Tokyo, Japan

Takehisa Ishihara

This inventor holds 3 USPTO granted patents. Top assignees: The Furukawa Electric Co., Ltd., Furukawa Co., Ltd.. Active years: 2005-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takehisa Ishihara. Retrieved from https://idiyas.com/inventor/takehisa-ishihara-z9tq2kcd

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

Calculating rank

% Patents Active = 33.3

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2005-2007

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3 patents (USPTO):Explore Patents

Title: Takehisa Ishihara: Innovator in Rotation Sensors

Introduction

Takehisa Ishihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of rotation sensors, holding a total of 3 patents. His work focuses on enhancing the precision and efficiency of rotary connectors and sensors used in various applications.

Latest Patents

One of his latest patents is the Rotation-Sensored Rotary Connector. This innovative device includes a rotary connector that electrically connects an electrical component installed on a steering to a vehicle-body side. It features a rotation sensor that detects the rotational angle of the steering. The rotation sensor is designed with a rotor that is directly mounted on the steering shaft, allowing for precise detection of the steering's rotational angle.

Another significant patent is the Rotation Sensor itself. This sensor includes a rotor mounted to a rotating shaft, equipped with a conductive sensing unit whose width varies in the circumferential direction. The stationary cores, each containing an exciting coil, form a magnetic circuit with the sensing unit of the rotor. This design enhances the sensor's mountability, reduces costs, and improves detection accuracy over a wider range.

Career Highlights

Takehisa Ishihara has worked with prominent companies such as Furukawa Electric Co., Ltd. and Furukawa Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies in the field of rotation sensors.

Collaborations

Throughout his career, Ishihara has collaborated with talented individuals, including Tomotaka Watanabe and Fumihiko Abe. These collaborations have fostered innovation and the development of cutting-edge technologies.

Conclusion

Takehisa Ishihara is a distinguished inventor whose work in rotation sensors has made a significant impact in the industry. His innovative patents and collaborations highlight his commitment to advancing technology and improving precision in various applications.

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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