This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Machinery and Engineering, Ltd., The Tokyo Electric Power Company, Incorporated. Active years: 1990-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 42,731 
1 out of 1 
1 out of 177 Years Active: 1990-1995
Title: Innovations of Yoshio Sumiya
Introduction
Yoshio Sumiya is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of engineering, particularly in the development of technologies related to steam turbines and heat exchangers. With a total of 3 patents to his name, Sumiya's work reflects a commitment to innovation and efficiency.
Latest Patents
One of Sumiya's latest patents is for a condenser for a steam turbine and a method of operating such a condenser. This invention addresses the issue of contamination in the main condenser condensate by oxygen-rich water during the start-up period of the turbine. By preventing gland steam condensate from entering the main condenser condensate, Sumiya's design enhances the operational efficiency of steam turbines.
Another significant patent is for an apparatus designed to collect cleaning bodies in a tubular heat exchanger. This apparatus is capable of efficiently collecting cleaning bodies while preventing the adhesion and stagnation of debris in the cooling water. The innovative design includes a rectifying member that regulates the flow of cooling water, ensuring that only cleaning bodies are collected without obstruction.
Career Highlights
Throughout his career, Yoshio Sumiya has worked with prominent companies such as Hitachi, Ltd. and Tokyo Electric Power Company. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in energy and engineering sectors.
Collaborations
Sumiya has collaborated with esteemed colleagues, including Yasuo Fujitani and Katsumoto Otake. These partnerships have fostered a creative environment that has led to the development of innovative solutions in their respective fields.
Conclusion
Yoshio Sumiya's contributions to engineering through his patents demonstrate his dedication to innovation and problem-solving. His work continues to influence the industry, showcasing the importance of inventive thinking in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile