This inventor holds 17 USPTO granted patents and 6 published patent applications and 10 EPO patents, primarily in Chemical Mechanical Polishing. Top assignees: E Ink California, LLC, Cmc Materials, Inc., Cabot Microelectronics Corporation. Active years: 2014-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Milpitas, CA (US) (2014 - 2016)
- Aurora, IL (US) (2016 - 2023)
Company Filing History:
7 out of 149 
6 out of 35 
4 out of 297 
Years Active: 2014-2025
Areas of Expertise:
Title: Innovations of Roman A Ivanov
Introduction
Roman A Ivanov is a prominent inventor based in Aurora, IL (US), known for his significant contributions to the field of chemical-mechanical polishing. With a total of 17 patents to his name, Ivanov has developed innovative methods and compositions that enhance the polishing processes of various substrates.
Latest Patents
Among his latest patents, Ivanov has introduced a composition and method for polishing boron-doped polysilicon. This invention provides a method of chemically mechanically polishing a substrate, particularly one comprising boron-doped polysilicon. The method involves contacting the substrate with a polishing composition that includes abrasives such as α-alumina and silica, along with ferric ion, an organic acid, and water. Additionally, he has developed a chemical-mechanical polishing composition for silicon nitride containing substrates. This composition features cationic silica particles dispersed in an aqueous carrier, along with specific polishing additives, ensuring effective polishing of silicon nitride substrates.
Career Highlights
Throughout his career, Ivanov has worked with notable companies, including E Ink California, LLC and CMC Materials, Inc. His experience in these organizations has allowed him to refine his expertise in the field of materials science and polishing technologies.
Collaborations
Ivanov has collaborated with esteemed colleagues such as Ming Wang and Hui Du, contributing to advancements in the industry through shared knowledge and innovative ideas.
Conclusion
Roman A Ivanov's work in the field of chemical-mechanical polishing has led to significant advancements, as evidenced by his numerous patents and collaborations. His contributions continue to influence the industry and pave the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile