Aichi, Japan

Watara Yanagawa

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Watara Yanagawa. Retrieved from https://idiyas.com/inventor/watara-yanagawa

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: The Innovations of Watara Yanagawa: A Pioneer in Webbing Take-Up Devices

Introduction: Watara Yanagawa, an accomplished inventor based in Aichi-ken, Japan, has made significant contributions to the field of mechanical engineering with his innovative patent related to webbing take-up devices. With a focus on enhancing functionality and accuracy, Yanagawa's work demonstrates the vital role of inventors in shaping efficient mechanical solutions.

Latest Patents: Yanagawa holds a patent for a webbing take-up device that introduces an extension rib designed to improve the interaction between the ALR (Auto Locking Retractor) cam and the ALR pawl. This design enables the user to manage excessive rotation of the ALR cam effectively, preventing issues that can arise when the ALR pawl engages improperly. By maintaining accurate switching timing between the different states, Yanagawa's invention significantly enhances the performance and reliability of safety mechanisms in various applications.

Career Highlights: Throughout his career, Watara Yanagawa has distinguished himself by his innovative approach to engineering challenges. His position at Kabushiki Kaisha Tokai Rika Denki Seisakusho has allowed him to work at the forefront of development in safety technology, contributing a unique perspective that is grounded in practical application. His emphasis on precision and functionality has characterized his contributions to the field.

Collaborations: Yanagawa has collaborated with fellow engineer Kazuhiro Yamada, a partnership that has fostered an environment of creativity and technical expertise. Together, they have pursued innovative solutions that address contemporary challenges within the industry, leveraging their combined knowledge to advance technology in safety systems.

Conclusion: Watara Yanagawa's inventive spirit and commitment to engineering excellence have established him as a noteworthy figure in the realm of mechanical inventions. His patent for the webbing take-up device not only exemplifies his innovative thinking but also his dedication to enhancing safety and reliability in engineering applications. As he continues his work at Kabushiki Kaisha Tokai Rika Denki Seisakusho, the impact of his contributions will undoubtedly resonate within the industry for years to come.

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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