Location History:
- Yamanashi, JP (2010)
- Miyagi, JP (2014)
Company Filing History:
2 out of 10,341 
1 out of 56 Years Active: 2010-2014
Title: Ryotaro Midorikawa: Innovator in Plasma Processing Technology
Introduction
Ryotaro Midorikawa is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of plasma processing technology, holding two patents that showcase his innovative approach to engineering.
Latest Patents
Midorikawa's latest patents include a plasma processing apparatus and method. This apparatus features a processing chamber, a lower electrode that serves as a mounting table for a target object, and an upper electrode or antenna electrode positioned opposite the lower electrode. It also includes a gas supply source for introducing a halogen-containing gas and oxygen gas into the chamber, along with a high-frequency power supply for generating plasma. Notably, the inner surfaces of the processing chamber exposed to plasma are coated with a fluorinated compound to enhance performance.
Another patent focuses on a treatment device and its consumable parts management method. This processing apparatus incorporates counters to measure the RF discharge time for consumable components during specific processing types. It features a storage system for wear coefficient information and a control unit that calculates a wear index value based on the RF discharge times and wear coefficients. This innovation aims to improve the management of consumable components in plasma processing.
Career Highlights
Throughout his career, Ryotaro Midorikawa has worked with prominent companies such as Tokyo Electron Limited and Tocalo Co., Ltd. His experience in these organizations has contributed to his expertise in plasma processing technologies.
Collaborations
Midorikawa has collaborated with notable professionals in his field, including Masaru Nishino and Masatsugu Makabe. These collaborations have likely enriched his work and led to advancements in plasma processing technology.
Conclusion
Ryotaro Midorikawa is a distinguished inventor whose work in plasma processing technology has led to significant innovations. His patents reflect a deep understanding of the complexities involved in plasma processing, and his contributions continue to influence the industry.