Company Filing History:
3 out of 18,523 
2 out of 8,087 
Years Active: 2012-2016
Title: Pil Sung Jang: Innovator in Automotive Engineering
Introduction
Pil Sung Jang is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of automotive engineering, particularly in the design and manufacturing of engine components. With a total of 3 patents to his name, Jang's work focuses on enhancing the performance and efficiency of automobile engines.
Latest Patents
One of Jang's latest patents is a method for manufacturing pistons for automobile engines. This innovative method aims to prevent casting defects such as oxide inclusions or shrinkage cavities on the surface of a combustion chamber over a piston head after casting. The process involves casting a head top with a bowl by pouring a first molten metallic material into a first mold, followed by casting the body with a second molten metallic material. The head top and body are then integrally bonded to form the piston.
Another significant invention by Jang is a variable compression ratio device. This device changes the top dead center of a piston based on the engine's driving state. It includes a lower piston that is reciprocally movable in the engine's cylinder, an upper piston, and a hydraulic pressure supply unit that selectively supplies hydraulic pressure to adjust the compression ratio.
Career Highlights
Throughout his career, Pil Sung Jang has worked with prominent automotive companies, including Hyundai Motor Company and Kia Motors Corporation. His experience in these organizations has allowed him to apply his innovative ideas in real-world applications, contributing to advancements in automotive technology.
Collaborations
Jang has collaborated with talented individuals in the industry, including Han Sang Kim and Wootae Kim. These collaborations have fostered a creative environment that has led to the development of groundbreaking automotive technologies.
Conclusion
Pil Sung Jang is a distinguished inventor whose work in automotive engineering has led to significant advancements in engine design and manufacturing. His innovative patents reflect his commitment to improving vehicle performance and efficiency.
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.