Location History:
- Yokosuka, JP (1987 - 1990)
- Matsumoto, JP (1990)
- Nagano, JP (1991 - 1996)
- Kawasaki, JP (1994 - 1997)
- Kanagawa, JP (1984 - 1999)
Company Filing History:
28 out of 4,800 
5 out of 41 
1 out of 15 Years Active: 1984-1999
Title: Masaharu Nishiura: Innovator in Semiconductor Technology
Introduction
Masaharu Nishiura is a prominent inventor based in Kanagawa, Japan, known for his substantial contributions to semiconductor technology. With an impressive portfolio of 32 patents, Nishiura has developed innovative solutions that enhance the performance and efficiency of semiconductor devices.
Latest Patents
Among his latest patents are key advancements in insulation substrates for semiconductor devices. One notable invention is the Ceramic Bonding Copper (CBC) substrate. This technology incorporates a ceramic plate with foil-shaped copper plates, bonded by the direct copper bonding method. The innovative fabrication process utilizes high-temperature sintering of an alumina powder compact containing zirconia and various additives like yttria, calcia, magnesia, and ceria. The resulting alumina ceramic plate exhibits improved flexural strength and thermal conductivity, enabling a reduction in thickness that enhances heat radiation and increases the current carrying capability of semiconductor devices.
Another significant patent involves a zirconia-added alumina substrate with direct copper bonding. This high-temperature fired ceramic substrate comprises alumina as the main component, along with zirconia and other sintering assisting agents. The precise addition of yttria, calcia, magnesia, and ceria optimizes the substrate's performance, further pushing the boundaries of semiconductor technology.
Career Highlights
Throughout his career, Masaharu Nishiura has worked with esteemed companies such as Fuji Electric Co., Ltd. and Fuji Electric Corporate Research & Development, Ltd. His role in these organizations has allowed him to spearhead projects that bridge the gap between innovative concepts and practical applications in the industry.
Collaborations
Nishiura has collaborated with notable colleagues, including Tatsuhiko Fujihira and Katsumi Yamada. These partnerships foster a rich environment of creativity and innovation, contributing to the advancement of technology in the semiconductor field.
Conclusion
Masaharu Nishiura’s contributions to semiconductor technology through his numerous patents demonstrate his commitment to innovation and excellence. His latest inventions significantly enhance the efficiency and reliability of semiconductor devices, ensuring a lasting impact on the industry. As he continues his work, the potential for further innovations remains promising, solidifying his legacy as a leading inventor in the field.
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.