Osaka, Japan

Keiichi Shimizu

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Shimizu. Retrieved from https://idiyas.com/inventor/keiichi-shimizu-mrka1opf

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 25(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Keiichi Shimizu: Innovator in Optical Network Testing

Introduction

Keiichi Shimizu is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of optical network testing. His innovative approach has led to the development of a unique device and method that enhances the efficiency of testing multi-branch optical networks.

Latest Patents

Shimizu holds a patent for a "Device and method for testing of multi-branch optical network." This invention provides a comprehensive solution for performing fault isolation tests on optical networks that branch off at various points. The method involves inputting optical pulses into the network, which are then returned as reflection beams. The response beams are converted into OTDR waveform data, allowing for detailed analysis of the network's performance.

Career Highlights

Throughout his career, Keiichi Shimizu has focused on advancing optical network technologies. His work has been instrumental in improving the reliability and accuracy of network testing methods. With a patent count of 1 patent, Shimizu continues to push the boundaries of innovation in his field.

Collaborations

Shimizu has collaborated with notable colleagues, including Takao Minami and Nobuaki Takeuchi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise.

Conclusion

Keiichi Shimizu's contributions to optical network testing exemplify the spirit of innovation. His patented methods are paving the way for more efficient network management and fault detection.

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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