This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Fujifilm Electronic Materials U.s.a., Inc.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Hanyu Fan - Innovator in Polishing Compositions
Introduction
Hanyu Fan is an inventor based in Chandler, AZ (US). He is known for his contributions to the field of polishing compositions. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.
Latest Patent Applications
Hanyu Fan has submitted two notable patent applications. The first application is titled "POLISHING COMPOSITIONS AND METHODS OF USE THEREOF." This disclosure relates to a polishing composition that includes an abrasive, at least one Si-containing compound with an acidic group, an ester thereof, or a salt thereof, and water. It also features a method of using the polishing composition to polish a substrate. The second application, also titled "POLISHING COMPOSITIONS AND METHODS OF USE THEREOF," describes a polishing composition that includes an abrasive, at least two pH adjusters, a barrier film removal rate enhancer, a low-k removal rate inhibitor, and an azole-containing corrosion inhibitor. This application also features a method of using the polishing composition to polish a substrate containing copper and silicon oxide.
Conclusion
Hanyu Fan is an emerging inventor whose work in polishing compositions showcases his innovative spirit. His latest patent applications highlight his commitment to advancing technology in this field.