How Vehicles Send Data Without Revealing Who Is Driving
A system that separates a driver's personal identity from vehicle performance data by sending them to a server in separate, disconnected communication sessions.
Patent Number
US RE48406
Status
Active
Filing Date
November 12, 2013
Grant Date
January 26, 2021
Expiration
~November 2033 (estimated)
Claims
31
Assignee
Mitsubishi Heavy Industries Machinery Systems Co Ltd
Inventors
Yoshihiro Mabuchi, Junichi HYODO, Ryota Hiura
Citations
0 forward · 30 backward
What it covers
This system protects driver privacy by splitting vehicle data into two distinct streams. The first stream contains personal identification information (like a driver ID), while the second stream contains vehicle performance data (like speed or engine status) paired with an anonymous identifier. The system forces these streams into separate network sessions, ensuring the server handles them independently. By disconnecting the session after sending performance data and only sending personal data when necessary, the system prevents the server from easily linking a specific driver to every single moment of vehicle activity.
What it doesn't cover
- —Does not cover systems that encrypt data within a single session without separating the transmission.
- —Does not cover methods that use a single, persistent connection to send all data types simultaneously.
- —Does not cover data collection that does not involve an individual identification component.
The clever bit
The invention uses the act of disconnecting and reconnecting network sessions as a privacy barrier, making it harder for a server to correlate anonymous performance logs with personal identity logs in a single database query.
Why it matters
As vehicles become rolling computers, they generate massive amounts of data about where we go and how we drive. This patent addresses the privacy tension between needing performance data for fleet management and protecting the individual driver's identity from being tracked in real-time.
Real-world examples
- 1.Fleet management systems for commercial trucks
- 2.Usage-based insurance telematics
- 3.Connected vehicle diagnostic platforms
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US RE48406 · 2026