Tokyo, Japan

Yohei Shirakawa

This inventor holds 15 USPTO granted patents and 8 published patent applications. Top assignees: Proterial, Ltd., Suntory Holdings Limited. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohei Shirakawa. Retrieved from https://idiyas.com/inventor/yohei-shirakawa-2t4erbdm

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 73.3

Average Co-Inventor Count = 2.3

ph-index = 1


Company Filing History:


Years Active: 2023-2026

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15 patents (USPTO):Explore Patents

Title: Yohei Shirakawa: Innovator in Cable Technology

Introduction

Yohei Shirakawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of cable technology, holding a total of 15 patents. His innovative approaches have led to advancements in methods for estimating coupling capacitance and developing stroke sensors.

Latest Patents

Shirakawa's latest patents include a coupling capacitance estimation method, a method for identifying corresponding ends of multicore cables, and a method for manufacturing multicore cable assemblies. The coupling capacitance estimation method involves arranging numerous input electrodes to face the first exposed end portions of insulated wires in a multicore cable. It measures voltage values of output signals to estimate respective coupling capacitances. Additionally, his stroke sensor features two disk-shaped rotors that detect the stroke position of a measuring object based on their rotations.

Career Highlights

Throughout his career, Shirakawa has worked with notable companies such as Proterial, Ltd. and Suntory Holdings Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Some of his notable coworkers include Yukio Ikeda and Yuta Sugiyama. Their collaboration has likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Yohei Shirakawa's contributions to cable technology and his innovative patents highlight his role as a significant inventor in the field. His work continues to influence advancements in technology and engineering.

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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