Company Filing History:
7 out of 5,975 
6 out of 1,268 
Years Active: 2009-2011
Title: The Innovations of Masahide Iwakata
Introduction
Masahide Iwakata is a notable inventor based in Tokyo, Japan, known for his significant contributions to the field of photomask technology. With a portfolio of 7 patents, he has made remarkable advancements that enhance the capabilities of photomasks used in various applications.
Latest Patents
His latest patents focus on innovations related to photomask blanks and photomasks. One patent describes a photomask blank designed with a mask pattern that includes both a transparent area and an effectively opaque area. This innovation serves to optimize light exposure on a transparent substrate, utilizing multiple layers of light shielding films that incorporate silicon and transition metals. Another notable patent details the fabrication method of a light-shielding film, forming a protective layer on a transparent substrate, such as quartz. This film not only acts as a light-shielding barrier but also functions as an anti-reflection film, all while maintaining a thickness of 100 nm or less.
Career Highlights
Masahide Iwakata has had an impactful career, having worked with renowned companies such as Shin-Etsu Chemical Co., Ltd. and Toppan Printing Co., Ltd. His innovative spirit and dedication to research have propelled him to the forefront of photomask technology, making significant contributions to the semiconductor industry.
Collaborations
Throughout his career, Iwakata has collaborated with talented professionals, including Hiroki Yoshikawa and Satoshi Okazaki. These partnerships have played a crucial role in advancing his inventions and enhancing overall research and development in the field.
Conclusion
Masahide Iwakata's work exemplifies the essence of innovation in technology, particularly in the realm of photomask development. His patents not only showcase his technical expertise but also contribute to the advancement of semiconductor manufacturing processes. The impact of his contributions will continue to influence the industry for years to come.