Company Filing History:
2 out of 15,462 
2 out of 5,307 
Years Active: 2014-2021
Title: The Innovative Contributions of Dan Ruan
Introduction
Dan Ruan is a prominent inventor based in Los Angeles, California. He has made significant contributions to the field of radiotherapy, holding a total of four patents. His work focuses on enhancing treatment methods and technologies that improve patient outcomes in cancer therapy.
Latest Patents
Dan Ruan's latest patents include a platform for intensity modulated radiation therapy (IMRT). This invention features novel sparse orthogonal collimators (SOCs) designed for use in radiotherapy. The SOCs consist of two-layer, four-bank orthogonal collimators, each containing two to eight leaves in the four banks. Instead of relying on a limited heuristic approach for jaw-only IMRT, Ruan introduces a novel fluence map optimization method based on wavelet decomposition. This method is utilized for IMRT, providing an algorithm that simplifies fluence maps while maintaining minimal and predictable dose quality compromise. Another significant patent involves radiotherapy utilizing the entire 4PI solid angle. This invention outlines methods and devices for generating a radiotherapy treatment plan, ensuring that all feasible beam orientations are collision-free. The process includes selecting a subset of beams that meet treatment goals and calculating a navigation trajectory for the radiotherapy device.
Career Highlights
Dan Ruan has worked at prestigious institutions, including the University of California and Leland Stanford Junior University. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of radiotherapy.
Collaborations
Dan has collaborated with notable colleagues, including Ke Sheng and Paul Keall. Their combined expertise has contributed to the advancement of radiotherapy technologies.
Conclusion
Dan Ruan's innovative work in radiotherapy exemplifies the impact of dedicated inventors in the medical field. His patents reflect a commitment to improving cancer treatment methods and enhancing patient care.
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.