Company Filing History:
Years Active: 2004-2015
Title: Innovations of Sung-hyu Han in Digital Rights Management
Introduction
Sung-hyu Han, a prominent inventor based in Seoul, South Korea, has made significant contributions to the field of digital rights management (DRM) with an impressive portfolio of 31 patents. His innovative approaches focus on enhancing security and efficiency in content encryption and user management systems.
Latest Patents
Among his latest patents, the patented "Method and apparatus for efficiently encrypting/decrypting digital content according to broadcast encryption scheme" stands out. This invention introduces a decryption method that determines the presence of any revoked devices among those holding licenses for specific content. By selectively decrypting a content key only when necessary, it avoids unnecessary encryption and decryption processes, thereby optimizing efficiency.
Another notable invention is the "Key management method using hierarchical node topology, and method of registering and deregistering user using the same." This patent highlights a key management system for DRM in home networks, leveraging a hierarchical node architecture. It allocates pairs of keys to each node, facilitates the generation of link information, and supports an effective binding and revocation mechanism for users.
Career Highlights
Sung-hyu Han is currently employed at Samsung Electronics Co., Ltd., a leading technology company recognized for its innovative solutions in various fields. His work contributes significantly to the company's advancements in digital rights management technologies, enabling secure content delivery and user interaction.
Collaborations
Throughout his career, Sung-hyu has collaborated with notable colleagues such as Myung-Sun Kim and Young-sun Yoon. These collaborations have further enhanced the scope and impact of his research and innovations in DRM systems.
Conclusion
With a robust track record of patents, Sung-hyu Han continues to be a key figure in the evolution of digital rights management. His work not only addresses current challenges in content security but also lays the groundwork for future advancements in this critical area of technology.
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.