Yokoshiba, Japan

Kazuyuki Ishigaya

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Sugatsune Kogyo Co., Ltd.. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Ishigaya. Retrieved from https://idiyas.com/inventor/kazuyuki-ishigaya

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 2006-2025

Loading Chart...
2 patents (USPTO):Explore Patents

Title: The Innovative Vision of Kazuyuki Ishigaya

Introduction: Kazuyuki Ishigaya, an inventive mind based in Yokoshiba-machi, Japan, has made significant contributions to the field of engineering with his innovative patents. With two registered patents to his name, Ishigaya demonstrates a commitment to advancing mechanical design and functionality, particularly in hinge mechanisms.

Latest Patents: Among his latest inventions, the "One-way Damping Hinge" stands out for its unique design, which provides a one-way braking function capable of self-aligning. This hinge incorporates a first leaf, a rotatably supported shaft, and a resistance part to control rotation, alongside a one-way clutch and position-adjusting member. These elements work together to enhance usability in various applications. Additionally, he has developed a hinge device for mobile phones, featuring a movable member that contributes to the axial movement while being unable to turn. A cleverly designed force conversion mechanism allows for effective transmission of force, promoting smoother operation in handheld devices.

Career Highlights: Kazuyuki Ishigaya is currently associated with Sugatsune Kogyo Co., Ltd., a company known for its high-quality hardware and innovative solutions. His role at the company allows him to apply his expertise and creativity in the design and development of cutting-edge mechanical components.

Collaborations: Throughout his career, Ishigaya has collaborated with esteemed colleagues, including Shinichiro Koshikawa and Hiroaki Kawawa. Their teamwork fosters an environment of innovation, enabling them to pursue and realize ambitious projects in the realm of product design and engineering.

Conclusion: Kazuyuki Ishigaya remains a notable figure in the field of innovation, leveraging his skills to create groundbreaking mechanical designs. With a focus on enhancing the functionality of everyday items, his contributions continue to shape the future of product development 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]
Loading…