Company Filing History:
6 out of 2,495 
1 out of 121 
1 out of 14,067 
Years Active: 2004-2021
Title: Innovations of Stacey Chang: Pioneering Pitch and Yaw Rotation Technology
Introduction: Stacey Chang, a notable inventor based in Sunnyvale, California, holds a remarkable portfolio of nine patents. His work primarily revolves around enhancing functionality in tools and devices, particularly through innovative wrist mechanisms that allow for more versatile movements without compromising stability.
Latest Patents: One of Stacey Chang's latest patents is titled "Apparatus for Pitch and Yaw Rotation." This invention addresses the need for tools to achieve pitch and yaw rotation while eliminating singularities in roll, pitch, and yaw. The tool employs a positively positionable multi-disk wrist mechanism composed of various stacked disks or vertebrae. Each vertebra is designed to rotate in either pitch or yaw relative to its neighboring vertebrae. Movement control is achieved through actuation cables, some of which are configured as distal cables extending from a proximal vertebra to a distal vertebra, alongside medial cables that connect intermediate vertebrae. The cables are effectively actuated by a pivoted plate cable actuator mechanism, showcasing a sophisticated approach to mechanical design.
Career Highlights: Throughout his career, Stacey Chang has contributed significantly to the field of medical instrumentation. He worked with Intuitive Surgical Operations, Inc. and Intuitive Surgical, Inc., where his expertise helped advance the capabilities of robotic surgical systems and other innovative medical tools.
Collaborations: Stacey has collaborated with notable colleagues, including Thomas G. Cooper and Daniel T. Wallace. These partnerships have fostered a collaborative environment aimed at driving innovations in medical technology.
Conclusion: Stacey Chang's contributions to the field of technology, particularly through his inventive spirit and groundbreaking patents, continue to shape the landscape of tools used in various applications. His work exemplifies how innovations can enhance functionality and efficiency, paving the way for future developments in this domain.