Katsuta, Japan

Akira Horie

This inventor holds 20 USPTO granted patents. Top assignees: Hitachi, Ltd., Hiatchi, Ltd., Hitachi Mito Engineering Co., Ltd.. Active years: 1985-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Horie. Retrieved from https://idiyas.com/inventor/akira-horie

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


% Patents Active = 90.0

Average Co-Inventor Count = 3.9

ph-index = 10

Forward Citations = 276(Granted Patents)


Location History:

  • Katsuta, JP (1985 - 1999)
  • Hitachinaka, JP (1997 - 2007)
  • Tokyo, JP (2003 - 2014)

Company Filing History:


Years Active: 1985-2014

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20 patents (USPTO):Explore Patents

Title: Akira Horie: Innovator in Railway Control Technologies

Introduction

Akira Horie, an esteemed inventor based in Katsuta, Japan, is renowned for his contributions to railway vehicle technology. With a remarkable portfolio of 20 patents, Horie's innovations are pivotal in enhancing the efficiency and safety of electric railcars.

Latest Patents

Among Horie's most recent patents is a Drive device for railway vehicle, which introduces a sophisticated control mechanism for railway vehicles. This device manages an inverter based on the direct-current link voltage between the terminals of a filter capacitor. Additionally, it accurately distinguishes between the voltage from power storage equipment and the overhead wire voltage, ensuring optimal performance during regeneration. Another significant innovation is the Control apparatus for electric railcar, which regulates the motor's torque and current according to its rotational speed, thus improving the reliability and response of the electric railcar under varying operational conditions.

Career Highlights

Horie has gained valuable experience working with renowned companies, including Hitachi, Ltd. and Hitachi Mito Engineering Co., Ltd. His expertise in electrical engineering and control systems has contributed significantly to these organizations and the railway industry.

Collaborations

Throughout his career, Horie has collaborated with notable colleagues such as Kiyoshi Nakata and Syuuji Saitoo. This collaboration has fostered a culture of innovation and excellence in railway technology, pushing the boundaries of what is possible.

Conclusion

Akira Horie stands out as a visionary inventor, whose technologies have set new standards in the field of railway vehicles. His patents not only reflect his technical skills but also his commitment to advancing the railway sector. As the industry continues to evolve, Horie's contributions will undoubtedly play a crucial role in shaping its future.

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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