Okayama, Japan

Koji Oka

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Kse Network Co., Ltd., Ohmoto Gumi Co., Ltd., Ssd Corporation. Active years: 2005-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Oka. Retrieved from https://idiyas.com/inventor/koji-oka-1nx4bgn0

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 5.3

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2005-2023

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3 patents (USPTO):Explore Patents

Title: Koji Oka: Innovator in Reinforced Concrete Structures

Introduction

Koji Oka is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of reinforced concrete structures, holding a total of 3 patents. His innovative designs focus on enhancing the durability and structural integrity of column and beam frames.

Latest Patents

Oka's latest patents include a "Reinforced structure for column and beam frame" and a "Structure for joining column and beam frame and shear wall." The first patent addresses the prevention of fractures caused by fatigue in connecting portions of reinforcing frames. This design utilizes a steel reinforcing frame that surrounds the inner circumferential surface of the frame, ensuring stability despite relative displacements. The second patent enhances the transmission capability of shear forces between a shear wall and the column and beam frame, integrating a plate that improves structural performance.

Career Highlights

Throughout his career, Koji Oka has worked with prestigious institutions, including the University of Tokyo. His work has been instrumental in advancing the understanding and application of reinforced concrete structures.

Collaborations

Oka has collaborated with notable colleagues such as Hitoshi Shiohara and Masaomi Teshigawara, contributing to various projects that push the boundaries of engineering and design.

Conclusion

Koji Oka's innovative patents and collaborations highlight his commitment to improving reinforced concrete structures. His work continues to influence the field and inspire future innovations.

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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