Tokyo, Japan

Sadao Tsuji

This inventor holds 1 USPTO granted patent. Top assignee: Fuji Electric Co., Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadao Tsuji. Retrieved from https://idiyas.com/inventor/sadao-tsuji

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Sadao Tsuji: Innovator in Electric Power Supply Systems

Introduction

Sadao Tsuji is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric power supply systems, particularly in relation to induction furnaces. His innovative approach has led to advancements that enhance the efficiency and effectiveness of power supply mechanisms.

Latest Patents

Sadao Tsuji holds a patent for a "System of supplying electric power to induction furnace." This system allows for the direct supply of required heating power to an induction furnace from an AC synchronous generator driven by a prime mover, such as a diesel engine, via a single-phase coil. The system features an automatic voltage regulator that continuously varies the voltage supplied to the coil, thereby adjusting the heating power accordingly. Additionally, the frequency of the supplied voltage is also made variable through an automatic frequency regulator, ensuring optimal performance during operation.

Career Highlights

Throughout his career, Sadao Tsuji has been associated with Fuji Electric Co., Ltd., where he has contributed to various projects and innovations. His work has been instrumental in developing systems that improve the functionality of induction furnaces, making them more efficient and reliable.

Collaborations

Sadao Tsuji has collaborated with notable colleagues such as Takayuki Hira and Shizuo Hayashi. These collaborations have fostered an environment of innovation and have led to the development of advanced technologies in the field of electric power supply.

Conclusion

Sadao Tsuji's contributions to the field of electric power supply systems, particularly through his patent on induction furnaces, highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in technology.

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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