Location History:
- Tokyo, JP (1989)
- Hitachi, JP (2014 - 2018)
- Yokohama, JP (2019)
Company Filing History:
6 out of 651 
1 out of 16 
1 out of 42,496 
Years Active: 1989-2019
Title: Shinji Oikawa: Innovator in Steam Turbine Technology
Introduction
Shinji Oikawa is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of steam turbine technology, holding a total of 8 patents. His work focuses on enhancing the performance and reliability of steam turbine components.
Latest Patents
Oikawa's latest patents include a steam turbine rotor blade and a method for manufacturing it. This invention aims to achieve both abrasion resistance and reliability in steam turbine rotor blades. The rotor blade features a blade base material made of a titanium alloy, complemented by an erosion shield formed on its surface. The erosion shield consists of a weld overlay layer that includes a parent phase of pure titanium or a titanium alloy, along with a hard phase dispersed within it. Another notable patent involves a steam turbine rotor designed to withstand high main steam temperatures of approximately 650°C. This rotor comprises a rotor shaft made of low-cost heat-resistant ferritic steel and a rotor blade made of a Ti-Al alloy, which includes specific atomic percentages of aluminum, vanadium, chromium, and titanium.
Career Highlights
Throughout his career, Oikawa has worked with notable companies such as Mitsubishi Hitachi Power Systems and Iwaya Corporation. His experience in these organizations has allowed him to develop innovative solutions in steam turbine technology.
Collaborations
Oikawa has collaborated with esteemed colleagues, including Hiroyuki Doi and Masahiko Arai. Their combined expertise has contributed to advancements in the field.
Conclusion
Shinji Oikawa's contributions to steam turbine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.