Location History:
- Osaka, JP (1990 - 1991)
- Shiga, JP (2002)
- Otsu, JP (1998 - 2018)
Company Filing History:
Years Active: 1990-2018
Title: The Innovative Mind of Toshihisa Nonaka
Introduction
Toshihisa Nonaka, an accomplished inventor based in Otsu, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 14 patents, his work focuses on enhancing semiconductor materials and devices, demonstrating a commitment to innovation within the industry.
Latest Patents
Among his latest patented innovations are a semiconductor resin composition, a semiconductor resin film, and a semiconductor device utilizing these advancements. The primary objective of his semiconductor resin composition is to achieve a significantly low coefficient of linear expansion in the cured product, alongside a uniform distribution of inorganic particles throughout the thickness of the semi-cured film. This composition comprises an epoxy compound, inorganic particles, a polyimide, and a solvent, with the addition of rubber particles. This novel composition ensures that the weight fraction of inorganic particles ranges from 60% to 92% of the total solids.
Additionally, Nonaka has developed a resin sheet characterized by its impressive mechanical properties. The resin sheet shows high connection reliability for semiconductor devices, minimizing the risks of air bubbles and cracks, which can compromise functionality. His innovations in this area address common issues faced during the storage and final application of semiconductor materials.
Career Highlights
Toshihisa Nonaka has dedicated his career to advancing semiconductor technology, currently working at Toray Industries, Inc. His contributions through various patents have positioned him as a thought leader in the field, fostering advancements that enhance the performance and reliability of semiconductor devices.
Collaborations
Throughout his career, Nonaka has collaborated with notable colleagues such as Koichi Fujimaru and Keisuke Kobayashi. These partnerships have facilitated the exchange of ideas and expertise, driving innovation in semiconductor materials and applications.
Conclusion
With a strong foundation in semiconductor technology and a portfolio of innovative patents, Toshihisa Nonaka continues to push the boundaries of what is possible in this critical field. His contributions not only enhance semiconductor device performance but also serve as an inspiration for future inventors in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.