Location History:
- Hitachi, JP (1984 - 2001)
- Hitachiohta, JP (2000 - 2003)
- Hitachiota, JP (2002 - 2003)
Company Filing History:
16 out of 42,485 
1 out of 1 Years Active: 1984-2003
Title: Masao Shiga: A Pioneer in Turbine Technology
Introduction
Masao Shiga, based in Hitachiohta, Japan, is an accomplished inventor with a remarkable portfolio of 16 patents. Known for his contributions to turbine technology, Shiga has developed innovative solutions to improve power generation systems, particularly in steam and gas turbines.
Latest Patents
Two of his latest patents include a gas turbine for power generation and a steam turbine blade, along with a steam turbine and steam turbine power plant utilizing this cutting-edge technology. The steam turbine blade is crafted from a martensite steel that offers high strength and toughness. Notably, it contains specific alloying elements such as carbon (0.13-0.40%), silicon (less than 0.5%), manganese (less than 1.5%), nickel (2-3.5%), chromium (8-13%), molybdenum (1.5-4%), as well as niobium and tantalum (0.02-0.3% in total). Additionally, the blade features vanadium (0.05-0.35%) and nitrogen (0.04-0.15%), showcasing Shiga's dedication to producing advanced materials for energy generation.
Career Highlights
Throughout his career, Masao Shiga has worked with prominent companies such as Hitachi, Ltd. and Japan Steel Works, Ltd. His role in these organizations has allowed him to influence the development of cutting-edge technologies that have reshaped the field of power generation.
Collaborations
In his journey as an inventor, Shiga has collaborated with notable colleagues, including Shigeyoshi Nakamura and Yutaka Fukui. These collaborations have played a vital role in fostering innovation and advancing turbine technology.
Conclusion
Masao Shiga's contributions to the field of turbine technology through his inventions and patents underscore his status as a pioneering inventor. His dedication to developing high-performance turbine components continues to impact the energy sector significantly and exemplifies the spirit of innovation.
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.