This inventor holds 2 USPTO granted patents. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Electric Power Development Co., Ltd.. Active years: 1981-1987.
Company Filing History:
2 out of 3,448 
1 out of 44 
Years Active: 1981-1987
Title: Chiaki Nagai: Innovator in Coal Ash Recovery and Emission Reduction
Introduction
Chiaki Nagai is a prominent inventor based in Kobe, Japan. She has made significant contributions to the field of environmental technology, particularly in the recovery of fuel from coal ash and the reduction of harmful emissions from coal-burning processes. With a total of 2 patents, her work addresses critical issues in energy production and environmental protection.
Latest Patents
Chiaki Nagai's latest patents include a method for recovering fuel from coal ash and a process for removing nitrogen oxides and sulfur oxides using ammonia. The first patent describes a method that involves adding water, a binder, and a surfactant to coal ash collected from various types of boilers. This mixture is agitated to form coarse particles rich in carbon, which are then separated from fine particles high in ash content. The second patent focuses on the catalytic reduction of nitrogen oxides in exhaust gas from coal-burning boilers, where ammonium compounds in coal ashes are decomposed to release ammonia, which is recycled for further use in the emission reduction process.
Career Highlights
Throughout her career, Chiaki Nagai has worked with notable companies such as Kawasaki Jukogyo Kabushiki Kaisha and Electric Power Development Co., Ltd. Her experience in these organizations has allowed her to develop innovative solutions that address both energy efficiency and environmental sustainability.
Collaborations
Chiaki has collaborated with esteemed colleagues, including Kihachiro Igarashi and Takashi Ikeda. These partnerships have contributed to her success in developing effective technologies for coal ash recovery and emission reduction.
Conclusion
Chiaki Nagai's innovative work in the field of environmental technology highlights her commitment to addressing pressing energy and environmental challenges. Her patents reflect a deep understanding of the complexities involved in coal combustion and its impact on the environment.