Kawasaki, Japan

Tatsuya Urushiyama

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Fujitsu Corporation. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Urushiyama. Retrieved from https://idiyas.com/inventor/tatsuya-urushiyama

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

USPTO Granted Patents = 2 

 

Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014

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2 patents (USPTO):Explore Patents

Title: Tatsuya Urushiyama: Innovator in Mobile Communication Technology

Introduction

Tatsuya Urushiyama is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of mobile communication technology. With a total of 2 patents, Urushiyama's work focuses on enhancing communication systems and mobile terminal devices.

Latest Patents

Urushiyama's latest patents include a mobile terminal device designed for communication with other terminal devices via multiple base stations. This innovative device captures radio communication signals from nearby mobile terminal devices to determine the appropriate radio access technology. The processor within the device controls communication by prioritizing available radio access technologies and establishing optimal communication conditions.

Another notable patent is a communication system that features a first base station and a second base station, each operating under different communication protocols. This system allows for synchronization of radio frames and includes a mobile terminal that can estimate transmitting timing and measure receiving signal strength. This technology facilitates seamless handover between base stations, ensuring reliable communication.

Career Highlights

Urushiyama is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge technologies in mobile communications. His work has been instrumental in advancing the capabilities of mobile devices and communication systems.

Collaborations

Throughout his career, Urushiyama has collaborated with notable colleagues, including Takeshi Kawagishi and Hiroshi Sasaki. These partnerships have contributed to the successful development of innovative technologies in the field.

Conclusion

Tatsuya Urushiyama is a key figure in the realm of mobile communication technology. His patents reflect a commitment to improving communication systems and enhancing user experience. His contributions continue to shape the future of mobile 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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