Hitachi, Japan

Hitoshi Sakuma

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Sakuma. Retrieved from https://idiyas.com/inventor/hitoshi-sakuma-or02muez

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Hitoshi Sakuma: Innovator in Reactor Core Coolant Flow Control Systems

Introduction

Hitoshi Sakuma is a notable inventor based in Hitachi, Japan, recognized for his contributions to nuclear power technology. With a focus on enhancing the efficiency and safety of boiling water reactors (BWR), Sakuma's work has significant implications for the energy sector.

Latest Patents

Among his inventions, Sakuma holds a patent for a "Reactor core coolant flow rate control system for a BWR type nuclear power plant." This innovative system is designed to optimize the coolant flow rate, thereby improving the operational efficiency of BWR power plants. The system integrates several advanced components, including an internal pump driving unit powered by an electric motor derived from a turbine-driven generator. This groundbreaking invention aims to enhance the control over the coolant flow, ensuring stable and efficient reactor operations.

Career Highlights

Sakuma has built his career with remarkable affiliations at leading companies in the engineering and technology sectors. He has worked for Hitachi, Ltd. and Hitachi Engineering Co., Ltd., where he contributed to several projects aimed at advancing nuclear energy technologies. His experience in such esteemed organizations has solidified his expertise and commitment to innovation in energy solutions.

Collaborations

Throughout his career, Sakuma has collaborated with esteemed professionals, including Naoshi Tanikawa and Tetsuya Miyakawa. These collaborations have likely fostered a productive exchange of ideas and solutions, further driving advancements in the field.

Conclusion

Hitoshi Sakuma stands out as an influential figure in the realm of nuclear power technology through his innovative patent for a reactor core coolant flow rate control system. His contributions continue to play a crucial role in enhancing the efficiency and safety of nuclear power plants. As the energy landscape evolves, Sakuma's inventions serve as a testament to the importance of innovation in meeting global energy demands.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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