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:
Feb. 03, 2005
Applicant:
Masako Tanaka, Okaya, JP;
Inventor:
Masako Tanaka, Okaya, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
Aspects of the invention provide piezoelectric resonator element having a plurality of grooves for suppressing propagation of the thickness shear vibration from the center portion to the outer peripheral portion of the main surface being placed in enclosure-like shapes surrounding the center portion of at least one of the main surfaces.