Kamakura, Japan

Rieko Iwatsubo

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rieko Iwatsubo. Retrieved from https://idiyas.com/inventor/rieko-iwatsubo

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 = 133(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Innovator Rieko Iwatsubo: Pioneering Power Distribution Solutions

Introduction: Rieko Iwatsubo, an accomplished inventor based in Kamakura, Japan, has made significant contributions to the field of power distribution technology. As a dedicated member of Mitsubishi Electric Corporation, she has focused her efforts on developing innovative solutions that optimize energy efficiency and control.

Latest Patents: Rieko Iwatsubo holds a patent for a "Demand Control Apparatus and Power Distribution Control System." This invention addresses the need for effective power management by suppressing the total working current in a group of loads to a predefined level. The system is designed to communicate effectively through a central terminal and multiple customer communication terminals, facilitating real-time responses to power reduction requests.

Career Highlights: As an inventor at Mitsubishi Electric Corporation, Rieko has demonstrated her commitment to advancing technology in the energy sector. Her work focuses not just on creating inventions but also on ensuring they are practical and beneficial for real-world applications.

Collaborations: Rieko has collaborated with esteemed colleagues such as Kazuhiro Maruyama and Masahiro Inoue. Together, they have worked on innovative projects that aim to enhance the capabilities of power distribution systems, showcasing a team effort that blends diverse expertise.

Conclusion: Rieko Iwatsubo's contributions as an inventor continue to shape the landscape of power distribution. Through her patent and collaborative work at Mitsubishi Electric Corporation, she exemplifies the spirit of innovation and the importance of advancing technology for the greater good. Her dedication to developing effective solutions illustrates the vital role inventors play in our society.

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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