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. 12, 2002
Filed:
May. 27, 1999
Applicant:
Inventors:
Akihito Okuda, Hikone, JP;
Akinobu Takamura, Yokaichi, JP;
Masataka Kida, Omihachiman, JP;
Yoshiaki Kohno, Moriyama, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/1187 ;
U.S. Cl.
CPC ...
H01L 4/1187 ;
Abstract
A piezoelectric ceramic comprising lead titanate as a primary component, wherein the primary component contains a titanium oxide crystalline phase. Methods for producing the ceramic, and piezoelectric oscillators making use of the ceramic are also disclosed.