This inventor holds 10 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Kokusan Kinzoku Kogyo Co., Ltd., Kokusan Kinzoku Kogyo Kabushiki Kaisha. Active years: 1983-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1983 - 1987)
- Tokyo, JP (1984 - 1987)
- Fujisawa, JP (1989)
Company Filing History:

Years Active: 1983-1989
Title: Hirotoshi Namazue: Innovator in Vehicle Security Technology
Introduction
Hirotoshi Namazue, an innovative inventor based in Yokohama, Japan, has made significant contributions to the field of vehicle security technology. With a remarkable portfolio of 10 patents, his pioneering work focuses primarily on anti-theft devices that enhance the safety and security of automobiles.
Latest Patents
Among his latest innovations is a car anti-theft device, which features a combination of a mechanical key of the reversible type and a steering shaft designed for locking and unlocking a key cylinder. This device is equipped with a stationary housing and a rotatable rotor, significantly improving vehicle security. The key contains electrical contacts arranged on opposite surfaces, which activate an illuminator control circuit that delivers a specific code signal upon energization. It also includes illuminator elements positioned laterally, enhancing the visibility and functionality of the key while preventing unauthorized access.
Another significant creation is the vehicle enabling lock system, controlled by a wireless signal. This advanced system includes a vehicle-side main controller and an external controller formed into a card, allowing for two-way communication between the controllers via wireless signals. Connected to this setup is a vehicle-side lock controller, which communicates with the main controller through signal-conveyable conductors, ultimately serving to reinforce theft prevention through an integrated steering lock mechanism.
Career Highlights
Throughout his career, Hirotoshi has worked with esteemed companies such as Nissan Motor Company Limited and Kokusan Kinzoku Kogyo Co., Ltd. His tenure at these organizations has allowed him to refine his expertise and develop cutting-edge solutions for automotive security.
Collaborations
Hirotoshi collaborated with talented coworkers, including Haruo Mochida and Keiichi Shimizu. These partnerships have been instrumental in fostering creativity and driving forward innovative projects that address the growing concerns surrounding vehicle theft.
Conclusion
Hirotoshi Namazue showcases the power of innovation in the automotive industry. Through his inventive spirit and experienced collaborations, he has paved the way for new security technologies that protect vehicles from theft and enhance the overall safety of drivers. His legacy as an inventor will inspire future developments in vehicle security systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile