Hitachinaka, Japan

Tsuyoshi Harada

This inventor holds 6 USPTO granted patents. Top assignees: Hitachi Automotive Systems, Ltd., Honda Motor Co., Ltd.. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Harada. Retrieved from https://idiyas.com/inventor/tsuyoshi-harada-gbzvfj7r

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Hitachinaka, JP (2015 - 2022)
  • Wako, JP (2022)

Company Filing History:


Years Active: 2015-2025

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6 patents (USPTO):Explore Patents

Title: Innovations of Inventor Tsuyoshi Harada

Introduction: Tsuyoshi Harada is a prominent inventor based in Hitachinaka, Japan, recognized for his contributions to the field of motor technology. With a portfolio of five patents, Harada has made significant advancements in motor units and control devices that enhance performance and efficiency.

Latest Patents: Among his latest inventions, Harada developed a motor unit featuring a rotary electrical machine, comprising a cylindrical stator, a coaxial rotor, and a casing that envelops these components. This innovative design includes a drive unit that integrates a swell portion fixed to the casing's circumferential surface, which contributes to the overall functionality of the motor unit. Additionally, he has designed a motor control device that optimizes voltage levels to minimize electric power losses in systems involving inverters, motors, and converters. This device includes components that assess optimal and lowest input voltages to maintain performance at various operating temperatures.

Career Highlights: Tsuyoshi Harada has worked with notable companies in the automotive and engineering sectors, including Hitachi Automotive Systems and Honda Motor Co., Ltd. His work in these organizations has substantially influenced the development of modern motor applications.

Collaborations: Throughout his career, Harada has collaborated with distinguished colleagues, such as Manabu Yazaki and Tomoyuki Suzuki. These partnerships have fostered a creative environment that has led to several innovations in motor technology.

Conclusion: Tsuyoshi Harada stands out as an influential inventor whose patents continue to drive advancements in motor units and control systems. His work not only reflects his expertise in the field but also contributes to the ongoing evolution of efficient technologies within the automotive industry.

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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