Location History:
- Minneapolis, MN (US) (1976 - 1977)
- North Oaks, MN (US) (1981 - 2012)
Company Filing History:
17 out of 2,304 
6 out of 58 
1 out of 29,232 
Years Active: 1976-2012
Title: The Innovative Contributions of Benjamin Y. Liu
Introduction: Benjamin Y. Liu is a prominent inventor based in North Oaks, MN, with an impressive portfolio of 25 patents to his name. His work primarily focuses on advancements in particle filtration methods and controlled particle deposition, showcasing his commitment to innovation in engineering technology.
Latest Patents: Liu’s latest patents reflect his expertise and innovative spirit. One notable patent is the "Method and apparatus for particle filtration and enhancing tool performance in film deposition." This invention allows for the changing of filters on the input line to a vacuum deposition chamber without breaking or reducing the vacuum, thereby enhancing the efficiency of the deposition process. The inclusion of isolation valves ensures that the filter can be managed effectively, maintaining the integrity of the vacuum environment. Another significant patent, titled "Method and apparatus for controlled particle deposition on surfaces," involves an atomizer designed to create aerosol particles from a liquid containing desired materials. This inventive approach utilizes an aspirating nozzle or ultrasonic vibrator to generate the aerosol and applies high voltage electrodes to increase the charge on the particles for better control during deposition.
Career Highlights: Benjamin Y. Liu has had a significant influence on the field of particle technology throughout his career. He has contributed to research and development through his positions at esteemed institutions such as the University of Minnesota and Msp Corporation. His experience in these organizations has allowed him to push the boundaries of particle filtration and deposition technology.
Collaborations: Liu has collaborated with notable colleagues in his field, including Virgil Alan Marple and David B. Kittelson. These partnerships have helped foster innovation and propel advancements in their respective areas of expertise, leading to the successful development of multiple patents.
Conclusion: Benjamin Y. Liu’s dedication to innovation is evidenced by his extensive patent portfolio and impactful contributions in particle technology. His work not only enhances tool performance in film deposition processes but also showcases the potential for future advancements in the field. As a leading inventor, Liu continues to inspire others in the pursuit of scientific and technological progress.
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.