This inventor holds 22 USPTO granted patents and 9 published patent applications, primarily in Photoresist Technology. Top assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo Ohka Kogyo., Ltd., Toyko Ohka Kogyo Co., Ltd.. Active years: 2013-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
20 out of 1,236 
1 out of 27 
1 out of 5 Years Active: 2013-2025
Areas of Expertise:
Title: **Masahito Yahagi: Pioneer in Resist Technology**
Introduction
Masahito Yahagi is an innovative inventor based in Kawasaki, Japan, known for his significant contributions to the field of resist technology. With a total of 20 patents to his name, Yahagi has established himself as a key figure in the advancement of photoresist materials and methods, which are crucial in the semiconductor manufacturing process.
Latest Patents
Yahagi's recent patents include groundbreaking work in resist compositions and methods of forming resist patterns. One notable invention features a resist composition that contains a silicon-containing resin, an acid generator which produces acid upon exposure, and a photodecomposable base to manage the diffusion of the acid. This composition maintains a silicon content proportion between 20% to 25% of the total atomic makeup of the resin. Another patent describes a resist composition that incorporates a specific compound and a polymeric compound derived from a designated formula. This innovative approach enhances the performance and reliability of resist materials in various applications.
Career Highlights
Throughout his career, Masahito Yahagi has contributed to multiple organizations, most notably Tokyo Ohka Kogyo Co., Ltd. His tenure at this leading company has allowed him to refine his expertise and develop cutting-edge technologies that are widely used in the electronics industry. His contributions in the realm of resist materials have had a profound impact on the efficiency and effectiveness of semiconductor fabrication processes.
Collaborations
In his pursuit of innovation, Yahagi has collaborated with esteemed colleagues such as Yoichi Hori and Tatsuya Fujii. Together, they have worked on advancing the understanding and application of resist technologies, pushing the boundaries of what is possible in this critical field.
Conclusion
Masahito Yahagi's innovative spirit and dedication to research have resulted in significant advancements in resist technology. With 20 patents reflecting his creative ingenuity, he continues to be a leading figure in the field, contributing valuable knowledge and products to the semiconductor industry. His work not only enhances current technologies but also paves the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile