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:
Aug. 26, 2003
Filed:
Jan. 24, 1997
Applicant:
Inventors:
Tsutomu Hashizume, Nagano, JP;
Tetsushi Takahashi, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 ;
U.S. Cl.
CPC ...
B41J 2/045 ;
Abstract
An ink jet recording head comprising: a nozzle orifice for jetting ink; an ink chamber communicating with the nozzle; a diaphragm for pressurizing ink in the ink chamber; a piezoelectric thin film on the diaphragm; and an electrode for the piezoelectric thin film wherein the piezoelectric thin film and the electrode are patterned to the same shape.
Hashizume, Tsutomu. (2003). Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween (U.S. Patent No. 6609785). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6609785
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile