Hitachi, Japan

Masahiro Watanabe

This inventor holds 25 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Energy Management Systems. Top assignees: Hitachi, Ltd., Hitachi Cable, Inc., Shin-Kobe Electric Machinery Co., Ltd.. Active years: 1995-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Watanabe. Retrieved from https://idiyas.com/inventor/masahiro-watanabe-vv70d

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

USPTO Granted Patents = 25 

% Patents Active = 44.0

 

Average Co-Inventor Count = 3.8

ph-index = 7

Forward Citations = 148(Granted Patents)


Company Filing History:


Years Active: 1995-2019

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Areas of Expertise:
Accumulator Device
Power Conversion
Energy Management
Distributed Energy Resources
Storage Battery
Wind Power Generation
Control Apparatus
Voltage Measuring
Electric Power System
Charge/Discharge Control
Natural Energy Utilization
Power Demand-Supply Management
25 patents (USPTO):Explore Patents

Title: The Innovations of Masahiro Watanabe: A Pioneer in Accumulator Technology

Introduction

Masahiro Watanabe, an esteemed inventor based in Hitachi, Japan, has made significant contributions to the field of accumulator technology. With an impressive portfolio of 25 patents, Watanabe's work focuses on enhancing the efficiency and reliability of power systems through innovative devices and methods.

Latest Patents

Watanabe's most recent patents include the "Accumulator device" and the "State of charge evaluation apparatus and method for accumulator." These innovations aim to optimize the charging and discharging processes of accumulators. By developing models for different deterioration degrees, Watanabe's method provides a way to estimate the state of charge accurately, which is crucial for ensuring the sustained performance of accumulators. His other notable invention, the "Power monitor and control apparatus," enhances the resilience of power distribution systems. This apparatus ensures that, in case of a failure in the electric-power system, power sources connected to the power-distributing feeder can continue to supply their load, thereby maintaining essential services.

Career Highlights

Throughout his illustrious career, Watanabe has been associated with prominent companies, notably Hitachi, Ltd. and Hitachi Cable, Inc. His innovative spirit and technical expertise have earned him recognition in his field, reflecting a commitment to advancing technology in power management systems.

Collaborations

Watanabe has collaborated with notable colleagues such as Yasuo Sato and Yasushi Tomita, contributing to various projects and innovations in the realm of power systems. This collaborative environment has fostered the development of cutting-edge technologies aimed at improving energy efficiency and reliability.

Conclusion

Masahiro Watanabe stands as a beacon of innovation in accumulator technology. His groundbreaking patents and collaborative efforts mark significant advancements in the field, ensuring that power systems are more efficient and resilient. As technology continues to evolve, Watanabe's contributions will undoubtedly influence future developments in energy storage and distribution.

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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