Location History:
- Hwaseong-si, Gyeonggi-do, KR (2008)
- Kyungki-do, KR (2006 - 2010)
- Yongin-si, KR (2011)
Company Filing History:
2 out of 131,214 
2 out of 7,574 
1 out of 832,680 Years Active: 2006-2011
Title: Innovator Spotlight: Jae-chang Lee
Introduction: Jae-chang Lee, situated in Kyungki-do, South Korea, is a noted inventor who has been awarded four patents. His contributions to the field of inkjet technology exemplify innovative engineering and creativity.
Latest Patents: Among his recent patents, Jae-chang Lee developed a nozzle plate for an inkjet head and a corresponding method of manufacturing it. This invention incorporates a silicon substrate featuring a nozzle and includes a thermally oxidized silicon layer on both the outer surface of the substrate and the inner wall of the nozzle. An adhesion layer of silicon oxide is applied to the oxidized layer, which is then coated with an ink-repellent layer. Another significant advancement is his method for manufacturing a piezoelectric ink-jet printhead. This method involves stacking three monocrystalline silicon substrates and adhering them. These substrates comprise an upper one with an ink supply hole and a pressure chamber, an intermediate substrate housing an ink reservoir and damper, and a lower substrate featuring the nozzle. A piezoelectric actuator, critical for ink ejection, is monolithically formed on the upper substrate.
Career Highlights: Jae-chang Lee’s professional journey includes working with established firms in the electronics sector, notably Samsung Electronics Co., Ltd. and Samsung Electro-mechanics Co., Ltd. His tenure at these companies has allowed him to refine his expertise in the field of inkjet technology and solidify his role as an innovator.
Collaborations: Throughout his career, Jae-chang Lee has collaborated with talented professionals such as Jae-woo Chung and Seung-mo Lim. Their collective efforts have undoubtedly contributed to the advancements found in Jae-chang’s inventions.
Conclusion: Jae-chang Lee is a remarkable inventor whose patents reflect his deep understanding and innovation in inkjet technology. His work not only enhances existing technologies but also paves the way for future developments in the field. As he continues to push the boundaries of what is possible, his contributions will undoubtedly influence the technological landscape for years to come.
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.