Company Filing History:
Years Active: 2005-2008
Title: **Joong-Hwan Choi: A Pioneer in Liquid Toner Innovation**
Introduction
Joong-Hwan Choi, an accomplished inventor based in Seoul, South Korea, has made significant contributions to the field of electrophotography. With a total of seven patents to his name, Choi's work focuses on enhancing the performance and stability of liquid toners and inks, vital for high-quality printing technologies.
Latest Patents
Among his latest patents, Choi developed a unique liquid toner for electrophotography and a method of preparing it. This innovative toner comprises a carrier liquid, an organosol, a colorant, a charge controlling agent (CCA), and a (meth)acrylic (co)polymer that is soluble in the carrier liquid. Notably, the liquid toner exhibits a low solidification rate, ensuring good redispersion even after prolonged periods, particularly at high temperatures, while effectively maintaining image density.
In addition, Choi holds a patent for a liquid ink composition and its production method. This novel ink composition features a combination of colorants, a charge control agent, an organosol, a carrier liquid, and a storage stabilizer—a metal salt that enhances the dispersibility and stability of the ink under high temperatures. This development is crucial, as it ensures that the ink's electrical properties and optical density remain intact, thereby improving overall printing quality.
Career Highlights
Joong-Hwan Choi is currently employed at Samsung Electronics Co., Ltd., where he engages in advanced research and development projects related to imaging technologies. His work at one of the leading tech companies allows him to contribute to cutting-edge innovations in the electronics and printing industry.
Collaborations
Throughout his career, Choi has collaborated with talented individuals such as Kyung-yol Yon and Jeong-hun Pang. Together, they have shared insights and expertise, furthering the advancements in liquid toner technologies and enhancing the quality of printing solutions.
Conclusion
Joong-Hwan Choi's dedication to innovation in liquid toner technology has positioned him as a significant figure in the realm of electrophotography. With seven patents reflecting his expertise and creative solutions, Choi continues to influence the field and inspire future advancements in the printing industry. His work will undoubtedly play an essential role in revolutionizing how we perceive and utilize printing technologies in our everyday lives.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.