This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Dai Tonuma: Driving-Assistance Innovation
Introduction
Dai Tonuma is an inventor associated with Toyota Jidosha Kabushiki Kaisha in Toyota, Japan. His patent work addresses how a vehicle can account for an occupant’s line of sight when detecting and responding to potential hazards.
Latest Patents
The provided information lists 1 patent for Tonuma: “Driving Assistance Device and Driving Assistance Method.” The invention describes a processor that detects obstacles using information about the vehicle’s surroundings and identifies an occupant’s line-of-sight direction. It estimates the occupant’s visible range from that direction and visual-field information, then warns the occupant when an obstacle is outside that range. When an obstacle is within the visible range, the system learns the occupant’s visual-field information based on whether vehicle control is used to avoid a collision.
Career Highlights
Tonuma’s listed patent reflects work on driver-assistance technology that combines environmental sensing, occupant awareness, warnings, and adaptive learning. The supplied information identifies Toyota Jidosha Kabushiki Kaisha as his company.
Collaborations
The provided information names Yudai Sadakuni and Yuko Hiratsuka as Tonuma’s coworkers. Their specific roles in the patent or related work are not specified.
Conclusion
Dai Tonuma’s listed invention focuses on tailoring collision-avoidance assistance to what a vehicle occupant can see, linking hazard detection with occupant awareness and adaptive vehicle support.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile