This inventor holds 7 USPTO granted patents. Top assignees: Sk Chemicals Co., Ltd., Sk Chemicals, Sk Chemical. Active years: 2000-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kyungki-do, KR (2000)
- Anyang, KR (2002)
- Kyungsangbuk-do, KR (2003)
- Uiwang-si, KR (2006)
- Uiwang, KR (2008 - 2012)
Company Filing History:

Years Active: 2000-2012
Title: Ki-Seung Choi: Patents in Antimicrobial Technology and Wastewater Treatment.
Introduction
Ki-Seung Choi is an inventor based in Uiwang, South Korea. His patent portfolio includes 7 patents, with inventions addressing antimicrobial compositions and wastewater treatment.
Latest Patents
“Biocide Composition and Sterilization Method Using the Same” describes antibacterial and antifungal compositions containing 3-isothiazolone and polyhexamethyleneguanidine phosphate. The invention is designed to act against a broad range of pathogens and can be used to kill or inhibit the growth of bacteria and fungi in various applications.
“Bioreactor for Sewage and Wastewater Treatment” presents a system designed to agitate a culture solution while supplying oxygen. It includes a culture drum for microorganisms, a supply system for culture solution and media, an air-driven agitator, and a thermostatic controller that regulates temperature and disinfects the drum’s interior.
Career Highlights
Choi’s listed company affiliations include SK Chemicals Co., Ltd. and SK Chemicals. His patent work spans both disinfection technology and biological processes for treating sewage and wastewater.
Collaborations
His listed coworkers include fellow inventors Jin-Man Kim and Soon-Jong Hahn.
Conclusion
Ki-Seung Choi’s inventions address practical challenges in pathogen control and wastewater treatment, reflecting the range of his patent activity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile