Chiba, Japan

Hideaki Takashima

This inventor holds 1 USPTO granted patent. Top assignee: Ube Industries, Inc.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideaki Takashima. Retrieved from https://idiyas.com/inventor/hideaki-takashima-k2db3y7x

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 = 6(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Hideaki Takashima

Introduction

Hideaki Takashima is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of coaxial cable technology. His work focuses on enhancing the performance and reliability of submarine coaxial cables.

Latest Patents

Takashima holds a patent for a process of extrusion-coating the central core of a submarine coaxial cable with a high-pressure-processed polyethylene insulator. This innovative process allows the coaxial cable to be deployed on the sea bottom at depths of not less than 500 meters. It effectively transmits alternating current signals with a maximum frequency of not less than 30 MHz while minimizing signal attenuation. The coaxial cable boasts a transmission capacity of not less than 3000 circuits or channels, with a frequency band of 3 to 6 KHz per circuit or channel. The insulator-covered core is continuously extruded from an extruder and gradually cooled in cooling water troughs to room temperature, ensuring minimal water content without voids between the core and the insulator.

Career Highlights

Hideaki Takashima is associated with Ube Industries, Inc., where he has been instrumental in developing advanced materials for telecommunications. His expertise in materials science and engineering has led to innovations that enhance the durability and efficiency of submarine cables.

Collaborations

Throughout his career, Takashima has collaborated with esteemed colleagues such as Koji Yamaguchi and Iwao Tsurutani. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in the field.

Conclusion

Hideaki Takashima's contributions to the field of coaxial cable technology exemplify the impact of innovative thinking in engineering. His patented processes not only improve the functionality of submarine cables but also pave the way for future advancements in telecommunications.

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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