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:
Jun. 16, 2026
Filed:
Dec. 14, 2021
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Naijie Li, Haidian Dist, CN;
Jing Lu, Beijing, CN;
Ming Ran Liu, Beijing, CN;
Xiao Yan Tang, Beijing, CN;
Yuan Zhai, Beijing, CN;
Guang Han Sui, Beijing, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/54 (2013.01);
U.S. Cl.
CPC ...
G06F 21/54 (2013.01); G06F 2221/033 (2013.01);
Abstract
A first memory page in a memory of the computer is allocated as a first stack to buffer meta data for function calls in the program. A memory protection key for the first memory page is generated. A second memory page in the memory is allocated as a second stack to buffer user data for function calls in the program.
Li, Naijie. (2026). Protection of call stack (U.S. Patent No. 12657288). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12657288
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile