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. 27, 2026
Filed:
Mar. 24, 2021
Niterra Materials Co., Ltd., Yokohama, JP;
Takahiro Kawamoto, Kanagawa, JP;
Tomoko Eguchi, Kanagawa, JP;
Tomohiro Yamashita, Kanagawa, JP;
Masaya Hagiwara, Kanagawa, JP;
Akiko Saito, Kanagawa, JP;
Daichi Usui, Kanagawa, JP;
Niterra Materials Co., Ltd., Yokohama, JP;
Abstract
A cold storage material, which has a large specific heat and a small magnetization in an extremely low temperature region and has satisfactory manufacturability, is provided, and a method for manufacturing the same is provided. Further, a refrigerator having high efficiency and excellent cooling performance is provided by filling this refrigerator with the above-described cold storage material. Moreover, a device incorporating a superconducting coil capable of reducing influence of magnetic noise derived from a cold storage material is provided. The cold storage material of embodiments is a granular body composed of an intermetallic compound in which the ThCrSi-type structureoccupies 80% by volume or more, and has a crystallite size of 70 nm or less.