Company Filing History:
2 out of 1,326 
2 out of 4,631 
Years Active: 1990-2001
Title: Innovations of Yoshihisa Arakawa
Introduction
Yoshihisa Arakawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced boiler systems and fluidized bed technologies. With a total of 4 patents to his name, Arakawa's work has had a substantial impact on industrial processes.
Latest Patents
One of his latest patents is for a recovery boiler that efficiently recovers soda components from pulp spent liquor. This innovative boiler design prevents the carry-over of unburnt char and maintains a stable combustion process with low nitrogen oxide generation. By regulating the combustion air supply and feeding inert gas along the furnace side wall, the boiler creates distinct combustion zones that optimize performance.
Another significant patent is the particle movement amount controller for fluidized beds. This device is strategically placed between two fluidized beds to control the movement of particles. It features a substantially proportional characteristic without hysteresis, enhancing the efficiency of particle transfer. The design includes flow rate control nozzle pipes that regulate the amount of air emitted, ensuring precise control over the process.
Career Highlights
Throughout his career, Yoshihisa Arakawa has worked with prominent companies such as Mitsubishi Jukogyo Kabushiki Kaisha and Mitsubishi Heavy Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Arakawa has collaborated with notable colleagues, including Hirokazu Hino and Yasuhiro Yamauchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoshihisa Arakawa's contributions to engineering and technology are commendable. His innovative patents and collaborations reflect his dedication to advancing industrial processes. His work continues to influence the field and inspire future innovations.