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:
Jan. 20, 2009
Filed:
Sep. 14, 2005
Applicant:
Naoto Kawamura, Corvallis, OR (US);
Inventor:
Naoto Kawamura, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 53/76 (2006.01); G01D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Inkjet printheads capable of printing smaller and larger drop-weight quantities of ink, and methods of manufacturing the inkjet printheads, are disclosed. The inkjet printhead includes a substrate. One or more portions of the substrate may be etched such that the substrate might have different thicknesses. In one example embodiment, an orifice layer can by applied to the substrate that has orifice areas with different orifice thicknesses.
Kawamura, Naoto. (2009). Methods of fabricating fit firing chambers of different drop wights on a single printhead (U.S. Patent No. 7478476). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7478476
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile