Irvine, CA, United States of America

Stephen C Chien

This inventor holds 15 USPTO granted patents, primarily in Golf Equipment. Top assignees: Roger Cleveland Golf Company, Inc., Sri Sports Limited, Sumitomo Rubber Industries Limited. Active years: 1998-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen C Chien. Retrieved from https://idiyas.com/inventor/stephen-c-chien

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

Calculating rank

% Patents Active = 93.3

Average Co-Inventor Count = 6.3

ph-index = 8

Forward Citations = 344(Granted Patents)


Company Filing History:


Years Active: 1998-2021

Loading Chart...
Areas of Expertise:
Golf Club Head
Solid State Drive
Driving Iron
Wood-Type Golf Club
Golf Technology
Performance Enhancement
Club Design
Assembly Method
15 patents (USPTO):Explore Patents

Title: The Innovative Mind of Stephen C. Chien

Introduction

Stephen C. Chien is a prominent inventor based in Irvine, California. He has made significant contributions to the field of golf equipment, holding a total of 15 patents. His innovative designs focus on enhancing the performance and functionality of golf club heads.

Latest Patents

Among his latest patents is an exemplary golf club head that features an increased amount of discretionary mass. This design utilizes improved drop angles, an enhanced average crown height, and articulation points. The discretionary mass is strategically placed low and deep within the club head to optimize the center of gravity and improve inertial properties. Additionally, a preferred break length is employed to further enhance the depth of the center of gravity. In one instance, the center of gravity is positioned to align the sweet spot with the face center of the club head, thereby improving the overall performance of the golf club.

Career Highlights

Stephen has worked with notable companies in the golf industry, including Roger Cleveland Golf Company, Inc. and Sri Sports Limited. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative golf products.

Collaborations

Stephen has collaborated with talented individuals such as Daniel J. Stone and Douglas E. Roberts. Their combined expertise has fostered a creative environment that has led to the development of cutting-edge golf technologies.

Conclusion

Stephen C. Chien's inventive spirit and dedication to improving golf equipment have made him a significant figure in the industry. His patents reflect a deep understanding of the mechanics of golf, and his work continues to influence the design of golf clubs today.

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…