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. 20, 2025
Filed:
Apr. 05, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Masahiko Ishii, Okazaki, JP;
Hidetaka Asano, Nisshin, JP;
Akiko Tamura, Nisshin, JP;
Koji Hetsugi, Toyota, JP;
Ryota Suzuki, Ikeda, JP;
Keiichi Koga, Narashino, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
An information management system includes information management apparatuses belonging to A to D companies, respectively, and a platform provider. When a new chemical substance is added as a result of revision of laws and regulations etc. to chemical substances designated under the laws and regulations, the platform provider updates a restriction list and transmits transaction data that proposes update of restriction lists in distributed ledgers to the information management apparatuses. Each of the information management apparatuses approves the transaction data and updates the restriction list thereof. Each of the information management apparatuses discloses information on a chemical substance included in the updated restriction list to an information management apparatus in a downstream company.