Tokyo, Japan

Hirotaka Tsubakihara

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Tsubakihara. Retrieved from https://idiyas.com/inventor/hirotaka-tsubakihara

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Hirotaka Tsubakihara: Innovator in Partial Discharge Measurement Technology

Introduction

Hirotaka Tsubakihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the area of partial discharge measurement technology. His innovative work has led to the development of a patented apparatus that enhances the reliability of electrical machines.

Latest Patents

Hirotaka Tsubakihara holds a patent for a "Partial discharge measurement apparatus, partial discharge measurement method, and partial discharge measurement system." This invention provides a sophisticated solution for detecting partial discharges in rotating electrical machines that supply or receive power through insulated conductors. The apparatus includes a calibration signal generator, a sensor, a compensation processor, and a signal processor. The calibration signal generator supplies a calibration signal to the insulating layer of the conductor, while the sensor measures physical quantities related to the partial discharge. The compensation processor generates a compensation coefficient based on the sensor's output, and the signal processor processes this output accordingly. Tsubakihara's patent represents a significant advancement in ensuring the operational integrity of electrical systems.

Career Highlights

Throughout his career, Hirotaka Tsubakihara has worked with prominent companies, including Toshiba Corporation and Toshiba Energy Systems & Solutions Corporation. His experience in these organizations has allowed him to develop and refine his expertise in electrical engineering and innovation.

Collaborations

Hirotaka has collaborated with esteemed colleagues such as Akira Fujimoto and Takashi Harakawa. Their combined efforts have contributed to advancements in technology and innovation within the electrical engineering sector.

Conclusion

Hirotaka Tsubakihara is a distinguished inventor whose work in partial discharge measurement technology has made a lasting impact on the field of electrical engineering. His innovative solutions continue to enhance the reliability and efficiency of electrical machines.

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]
Loading…