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.

Date of Patent:
Jun. 23, 2026

Filed:

May. 15, 2023
Applicant:

Panasonic Intellectual Property Corporation of America, Torrance, CA (US);

Inventors:

Nhan Lam Chi Vu, San Jose, CA (US);

Taejin Chun, San Jose, CA (US);

Hai-Anh Trinh, Menlo Park, CA (US);

Timothy Michael Gerard Rozario, El Dorado Hills, CA (US);

Khang An Pham, Palo Alto, CA (US);

Bao Quoc Nguyen, San Jose, CA (US);

Thang Phuc Tran, Roseville, CA (US);

Takashi Ushio, Osaka, JP;

Hajime Tasaki, Osaka, JP;

Tomoyuki Haga, Nara, JP;

Takamitsu Sasaki, Osaka, JP;

An Hoang Bao Mai, Ho Chi Minh, VN;

Zooey Nguyen, Los Altos, CA (US);

Christopher Nguyen, Los Altos, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/123 (2013.01); H04L 63/1416 (2013.01); H04L 63/20 (2013.01);
Abstract

An anomaly detection method for detecting an anomaly in an in-vehicle network of an in-vehicle network system including a plurality of electronic control units that transmit and receive messages via the network includes: generating image data of a reception interval between a plurality of messages included in a message sequence in a predetermined period out of a message sequence received from the in-vehicle network, or image data of a transition of a sensor value of the plurality of messages; classifying the image data using a trained CNN according to whether an attack message has been inserted in the predetermined period; and when the attack message has been inserted in the predetermined period, outputting a detection result indicating that an insertion attack which is an insertion of the attack message has been made in the predetermined period.


Find Patent Forward Citations

Loading…