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. 08, 2009
Filed:
Dec. 08, 2005
Applicant:
Koji Nishi, Kyoto, JP;
Inventor:
Koji Nishi, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal printhead (A) includes a substrate (), and a plurality of heating portions () aligned on the substrate in a primary scanning direction (X) . A plurality of electrodes () are connected to the heating portions (). Each of the heating portions () has a width in the primary scanning direction (X) which is smaller than that of each of the electrodes (). Each of the electrodes () includes a tapered portion (C,C,C) having a width which reduces as progressing toward a corresponding one of the heating portions