Nagoya, Japan

Tsuneo Maebara

This inventor holds 65 USPTO granted patents and 4 published patent applications, primarily in Power Conversion Technology (CPC class H03K). Top assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2009-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Maebara. Retrieved from https://idiyas.com/inventor/tsuneo-maebara

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

USPTO Granted Patents = 65 

% Patents Active = 84.6

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 230(Granted Patents)

Forward Citations (Not Self Cited) = 212(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kariya, JP (2019)
  • Nagoya, JP (2009 - 2021)

Company Filing History:


Years Active: 2009-2021

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Areas of Expertise:
Battery Monitoring
Power Converter
Switching Element
Electronic Control
Voltage Detection
Temperature Sensing
Circuit Protection
Machine Control
Discharge Control
Insulation Detection
Power Supply
Semiconductor Device
65 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Tsuneo Maebara in Electronics**

Introduction

Tsuneo Maebara, a prominent inventor based in Nagoya, Japan, has made significant strides in the field of electronics. With an impressive portfolio of 65 patents, his work has greatly advanced technology, particularly in electronic apparatuses and battery management systems.

Latest Patents

Maebara's recent innovations include two notable patents. The first patent outlines an **electronic apparatus** designed with switching elements, resonance suppression resistors, and drive circuits that efficiently manage electric charge to control terminals of the switching elements. In this invention, the unique configuration ensures rapid switching and stability, enhancing performance in electronic devices.

His second patent involves a **voltage-detecting device** applied to a battery pack, which encompasses a serially connected body of multiple battery cells. This device features several detection blocks, each monitoring the terminal voltage of individual batteries and providing critical insights into the battery pack's state. This advancement improves the reliability and efficiency of battery systems.

Career Highlights

Throughout his career, Tsuneo Maebara has been associated with leading companies such as Denso Corporation and Toyota Jidosha Kabushiki Kaisha. His experience in these prestigious firms has equipped him with the knowledge and resources to drive his innovative ideas into practical applications in the automotive and electronics sectors.

Collaborations

Maebara has collaborated with notable colleagues, including Junichi Fukuta and Yoshiyuki Hamanaka. Their teamwork and shared expertise have contributed to the development of cutting-edge technologies that continue to shape the industry.

Conclusion

Tsuneo Maebara exemplifies the spirit of innovation in electronics through his patents and collaborations. His inventions not only offer practical solutions but also pave the way for future advancements, ensuring that he remains a vital figure in the world of 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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