Takatsuki, Japan

Fumio Iwamoto

This inventor holds 3 USPTO granted patents. Top assignees: Sumitomo Precision Products Co., Ltd., Railway Technical Research Institute. Active years: 1994-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Iwamoto. Retrieved from https://idiyas.com/inventor/fumio-iwamoto-ilf875l7

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Hyogo, JP (1994)
  • Takatsuki, JP (1996 - 1997)

Company Filing History:


Years Active: 1994-1997

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3 patents (USPTO):Explore Patents

Title: Fumio Iwamoto: Innovator in Magnetically Levitated Vehicle Technology

Introduction

Fumio Iwamoto is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of magnetically levitated vehicles, holding a total of 3 patents. His innovative designs focus on enhancing the comfort and efficiency of these advanced transportation systems.

Latest Patents

Iwamoto's latest patents include a leg apparatus for magnetically levitated vehicles. This apparatus allows for the supporting wheel to be lifted and lowered freely, utilizing a swing arm and a lifting actuator. The design incorporates a flat spring with a damper and coil spring, providing a buffer that enhances the riding experience. The leg can be fully retracted with a short stroke, and the vehicle height can be adjusted accordingly. Additionally, the apparatus is equipped with a damper or spring within a fire prevention wall, which absorbs shocks when transitioning between high and low speeds. This innovative design minimizes operational friction, resulting in a more comfortable ride.

Another patent by Iwamoto describes a structure where wheels are pivotally supported by a fork arm. This includes an expandable lifting actuator that buffers and supports the wheels. The design allows for complete retraction of the wheels, making it versatile for both vertical support and mechanical guidance along the guideway. The guide leg apparatus can also function in emergencies, ensuring safety and efficiency during operation.

Career Highlights

Throughout his career, Iwamoto has worked with prominent companies such as Sumitomo Precision Products Co., Ltd. and the Railway Technical Research Institute. His experience in these organizations has contributed to his expertise in developing innovative solutions for transportation technologies.

Collaborations

Iwamoto has collaborated with notable colleagues, including Shoji Iwai and Kazuhiro Oda. Their combined efforts have further advanced the field of magnetically levitated vehicles.

Conclusion

Fumio Iwamoto's contributions to the field of magnetically levitated vehicles demonstrate his innovative spirit and commitment to enhancing transportation technology. His patents reflect a deep understanding of engineering principles and a dedication to improving the user experience.

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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