Location History:
- Kawasaki, JP (1993)
- Tokoyo, JP (2016)
- Chiyoda-ku, JP (2012 - 2017)
- Tokyo, JP (1991 - 2024)
Company Filing History:
12 out of 21,351 
7 out of 15,844 
6 out of 39,228 
Years Active: 1991-2024
Title: Hiroshi Fujioka – Innovator in Compound Semiconductors
Introduction
Hiroshi Fujioka, an eminent inventor based in Tokyo, Japan, holds an impressive portfolio of 31 patents. His contributions to the field of semiconductor technology, particularly in the development of compound semiconductors, have garnered significant attention from the tech industry.
Latest Patents
Among his latest patents, Fujioka has developed a novel nitride compound semiconductor that overcomes the challenges of low resistivity in conventional manufacturing. This semiconductor is notable for its high electron mobility, enhancing the potential for high-performance semiconductor devices. The method disclosed in his invention allows for the creation of a group 13 nitride semiconductor with n-type conductivity on a large-area substrate, employing a pulsed sputtering method in a temperature range from room temperature to 700°C. Another key patent details a compound semiconductor that boasts an exceptionally high electron concentration and low electric resistance, making it suitable for advanced semiconductor applications.
Career Highlights
Hiroshi Fujioka has made significant strides in the technology sector, having worked with notable companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His career is marked by a commitment to pushing the boundaries of semiconductor technology, resulting in numerous innovative solutions.
Collaborations
In his journey of innovation, Fujioka collaborated with esteemed colleagues like Takanori Matsunaga and Toshinori Matsui. Together, they have contributed to redefining the landscape of compound semiconductors, coupling their talents and insights to advance research and development in this vital area.
Conclusion
Hiroshi Fujioka stands out as a leading figure in the development of compound semiconductor technologies. His extensive patent portfolio and collaborative efforts in the industry illustrate a profound dedication to innovation. As semiconductor technology continues to evolve, Fujioka's contributions will undoubtedly play a key role in shaping its future.
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.