Kamifukuoka, Japan

Masashi Usami

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignees: Kddi Corporation, Kddi R&d Laboratories, Inc., University of California. Active years: 2002-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Usami. Retrieved from https://idiyas.com/inventor/masashi-usami-lm1vipnn

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


% Patents Active = 50.0


Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 112(Granted Patents)


Location History:

  • Saitama, JP (2004 - 2005)
  • Kamifukuoka, JP (2002 - 2007)
  • Tokyo, JP (2009)

Company Filing History:


Years Active: 2002-2009

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10 patents (USPTO):Explore Patents

Title: Masashi Usami: Pioneering Innovations in Data Transmission

Introduction

Masashi Usami, an esteemed inventor based in Kamifukuoka, Japan, has made significant contributions to the field of data transmission technologies. With a remarkable portfolio of 10 patents, he has demonstrated a profound ability to innovate in the realm of optical communications.

Latest Patents

Among Usami's latest patents are the "Data transmission method and system thereof," which introduces an innovative technique for optimizing data transmission through a combination of dummy light for optical axis judgment and signal light for data relay. This method enhances the data receiver's ability to prepare for incoming data based on the reception chance indicated by the transmitter.

Another notable invention is the "Apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation." This apparatus utilizes a traveling-wave electroabsorption modulator and is designed to efficiently manage optical input and output while generating a recovered optical clock signal.

Career Highlights

Masashi Usami has had a distinguished career, holding positions at prominent companies such as KDDI Corporation and KDDI R&D Laboratories, Inc. His work has consistently focused on pushing the boundaries of optical communication technologies, contributing significantly to advancements in data transmission methodologies.

Collaborations

During his career, Usami has collaborated with notable colleagues, including Kosuke Nishimura and Hidenori Takahashi. These partnerships have helped foster innovative ideas and solutions in the rapidly evolving tech landscape.

Conclusion

Masashi Usami's inventions exemplify the power of innovation in transforming data transmission systems. With a solid track record of patents and significant contributions to the field, he continues to inspire future generations of inventors aiming to revolutionize technology in communication.

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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