Tokyo, Japan

Eiichi Morioka

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Komatsu Corporation, The University of Tokyo. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Morioka. Retrieved from https://idiyas.com/inventor/eiichi-morioka

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 = 4.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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5 patents (USPTO):Explore Patents

Title: Eiichi Morioka: Innovator in Tunnel Excavation Technology

Introduction

Eiichi Morioka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of tunnel excavation technology, holding a total of 5 patents. His innovative designs and methods have advanced the efficiency and safety of underground construction.

Latest Patents

Morioka's latest patents include a tunnel excavation device and a measurement system for excavated materials. The tunnel excavation device features a front body section equipped with a cutter head, which includes multiple roller cutters. This device is designed to enhance the excavation process by utilizing a gripper section that obtains a reaction force for effective digging. Additionally, his measurement system accurately assesses the grade of excavated materials from underground tunnels, ensuring that mining operations adhere to planned geological surveys.

Career Highlights

Throughout his career, Morioka has worked with notable organizations, including Komatsu Corporation and the University of Tokyo. His experience in these institutions has allowed him to collaborate with leading experts in the field and contribute to groundbreaking research and development.

Collaborations

Morioka has collaborated with esteemed colleagues such as Shinichi Terada and Naoki Sekiyama. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Eiichi Morioka's contributions to tunnel excavation technology exemplify his dedication to innovation and engineering excellence. His patents reflect a commitment to improving the efficiency and safety of underground construction practices.

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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