Tokyo, Japan

Riki Okawa

This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Ntt Docomo, Inc.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Riki Okawa. Retrieved from https://idiyas.com/inventor/riki-okawa

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

Calculating rank
USPTO Granted Patents = 1 

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Riki Okawa: Patent Inventor in Radio Communications

Introduction

Riki Okawa is an inventor based in Tokyo, Japan, associated with NTT DOCOMO, Inc. His patent work concerns terminal operations and radio communication methods, including the management of secondary cell groups.

Latest Patents

The provided information lists 1 patent for Okawa: “Terminal and Radio Communication Method.” The invention describes a terminal with a control unit that releases a secondary cell group’s resources when the group is deactivated. When the group is activated, the control unit performs a random access procedure to that group.

Career Highlights

Okawa’s listed patent reflects work on cellular communication procedures and resource management. The information provided identifies NTT DOCOMO, Inc. as his company.

Collaborations

Kouhei Harada is identified as Okawa’s coworker. The supplied information does not specify whether Harada collaborated with him on the patent.

Conclusion

Riki Okawa’s listed invention addresses how a terminal manages secondary cell group resources and access during activation and deactivation, highlighting his contribution to radio communication technology.

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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