This inventor holds 3 USPTO granted patents. Top assignee: Doryokuro Kakunenryo Kaihatsu Jigyodan. Active years: 1992-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (1992)
- Suginami, JP (1995)
- Hitachinaka, JP (1996)
Company Filing History:
Years Active: 1992-1996
Title: Masayuki Yoneya: Innovator in Radioactive Waste Management
Introduction
Masayuki Yoneya is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of radioactive waste management, particularly through his innovative methods for treating high-level radioactive liquid waste. With a total of 3 patents, Yoneya's work is crucial for enhancing safety and efficiency in nuclear waste processing.
Latest Patents
Yoneya's latest patents include a method of vitrifying high-level radioactive liquid waste. This method involves removing a precipitate composed mainly of molybdenum (Mo) and zirconium (Zr) from the waste. The resulting liquid waste is then mixed with a raw glass material that has specific chemical composition ratios. This process allows for the formation of vitrified waste with a waste content of about 45% by oxide weight, ensuring a leaching rate comparable to conventional vitrified waste.
Another significant patent is a method for separating and recovering ruthenium from high-level radioactive liquid waste. This method utilizes constant potential electrolysis to recover volatile ruthenium, which is then precipitated as ruthenium oxide. This innovative approach not only enhances the recovery of valuable materials but also contributes to the overall safety of nuclear waste management.
Career Highlights
Masayuki Yoneya is associated with Doryokuro Kakunenryo Kaihatsu Jigyodan, where he continues to develop and refine his innovative methods. His work is recognized for its potential to improve the handling of radioactive materials, thereby contributing to environmental safety and sustainability.
Collaborations
Yoneya has collaborated with notable colleagues such as Kazuhiro Kawamura and Masahiro Fukumoto. Their combined expertise in the field has led to advancements in the technologies used for radioactive waste management.
Conclusion
Masayuki Yoneya's contributions to the field of radioactive waste management through his innovative patents are invaluable. His work not only addresses critical challenges in the industry but also paves the way for safer and more efficient waste processing methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile