Electronic key registration method and electronic key registration system

US9509499B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9509499-B2
Application numberUS-201314373240-A
CountryUS
Kind codeB2
Filing dateJan 18, 2013
Priority dateJan 31, 2012
Publication dateNov 29, 2016
Grant dateNov 29, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A method for registering a first electronic key, which is capable of controlling a communication subject, to a controller of the communication subject, the method including: performing an initial production process including storing identification information unique to the communication subject in the controller, and storing an encryption key generation code unique to the first electronic key and an encryption key that is used to verify the first electronic key in the first electronic key; and performing an initial registration process including writing the identification information stored in the controller to the first electronic key, obtaining the encryption key generation code from the first electronic key, generating the encryption key with an encryption key generation logic that uses the encryption key generation code, storing the encryption key in the controller, and storing encryption key information related to the encryption key in a database in association with the identification information.

First claim

Opening claim text (preview).

The invention claimed is: 1. An electronic key registration method for registering a first electronic key, which is capable of controlling a vehicle, to a controller of the vehicle, the electronic key registration method comprising: performing an initial production process including storing identification information unique to the vehicle in the controller, and storing, in the first electronic key, an encryption key generation code unique to the first electronic key and an encr…

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Frequently asked questions

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What does patent US9509499B2 cover?
A method for registering a first electronic key, which is capable of controlling a communication subject, to a controller of the communication subject, the method including: performing an initial production process including storing identification information unique to the communication subject in the controller, and storing an encryption key generation code unique to the first electronic key a…
Who is the assignee on this patent?
Tokai Rika Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04L9/0866. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).