo, Yokohama, JP;
Shintaro Yokoyama, Yokohama, JP;
Satoshi Okamoto, Yokohama, JP;
Katsumi Aoki, Yokohama, JP;
Kenichi Takeda, Yokohama, JP;
Toshihiro Ifuku, Yokohama, JP;
Takanori Matsuda, Tokyo, JP;
Hiroshi Funakubo, Yokohama, JP;
Shintaro Yokoyama, Yokohama, JP;
Satoshi Okamoto, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Tokyo Institute of Technology, Tokyo, JP;
Abstract
A piezoelectric device includes a piezoelectric member and a pair of electrodes, and for piezoelectric constants dand dof the piezoelectric member, the following relational expression (I) is established:0.1≦||≦1.8.   (I)