Saitama, Japan

Toru Tsunekawa

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Wacom Co., Ltd., Wacom Corporation Limited. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Tsunekawa. Retrieved from https://idiyas.com/inventor/toru-tsunekawa-9tk3yzq4

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: The Innovations of Toru Tsunekawa

Introduction

Toru Tsunekawa is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electronic devices, particularly with his innovative designs. His work has led to the development of a unique electronic pen that enhances user experience and functionality.

Latest Patents

Tsunekawa holds a patent for an electronic pen and core body for an electronic pen. This invention includes a case, a core body, and a signal generation circuit. The core body is designed to be attached inside the case, with a front end portion protruding from an opening. The signal generation circuit is responsible for generating signals to be transmitted from the core body. Notably, the core body features a core rod and a protection member that covers the pen tip and axis portion. The design incorporates a middle portion with a different dielectric constant, ensuring optimal performance.

Career Highlights

Toru Tsunekawa is currently employed at Wacom Co., Ltd., a company renowned for its innovative digital pen technology. His work at Wacom has allowed him to explore and develop cutting-edge solutions in the realm of electronic devices.

Collaborations

Throughout his career, Tsunekawa has collaborated with talented individuals such as Kohei Tanaka and Takenori Kaneda. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Toru Tsunekawa's contributions to the field of electronic devices, particularly through his patented electronic pen, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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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