Location History:
- Ibaraki, JP (1990)
- Hitachi, JP (1993)
Company Filing History:
2 out of 42,526 
2 out of 177 Years Active: 1990-1993
Title: Ryoichiro Ohoshima: Innovator in Heat Resisting Alloy Technology
Introduction
Ryoichiro Ohoshima is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat resisting alloys. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to advancing technology.
Latest Patents
Ohoshima holds 2 patents related to ceramics-coated heat resisting alloy members. His first patent describes a gas turbine bucket and nozzle that utilize a ceramic coating. This design features a base material made of a heat resisting alloy, with multiple coating layers that enhance thermal barrier effects. The mixture layer consists of a ceramic material and metal, while the alloy layer provides excellent resistance to high-temperature oxidation and corrosion. This innovative coating significantly improves the performance and durability of gas turbine components.
His second patent also focuses on a ceramic-coated heat resisting alloy member. This invention includes a base metal primarily composed of nickel, cobalt, and iron. The external surface is treated with a mixture layer of ceramics and metal, along with an alloy layer that protects against high-temperature oxidation and corrosion. This design not only prevents damage to the mixture layer but also reduces thermal stress, making it a valuable structural member for enhancing the power efficiency of gas turbine plants used in power generation.
Career Highlights
Throughout his career, Ryoichiro Ohoshima has worked with prominent companies such as Hitachi, Ltd. and Tokyo Electric Power Company. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in energy efficiency and material durability.
Collaborations
Ohoshima has collaborated with notable colleagues, including Yoshitaka Kojima and Akira Mebata. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Ryoichiro Ohoshima's contributions to the field of heat resisting alloys and ceramics-coated materials have positioned him as a key innovator in the industry. His patents reflect a commitment to improving the efficiency and reliability of gas turbine technology. Ohoshima's work continues to influence advancements in energy generation and materials science.