Location History:
- Changhua, TW (2006 - 2012)
- Changhua County, TW (2012)
- Taichung, TW (2013 - 2014)
Company Filing History:
4 out of 9,152 
2 out of 2 Years Active: 2006-2014
Title: I-Jein Cheng: Innovator in Chemical Toner Technology
Introduction
I-Jein Cheng is a notable inventor based in Changhua, Taiwan. He has made significant contributions to the field of chemical toner technology, holding a total of 6 patents. His work focuses on improving the composition and preparation methods of chemical toners, which are essential in the printing industry.
Latest Patents
One of I-Jein Cheng's latest patents is titled "Chemical toner composition and method for preparing the same." This invention relates to a chemical toner composition that includes a resin emulsion, a pigment dispersion, a wax dispersion, and a dispersible polymer coagulant. The dispersible polymer coagulant is a copolymer comprising unsaturated ester monomers and amino-containing monomers. This innovative approach allows for the preparation of uniform toner particles with excellent roundness and improved flowability, while also reducing moisture absorption.
Career Highlights
Throughout his career, I-Jein Cheng has worked with prominent organizations such as the Industrial Technology Research Institute and Trend Tone Imaging, Inc. His experience in these institutions has allowed him to refine his expertise in chemical toner technology and contribute to advancements in the field.
Collaborations
I-Jein Cheng has collaborated with several professionals in his field, including Kuo-Tung Huang and Ju-Feng Liao. These collaborations have further enhanced his research and development efforts in chemical toners.
Conclusion
I-Jein Cheng's innovative work in chemical toner technology has made a significant impact on the industry. His patents reflect a commitment to improving toner composition and preparation methods, showcasing his role as a leading inventor in this field.