Tokyo, Japan

Toshikazu Yamada

This inventor holds 9 USPTO granted patents. Top assignees: Kajima Corporation, Hitachi Metals, Ltd., Hitachi Kizai, Inc.. Active years: 1990-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Yamada. Retrieved from https://idiyas.com/inventor/toshikazu-yamada

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 = 6.2

ph-index = 8

Forward Citations = 144(Granted Patents)


Location History:

  • Akishima, JP (1990 - 1991)
  • Tokyo, JP (1990 - 2003)

Company Filing History:


Years Active: 1990-2003

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9 patents (USPTO):Explore Patents

Title: Innovations by Toshikazu Yamada

Introduction

Toshikazu Yamada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of architectural engineering, particularly in the development of damper devices for buildings. With a total of nine patents to his name, Yamada's work focuses on enhancing the safety and stability of structures during seismic events and high winds.

Latest Patents

Yamada's latest patents include a damper device for buildings and a monitor and control system for the damper device. The oil pressure damper device is designed for architectural structures and features a monitoring system that does not require an exclusive network for communication. This innovation allows for the monitoring of operations regardless of the distance between the damper devices and the monitoring system. The device includes a detection unit that assesses the conditions of the damper, a communication unit that transmits information through public or local area networks, and a monitor that receives this information to ensure the proper functioning of the damper devices.

Another notable patent is the safety monitoring method for use in active seismic response and wind control systems. This device measures the work done by a seismic response control force and determines whether the control is being executed correctly. If any abnormalities are detected, a stop signal is generated to halt the system, thereby ensuring the safety of the structure.

Career Highlights

Throughout his career, Toshikazu Yamada has worked with esteemed companies such as Kajima Corporation and Hitachi Metals, Ltd. His experience in these organizations has allowed him to refine his expertise in structural engineering and innovation.

Collaborations

Yamada has collaborated with notable colleagues, including Kuniaki Sato and Koji Ishii. Their joint efforts have contributed to the advancement of technologies aimed at improving building safety and performance.

Conclusion

Toshikazu Yamada's innovative work in the field of architectural engineering has led to significant advancements in safety monitoring and control systems for buildings. His contributions continue to influence the industry and enhance the resilience of structures against natural disturbances.

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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