Company Filing History:
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Years Active: 2011-2023
Title: Innovator Spotlight: Tomohiro Yorisue
Introduction
Tomohiro Yorisue, a prominent inventor based in Tokyo, Japan, has made significant contributions to the fields of materials science and semiconductor technology. With a portfolio of eight patents, Yorisue's work demonstrates innovation and technical prowess, particularly in photosensitive resin compositions and semiconductor devices.
Latest Patents
Yorisue's recent patents reflect his ingenuity and commitment to advancing technology. One of his notable inventions is a photosensitive resin composition that enables the production of cured relief patterns, offering high chemical resistance even under low-temperature curing conditions of 200°C or lower. This negative-type photosensitive resin composition includes a photopolymerization initiator and is designed to maintain a satisfactory imidization rate.
Another significant patent involves a polyimide production method specifically designed for semiconductor devices. This innovation addresses the issue of void formation in copper wiring. The semiconductor device features a copper wiring and an insulating layer that, after being stored in humidity conditions of 5% at 150°C for 168 hours, maintains a void area of 10% or less at the interface with the insulating layer. The insulating layer employs various polyimides, showcasing Yorisue's focus on enhancing the reliability and performance of semiconductor applications.
Career Highlights
Yorisue's professional journey includes pivotal roles at respected institutions such as Asahi Kasei and Asahi Kasei E-Materials Corporation. His work at these organizations has integrated cutting-edge research with practical applications in materials science, leading to innovations that cater to the evolving demands of technology sectors.
Collaborations
Throughout his career, Yorisue has collaborated with esteemed colleagues, including Taihei Inoue and Yoshito Ido. These collaborations have not only fostered a rich exchange of ideas but have also contributed to the successful development of numerous patents that underscore their collective expertise in the field.
Conclusion
Tomohiro Yorisue's innovative spirit and dedication to the advancement of technology have cemented his reputation as a key figure in the industry. With a focus on creating high-performance materials and devices, Yorisue's contributions continue to have a lasting impact on the fields of semiconductor technology and materials science. His work exemplifies the essence of innovation, marking him as an inventor worth following in the future.