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. 10, 1982
Filed:
Mar. 19, 1981
Applicant:
Inventors:
Masao Mitani, Yokahoma, JP;
Toyoji Tsunoda, Yokahoma, JP;
Tsuneyoshi Kawahito, Yokahoma, JP;
Tsuneaki Kamei, Kanagawa, JP;
Akira Yabushita, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219216 ; 219543 ; 338309 ; 346 / ;
Abstract
A thermal printhead comprising a substrate, heat generating thin film resistor bodies formed on the substrate and electric conductors for supplying the heat generating thin film resistor bodies with electric power, characterized in that the heat generating thin film resistor bodies are made of a Cr-Si alloy subjected to a stabilization aging heat treatment.
Mitani, Masao. (1982). Thermal printhead (U.S. Patent No. 4343986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4343986
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile