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:
May. 19, 2026
Filed:
May. 05, 2023
Applicants:
Ishifuku Metal Industry Co., Ltd., Tokyo, JP;
Denso Corporation, Kariya, JP;
Inventors:
Kenta Terai, Soka, JP;
Shunsuke Takeya, Soka, JP;
Hayato Yasuhara, Soka, JP;
Akihiro Shibata, Soka, JP;
Ryohei Akiyoshi, Kariya, JP;
Yuji Kaji, Kariya, JP;
Assignees:
ISHIFUKU METAL INDUSTRY CO., LTD., Tokyo, JP;
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 5/04 (2006.01);
U.S. Cl.
CPC ...
C22C 5/04 (2013.01);
Abstract
Provided is a heat-resistant Ir alloy, which is further improved in Vickers hardness while maintaining satisfactory processability. Specifically, provided is a heat-resistant Ir alloy, including: 5 mass % to 30 mass % of Pt; 0.5 mass % to 5 mass % of Ta; and 0.003 mass % to 0.15 mass % of at least one kind selected from the group consisting of: Sc; Hf; and W, with the balance being Ir.