Chofu, Japan

Kikuo Shirai

This inventor holds 1 USPTO granted patent. Top assignee: Kokusai Denshin Denwa Kabushiki Kaisha. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kikuo Shirai. Retrieved from https://idiyas.com/inventor/kikuo-shirai

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Kikuo Shirai: Innovator in Submarine Cable Technology

Introduction

Kikuo Shirai is a notable inventor based in Chofu, Japan. He has made significant contributions to the field of submarine cable technology. His innovative approach has led to the development of a unique patent that enhances the efficiency of underwater cable operations.

Latest Patents

Kikuo Shirai holds a patent for a submarine cable grapnel. This invention involves a grapnel that is tied to two ropes of a cable ship and is dragged along the seabed. The design includes a grappling unit and at least one attitude stabilizer, ensuring that the center of gravity remains closer to the seabed when the grapnel lands. This innovative mechanism improves the effectiveness of cable laying operations under the sea.

Career Highlights

Shirai is associated with Kokusai Denshin Denwa Kabushiki Kaisha, a company known for its advancements in telecommunications. His work has been instrumental in developing technologies that facilitate underwater cable installations. With a focus on practical solutions, Shirai has contributed to the efficiency and reliability of submarine cable systems.

Collaborations

Throughout his career, Kikuo Shirai has collaborated with talented individuals such as Takashi Mizuguchi and Yoshihiro Ejiri. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kikuo Shirai's contributions to submarine cable technology exemplify the impact of innovative thinking in engineering. His patent for the submarine cable grapnel showcases his commitment to improving underwater operations. Through his work, Shirai continues to influence the field and inspire future advancements in 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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