This inventor holds 1 USPTO granted patent. Top assignees: Japan Coal Energy Center, Kawasaki Jukogyo Kabushiki Kaisha, Kawasaki Plant Systems Kabushiki Kaisha. Active years: 2012.
Company Filing History:
1 out of 1 
1 out of 3,448 
1 out of 5 Years Active: 2012
Title: Masahiko Doi: Innovator in Coal Ash Processing
Introduction
Masahiko Doi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of coal ash processing, particularly through his innovative patent that addresses the challenges associated with coal ash utilization.
Latest Patents
Doi holds a patent for a process for producing granular solid matter from coal ash as raw material and the apparatus for this process. This method involves estimating the hydration reactivity of coal ash with high precision. It also determines the amount of milling water required to obtain a milling product in funicular form during the milling stage. The patent outlines a molding method that avoids adhesion issues to a pressurization board after milling. The process includes transferring coal ash to either a raw ash silo or a waste ash silo based on specific reactivity criteria. The raw ash is then milled with the addition of lime and gypsum, with careful regulation of milling water to optimize the milling process.
Career Highlights
Throughout his career, Masahiko Doi has worked with prominent companies such as Kawasaki Plant Systems and the Japan Coal Energy Center. His experience in these organizations has contributed to his expertise in coal ash processing and innovation.
Collaborations
Doi has collaborated with notable colleagues, including Noboru Takikawa and Yasunori Shibata. Their combined efforts have further advanced the field of coal ash utilization.
Conclusion
Masahiko Doi's innovative work in coal ash processing exemplifies the importance of research and development in environmental sustainability. His contributions through patents and collaborations continue to influence the industry positively.