Kobe, Japan

Hideo Tamamori

This inventor holds 14 USPTO granted patents, primarily in Railway Valve Technology. Top assignee: Nippon Air Brake Co., Ltd.. Active years: 1982-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Tamamori. Retrieved from https://idiyas.com/inventor/hideo-tamamori

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 46(Granted Patents)


Location History:

  • Suzurandai, JP (1990)
  • Kita, JP (1990)
  • Kobe, JP (1982 - 1992)

Company Filing History:


Years Active: 1982-1992

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Areas of Expertise:
Fluid Pressure Control
Railway Vehicles
Moisture-Removal Device
Actuating Cylinder
Pressure Control Valve
Load Dependent Valve
Equalizer Discharge Valve
Self-Lapping Control Valve
Change-Over Valve
Compound Check Valve
Diaphragm Piston Valve
Force Multiplication Mechanism
14 patents (USPTO):Explore Patents

Title: Hideo Tamamori: Innovator in Railway Technology

Introduction

Hideo Tamamori is a prominent inventor based in Kobe, Japan, known for his significant contributions to railway technology. With a total of 14 patents to his name, Tamamori has played a crucial role in advancing the efficiency and functionality of railway systems.

Latest Patents

Two of his latest inventions include a fluid pressure control valve device for railway cars and a variable load valve for railway vehicles. The fluid pressure control valve device is designed to adjust the output pressure of a piston valve assembly, allowing for changes in accordance with the speed of the railway car. This innovation utilizes an arrangement for modifying the axial position of a variable area piston, ensuring optimal performance under varying operational conditions. Similarly, the variable load valve device adapts the output pressure based on the different load weights of the railway car, effectively enhancing the safety and reliability of train operations.

Career Highlights

Hideo Tamamori's career has been significantly linked to Nippon Air Brake Co., Ltd., where he has leveraged his expertise in engineering to develop innovative solutions for the railway industry. His focus on enhancing control systems has made him a pivotal figure in the advancement of railway safety and performance.

Collaborations

Throughout his career, Tamamori has collaborated with other talented engineers and inventors, including Mitsuhiro Ikeda and Rikisaburo Nagai. Together, they have contributed to numerous advancements in railway technology, collectively aiming to improve operational efficiencies and ensure passenger safety across various railway systems.

Conclusion

Hideo Tamamori's work exemplifies the spirit of innovation in the railway sector. His patents not only demonstrate his inventive prowess but also underscore his commitment to enhancing the safety and performance of railway vehicles. With ongoing contributions to the field, Tamamori continues to inspire future generations of inventors and engineers.

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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