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:
Mar. 22, 2022
Filed:
Jun. 22, 2020
Rohm Co., Ltd., Kyoto, JP;
Goro Nakatani, Kyoto, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
A thermal print head includes a substrate; a protrusion formed on an obverse surface of the substrate and extending in a main scanning direction; heat generating parts disposed on a top surface of the protrusion and arranged along the main scanning direction; and columnar heat storage members embedded in the protrusion and disposed in a given area having a width in a sub-scanning direction and being elongated in the main scanning direction. Each of the columnar heat storage members is elongated in a thickness direction of the substrate and has an upper end and a lower end, with the upper end being disposed at the same level of the top surface of the protrusion.