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For the Inventor, By the Inventor

Tokyo, Japan

Nobuyuki Tozawa

This inventor holds 4 USPTO granted patents and 9 published patent applications. Top assignee: Nec Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Tozawa. Retrieved from https://idiyas.com/inventor/nobuyuki-tozawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:

goldMedal4 out of 36,684 
 
Nec Corporation
 patents

Years Active: 2025-2026

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4 patents (USPTO):Explore Patents
1. 12705977 - Signal control system, apparatus, method, and computer-readable medium (2026-08-11),
2. 12670786 - Introduction support apparatus of pedestrian-vehicle separated signal control, introduction support method, and non-transitory computer readable medium storing program (2026-06-30),
3. 12482351 - Signal control apparatus, signal control method and program (2025-11-25),
4. 12475783 - Signal control system, signal control method, and program recording medium (2025-11-18),

Title: Nobuyuki Tozawa: Innovator in Traffic Signal Control Technology

Introduction

Nobuyuki Tozawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of traffic signal control technology. With a total of 4 patents, Tozawa's work focuses on improving traffic management systems to enhance road safety and efficiency.

Latest Patents

Tozawa's latest patents include a "Signal Control Apparatus, Signal Control Method and Program." This invention is designed to connect to multiple traffic signals located at various intersections. The apparatus detects the number of vehicles in designated travel lanes and determines whether to extend or reduce signaling time based on this data. Another notable patent is the "Signal Control System, Signal Control Method, and Program Recording Medium." This system utilizes a camera to acquire images of the road and assesses passability based on abnormalities detected in the images. It also controls traffic signals to prevent congestion in closed sections of the road.

Career Highlights

Nobuyuki Tozawa is currently employed at NEC Corporation, a leading technology company in Japan. His work at NEC has allowed him to develop innovative solutions that address real-world traffic challenges.

Collaborations

Tozawa collaborates with talented individuals such as Atsushi Matsuda and Kei Yanagisawa. Their combined expertise contributes to the advancement of traffic signal control technologies.

Conclusion

Nobuyuki Tozawa's inventions in traffic signal control systems demonstrate his commitment to enhancing urban mobility and safety. His contributions are vital in shaping the future of traffic management.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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