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:
Apr. 30, 2024
Filed:
Jan. 24, 2022
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Yuji Unagami, Osaka, JP;
Junji Michiyama, Fukuoka, JP;
Junichiro Soeda, Nara, JP;
Naohisa Nishida, Osaka, JP;
Yuuki Hirose, Osaka, JP;
Tetsuji Fuchikami, Osaka, JP;
Motoji Ohmori, Osaka, JP;
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA, Torrance, CA (US);
Abstract
A control method includes: receiving first information pertaining to a first contract from a first terminal used by a first user who is one of two parties who have agreed to the first contract; when consent of a party aside from the two parties is required to validate the first contract, identifying a second user as the party aside from the two parties with reference to a ledger storing information pertaining to a past contract, and transmitting the first information to a second terminal operated by the second user; obtaining second information in which a confirmation result indicating whether the second user consents to the first contract and a digital signature of the second user are added to the first information; and confirming the second information, and when the confirmation result indicates consent, setting the first contract as a valid contract and storing the second information in the ledger.