Company Filing History:
4 out of 4 
1 out of 58 
Years Active: 2025
Title: Innovations by Sung Won Shim in Battery and Semiconductor Technologies
Introduction
Sung Won Shim is a notable inventor based in Jeollanam-do, South Korea. He has made significant contributions to the fields of battery technology and semiconductor processing. With a total of 4 patents, his work focuses on improving the efficiency and safety of chemical processes used in these industries.
Latest Patents
Sung Won Shim's latest patents include a method for preparing a cathode of a secondary battery and a purified N-methyl pyrrolidone (NMP). This innovative method involves adding an inhibitor to prevent the decomposition of NMP into formaldehyde during the preparation process. The inhibitor can be a phenol-based antioxidant and/or an amine-based light stabilizer. Additionally, he has developed a method for purifying an alkylene glycol monoalkyl ether carboxylic acid ester (AGAECE) used in photoresist processing. This method includes distillation after passing industrial AGAECE through a porous adsorbent impregnated with a basic material, resulting in semiconductor-grade high-purity AGAECE.
Career Highlights
Throughout his career, Sung Won Shim has worked with various companies, including Jaewon Industrial Co., Ltd and Em-tech Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in his field.
Collaborations
Sung Won Shim has collaborated with notable coworkers such as Byung Ki Son and Hwan Choi. Their combined expertise has likely fostered innovative solutions and advancements in their respective projects.
Conclusion
Sung Won Shim's contributions to battery and semiconductor technologies highlight his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to enhancing efficiency and safety in chemical applications.