This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Erae Ams Co., Ltd.. Active years: 2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2018
Title: Innovations of Jang-Sun Lee
Introduction
Jang-Sun Lee is a notable inventor based in Daegu, South Korea. He has made significant contributions to the field of engineering, particularly in the development of mechanical components. With a total of two patents to his name, Lee's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Jang-Sun Lee's latest patents is for a constant-velocity universal joint. This invention includes an outer joint member with multiple outer ball grooves and an inner joint member with several inner ball grooves. The design features a plurality of torque transmitting balls and a ball cage. The unique aspect of this joint is the double shape of the outer and inner ball grooves, with a specific ratio of offset value to distance that enhances its functionality.
Another significant patent by Lee is for a hollow drive shaft and the method for manufacturing it. This invention addresses the issue of concentrated loads at weak points caused by variations in sectional thicknesses and outer diameters. The hollow drive shaft consists of one or more small-diameter portions and a large-diameter portion, designed to ensure uniform strength throughout its length. The large-diameter portion has a carburized section that enhances its hardness, contributing to its durability.
Career Highlights
Jang-Sun Lee is currently employed at Erae Ams Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of mechanical components used in various applications.
Collaborations
Lee has collaborated with several talented individuals in his field, including Hyun-Il Lee and Jae-Seung Jeong. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Jang-Sun Lee's contributions to engineering through his patents reflect his dedication to innovation and problem-solving. His work continues to influence the industry, showcasing the importance of creativity in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile