Tokyo, Japan

Koichiro Kitagawa

This inventor holds 9 USPTO granted patents and 22 published patent applications. Top assignees: Rakuten Mobile, Inc., Rakuten Symphony, Inc.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Kitagawa. Retrieved from https://idiyas.com/inventor/koichiro-kitagawa-jwxlblm2

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

USPTO Granted Patents = 9 

% Patents Active = 44.4

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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9 patents (USPTO):Explore Patents

Title: Koichiro Kitagawa: Innovator in Telecommunication Positioning Systems

Introduction

Koichiro Kitagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of telecommunications, particularly in the area of positioning accuracy. His innovative work has led to the development of a unique system that enhances the precision of device positioning within telecommunication networks.

Latest Patents

Koichiro Kitagawa holds a patent for a "System, method, device, and program for positioning accuracy with inter-device coordination." This patent outlines a method for adaptive positioning accuracy of devices in a telecommunication network. The method involves several steps, including the transmission of positioning trigger signals and reference signals, as well as the calculation of distance and timing information by user devices. The positioning of the user device is determined based on a machine-learned location inference model and the ranging result report.

Career Highlights

Koichiro Kitagawa is currently employed at Rakuten Mobile, Inc., where he continues to push the boundaries of innovation in telecommunications. His work is instrumental in improving the accuracy and reliability of positioning systems, which are crucial for modern communication networks.

Collaborations

Throughout his career, Koichiro has collaborated with talented individuals such as Awn Muhammad and Krishna Kesavan. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in the telecommunications sector.

Conclusion

Koichiro Kitagawa's contributions to the field of telecommunications, particularly in positioning accuracy, highlight his role as an influential inventor. His innovative patent and ongoing work at Rakuten Mobile, Inc. demonstrate his commitment to advancing technology in this critical area.

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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