Otemachi, Japan

Tohru Futakawa

This inventor holds 1 USPTO granted patent. Top assignees: Fujitsu Corporation, Shindengen Electric Mfg., Co., Ltd.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Futakawa. Retrieved from https://idiyas.com/inventor/tohru-futakawa

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Tohru Futakawa: Innovator in DC-DC Conversion Technology

Introduction

Tohru Futakawa, an inventive mind based in Ohtemachi, Japan, has made significant strides in the field of electrical engineering. With a focus on improving the safety and efficiency of DC-DC converters, Futakawa holds one notable patent that demonstrates his technical ingenuity and commitment to innovation.

Latest Patents

Tohru Futakawa's patent revolves around an overcurrent protecting device for use in DC-DC converters. This invention addresses critical challenges in protecting components during overload conditions. The patent describes a PWM control circuit that outputs oscillation signals, effectively managing the operation of a main switch and a flywheel switch. Importantly, the invention includes a state detecting unit that generates signals to ensure the flywheel switch is deactivated during power-down situations or overload scenarios, thereby safeguarding it from damage. With this invention, Futakawa contributes to the reliability of DC-DC converters in various applications.

Career Highlights

Throughout his career, Tohru Futakawa has worked with prominent companies including Fujitsu Corporation and Shindengen Electric Manufacturing Co., Ltd. His experiences at these organizations have likely enriched his expertise in electrical systems and innovations, leading to the development of his patent. His journey as an inventor reflects a blend of practical experience and creative problem-solving in electronic design.

Collaborations

Tohru Futakawa has collaborated with talented professionals like Hiroshi Shimamori and Sentarou Tokimi. These partnerships have enabled him to enhance his inventions and contribute to advancements in the electrical engineering field. The exchange of ideas and technical skills among these innovators underscores the collaborative spirit inherent in technological advancements.

Conclusion

In summary, Tohru Futakawa stands out as an innovative inventor with a critical patent in the realm of DC-DC converters. His work not only addresses pressing challenges in electrical engineering but also illustrates the importance of collaboration and experience in fostering innovation. As technology continues to evolve, Futakawa's contributions will likely play a role in shaping future developments in power electronics.

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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