Kashima, Japan

Fumio Ohtake

This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Metal Industries, Inc., Shimizu Construction Co., Ltd.. Active years: 1986-1993.

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

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 = 7.5

ph-index = 2

Forward Citations = 36(Granted Patents)


Location History:

  • Chiba, JP (1986)
  • Kashima, JP (1993)

Company Filing History:


Years Active: 1986-1993

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2 patents (USPTO):Explore Patents

Title: **Fumio Ohtake: Pioneering Earthquake-Resistant Innovations**

Introduction

Fumio Ohtake, an innovative inventor based in Kashima, Japan, has made significant contributions to the field of structural engineering with his inventive designs, particularly in earthquake resistance and construction materials. His work is characterized by a unique approach that combines strength and efficiency, culminating in two patents that showcase his expertise.

Latest Patents

Ohtake's most notable inventions include a groundbreaking approach to earthquake-resistant multi-story buildings and a method for producing lightweight I-beams. The earthquake-resistant building patent introduces an energy concentration story that is capable of absorbing vibration energy through plastic deformations, thereby minimizing deformations in other parts of the structure when faced with substantial external forces. This design enhances safety and stability in regions prone to seismic activity.

In his second patent, Ohtake presents a method for producing I-beams with a centrally corrugated web. By corrugating the central portion, he successfully reduces the beam's weight while maintaining its structural integrity. This innovation not only optimizes material usage but also supports the development of lighter, more efficient construction elements.

Career Highlights

Throughout his career, Fumio Ohtake has worked with prominent companies such as Sumitomo Metal Industries, Inc. and Shimizu Construction Co., Ltd. His experience in these organizations has honed his expertise in structural design and reinforced his commitment to advancing construction technology.

Collaborations

Ohtake has collaborated with talented professionals in his field, including Toshio Uno and Yoshitaka Yabe. These partnerships have fostered the exchange of ideas and furthered the progress of innovative solutions to complex structural challenges.

Conclusion

Fumio Ohtake's inventive spirit and dedication to enhancing building safety and efficiency through his patented technologies have established him as a noteworthy figure in the realm of engineering. His contributions not only represent a significant advancement in earthquake-resistant constructions but also reflect a broader commitment to innovation in the construction 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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