This inventor holds 15 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Liquid Crystal Displays. Top assignees: Sharp Kabushiki Kaisha Corporation, Kaneka Corporation, University of Hyogo. Active years: 2011-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (2011)
- Saitama, JP (2013)
- Koshigaya, JP (2011 - 2014)
- Osaka, JP (2011 - 2022)
Company Filing History:
13 out of 26,000 
2 out of 1,779 
1 out of 23 Years Active: 2011-2022
Areas of Expertise:
Title: Yuki Kawashima: A Pioneer in Graphite-based Innovations
Introduction
Yuki Kawashima, an innovative inventor based in Osaka, Japan, has made significant contributions to the field of materials science, amassing an impressive portfolio of 15 patents. His work focuses on the development of advanced graphene-based technologies, particularly in the areas of EUV optics and wiring circuits.
Latest Patents
Kawashima's latest patents represent groundbreaking advancements in the application of graphite materials. One notable invention is a pellicle comprising a graphite thin film, which addresses the need for high EUV transmittance while ensuring uniformity in transmittance. This pellicle features a graphite thin film with a thickness ranging from 5 nm to 30 nm and a surface roughness (Sa) between 0.1 nm and 500 nm.
Another significant invention is a wiring circuit along with a method for its production. This innovation includes graphite wiring characterized by a specified thickness, achieving high electrical conductivity and carrier mobility. The wiring circuit's graphite components boast an electrical conductivity of 18,000 S/cm or more, with a carrier mobility of 9,500 cm/Vsec or greater. The method entails bonding a graphite film to a substrate, plasma etching to form a thin film, and finally etching to create the wiring circuit.
Career Highlights
Yuki Kawashima has drawn upon his extensive expertise while working with prominent companies in the industry, including Sharp Corporation and Kaneka Corporation. His role in these organizations has facilitated the development of cutting-edge technologies and has reinforced his reputation as an accomplished inventor.
Collaborations
Throughout his career, Yuki has collaborated with notable individuals in the field, including Yasutoshi Tasaka and Asahi Yamato. These collaborations have allowed for the exchange of ideas and amplified the impact of his innovative work.
Conclusion
Yuki Kawashima continues to push the boundaries of innovation in materials science, particularly with his specialized knowledge in graphite applications. With a diverse array of patents to his name, he remains a key figure in the advancement of modern technologies related to EUV optics and wiring circuits.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile