This inventor holds 3 USPTO granted patents. Top assignees: Doryokuro Kakunenryo Kaihatsu Jigyodan, Institute of Research and Innovation, Japan Nuclear Cycle Development Institute. Active years: 1995-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Naka-gun, JP (1998)
- Ibaraki, JP (1995 - 2005)
Company Filing History:
2 out of 196 
1 out of 3 
1 out of 55 Years Active: 1995-2005
Title: Innovations of Masayuki Watanabe in Radioactive Waste Management
Introduction
Masayuki Watanabe is a notable inventor based in Ibaraki, Japan, recognized for his contributions to the field of radioactive waste management. He holds three patents that focus on the efficient separation and recovery of valuable elements from radioactive liquid wastes. His innovative methods aim to enhance safety and sustainability in handling hazardous materials.
Latest Patents
Watanabe's latest patents include a method for the separation and recovery of elements from radioactive liquid wastes. This method involves bringing high-level radioactive liquid waste into contact with a solid absorbent containing organophosphorus compounds. The process allows for the absorption of target elements such as Americium, Curium, Zirconium, Molybdenum, Palladium, and rare earth elements. Following this, an elution step with an acidic solution enables the recovery of these elements efficiently and economically.
Another significant patent is the method of separating trivalent actinides and rare earth elements using a CMPO-TBP mixed solvent in the TRUEX method. This process includes extracting trivalent actinides and rare earth elements from highly acidic waste generated by reprocessing spent nuclear fuel. The method also involves reducing the nitric acid concentration of the solvent and separating the extracted elements.
Career Highlights
Throughout his career, Watanabe has worked with various organizations, including Doryokuro Kakunenryo Kaihatsu Jigyodan and the Institute of Research and Innovation. His work has significantly impacted the field of nuclear waste management, contributing to safer and more effective methods of handling radioactive materials.
Collaborations
Watanabe has collaborated with notable colleagues such as Yoshikazu Koma and Shinichi Nemoto. These partnerships have fostered innovation and advancements in the technologies related to radioactive waste management.
Conclusion
Masayuki Watanabe's innovative patents and career contributions highlight his commitment to improving the safety and efficiency of radioactive waste management. His work continues to influence the field and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile