Location History:
- Amagasaki, JP (1989)
- Tokyo, JP (1998 - 2019)
Company Filing History:
3 out of 21,351 
3 out of 15,844 
Years Active: 1989-2019
Title: Hiroaki Sumitani: A Pioneer in Silicon Carbide Innovations
Introduction: Hiroaki Sumitani, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor technology. With a total of six patents to his name, Sumitani's work is particularly recognized for its advancements in silicon carbide (SiC) materials, which are integral to the development of high-performance electronic devices.
Latest Patents: Among his recent patents are inventions that include a substrate mounting member and methods for fabricating SiC epitaxial substrates. The substrate mounting member is designed for the mounting of SiC substrates for epitaxial growth, featuring a wafer plate containing SiC polycrystal, coupled with a supporting plate that serves as the surface for placing the SiC substrate. This innovative design adheres to specific dimensional criteria, ensuring optimal performance under stress. Additionally, Sumitani's silicon carbide semiconductor element patent describes a layered structure with a carefully controlled doping concentration, enhancing the efficiency and reliability of SiC-based applications.
Career Highlights: Throughout his career, Hiroaki Sumitani has been associated with prominent companies, including Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His contributions have propelled advancements in semiconductor technology, especially within the realm of silicon carbide, which is highly valued for its durability and efficiency in high-temperature and high-voltage applications.
Collaborations: Sumitani has collaborated with notable colleagues, including Hiroshi Watanabe and Kenichi Ohtsuka. Their combined expertise has fostered innovation and pushed the boundaries of what is achievable in semiconductor technology.
Conclusion: Hiroaki Sumitani's innovative spirit and dedication to the field of semiconductor technology have established him as a key figure in the advancement of silicon carbide applications. With his array of patents and collaborative efforts, he continues to inspire future innovations in the realm of electronics and materials science.
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.