Tokyo, Japan

Tetsuto Kageyama

This inventor holds 1 USPTO granted patent. Top assignee: Copal Company Limited. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuto Kageyama. Retrieved from https://idiyas.com/inventor/tetsuto-kageyama-r4396mw4

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Innovations by Tetsuto Kageyama: A Pioneer in Torque Sensor Technology

Introduction: Tetsuto Kageyama is an inventive mind based in Tokyo, Japan, recognized for his contributions to automotive technology through his innovative patent in torque sensing. With a keen focus on improving vehicle performance and safety, Kageyama has made significant strides in the development of vehicle steering systems.

Latest Patents: Kageyama's most notable patent is a Torque Sensor designed for detecting torsion in power steering devices or similar mechanisms within vehicles. This invention features a first shaft that rotates within a casing, with a permanent magnet attached. It includes a second shaft, a connecting shaft, and a magnetic core, all strategically engineered to detect changes in magnetic flux caused by the relative motion of the components. The torque sensor efficiently monitors the variation in position and displacement of both shafts, enhancing the vehicle's responsiveness and control.

Career Highlights: Tetsuto Kageyama is associated with Copal Company Limited, a firm dedicated to advancing technologies in various industries. His role at Copal has allowed him to leverage his expertise in mechanical engineering and innovation, leading to the development of impactful inventions like the torque sensor.

Collaborations: Throughout his career, Kageyama has worked alongside talented colleagues such as Jun Matsushima and Shigekazu Nakamura. Their collaborative efforts have contributed to a dynamic work environment, where innovative ideas can flourish and lead to groundbreaking advancements in technology.

Conclusion: Tetsuto Kageyama stands as a testament to the impact of innovation in the automotive sector. His torque sensor patent is just one example of how engineering ingenuity can enhance vehicle safety and performance. As the industry continues to evolve, Kageyama's work will undoubtedly inspire future innovations in vehicle technology.

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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