Tokyo, Japan

Shizuka Kuryu

This inventor holds 7 USPTO granted patents. Top assignees: Nihon Biso Co., Ltd., Nihon Biso Kabushiki Kaisha. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuka Kuryu. Retrieved from https://idiyas.com/inventor/shizuka-kuryu

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1990-1998

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7 patents (USPTO):Explore Patents

Title: Innovations by Shizuka Kuryu: Patenting Progress in Rope Traction Technologies

Introduction: Shizuka Kuryu, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of rope traction devices. With a portfolio consisting of seven patents, Kuryu's innovations demonstrate a commitment to enhancing safety and efficiency in various applications.

Latest Patents: Among Kuryu's latest inventions is a state-of-the-art rope traction device equipped with connected locking units. This device features a sheave where a traction rope is wound. It is designed for seamless movement along the traction rope, equipped with a traction rope inlet and outlet for optimal functionality. Notably, the traction rope locking device is capable of locking the rope upon detecting increased speed, enhancing safety measures. Additionally, an auxiliary rope locking device provides simultaneous engagement with the traction rope locking device, allowing for a more reliable and efficient operation.

Another significant patent is a traction hoist utilized in powered suspended scaffolding. This innovation is indicative of Kuryu's focus on practical applications that improve worksite safety and operational efficiency.

Career Highlights: Shizuka Kuryu has been affiliated with prominent companies such as Nihon Biso Co., Ltd. and Nihon Biso Kabushiki Kaisha, where her expertise in rope traction technology has been instrumental in product development and innovation.

Collaborations: Throughout her career, Kuryu has worked alongside Yutaka Sugiyama, her female coworker, who has also contributed to advancements in their field. Their collaborative efforts have further strengthened the development and implementation of new technologies.

Conclusion: Shizuka Kuryu’s contributions to the innovation landscape are widely recognized through her patents and collaborative projects. Her work in creating advanced rope traction devices illustrates the importance of practical safety solutions in various industries, and her ongoing efforts continue to inspire future innovations.

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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