Location History:
- Strongville, OH (US) (2013 - 2014)
- Strongsville, OH (US) (1989 - 2019)
Company Filing History:
13 out of 105 
2 out of 24 
1 out of 1 Years Active: 1989-2019
Title: Innovations by Ching-Feng Chang: Pioneering Graphite Technologies
Introduction
Ching-Feng Chang, an innovative inventor based in Strongsville, OH, has made significant contributions to the field of materials science, particularly in graphite technologies. With a remarkable portfolio, he holds 16 patents that showcase his expertise and dedication to advancing industry standards.
Latest Patents
Chang's recent patents demonstrate his focus on developing efficient methods for producing high-quality graphite electrodes. His latest innovations include:
1. **Method of Producing Needle Coke for Low CTE Graphite Electrodes** - This method involves producing low CTE (coefficient of thermal expansion) graphite electrodes from needle coke derived from a coal tar distillate material with a relatively high initial boiling point.
2. **Carbon Products Derived from Lignin/Carbon Residue** - This invention involves a precursor containing at least five percent of lignin-based coke, having specific d002 spacing characteristics for making graphite. It discusses methods for creating a green/graphite article by mixing coke from various sources and shaping the mixture before carbonization and graphitization.
Career Highlights
Throughout his career, Ching-Feng Chang has been associated with reputable companies known for their advancements in carbon technologies. He has worked with GrafTech International Holdings Inc. and Ucar Carbon Company Inc., where his contributions have been instrumental in research and development.
Collaborations
In addition to his industrial achievements, Chang has collaborated with esteemed colleagues Irwin Charles Lewis and Douglas J. Miller. Their collective efforts have contributed to breakthroughs in the methods of producing specialized carbon materials, complementing Chang's innovative approach.
Conclusion
Ching-Feng Chang continues to impact the field of graphite technology through his innovative methods and collaborations. His extensive patent portfolio underscores his commitment to improvements and advancements in materials science, making him a leading figure in the industry.