Kanagawa, Japan

Kouji Hirao

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Hirao. Retrieved from https://idiyas.com/inventor/kouji-hirao-3cnuwqa9

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 = 4.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: The Innovations of Kouji Hirao

Introduction

Kouji Hirao is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical fiber technology. His work has led to advancements that enhance the performance and efficiency of optical communication systems.

Latest Patents

One of Kouji Hirao's key inventions is the tape core type coated optical fiber. This innovative design contains a plurality of single optical fibers housed within a specialized casing. The tape core type coated optical fiber branches into multiple single fibers inside the housing, which features several branches that allow each single fiber to pass through. This invention is crucial for improving the organization and functionality of optical fibers in various applications. Kouji Hirao holds 1 patent for this invention.

Career Highlights

Kouji Hirao is currently employed at Sumitomo Electric Industries, Limited, a leading company in the field of electrical and optical technologies. His role at the company has allowed him to work on cutting-edge projects that push the boundaries of optical fiber technology.

Collaborations

Throughout his career, Kouji Hirao has collaborated with esteemed colleagues, including Toshihiko Okura and Tetsuaki Watanabe. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Kouji Hirao's contributions to optical fiber technology exemplify the spirit of innovation. His work continues to influence the industry and pave the way for future advancements in 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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