Electronic key registration system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9137658
APP PUB NO 20130329890A1
SERIAL NO

13903342

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An offline immobilizer ECU reads an encryption key generation code from an offline additional electronic key and generates an electronic key encryption key for the offline additional electronic key using the encryption key generation code and a communication subject key encryption key held by the immobilizer ECU. The immobilizer ECU stores, in a memory, the generated electronic key encryption key and a key ID code that is read from the offline additional electronic key.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Egawa, Tetsuya Aichi, JP 30 216
Hayashi, Masaki Aichi, JP 309 3528
Iwashita, Hiroaki Aichi, JP 65 706
Kato, Hisashi Aichi, JP 106 786
Kawamura, Daisuke Aichi, JP 111 1091
Nagae, Toshihiro Aichi, JP 22 400

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