Takashima, Japan

Takeshi Izuma

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Izuma. Retrieved from https://idiyas.com/inventor/takeshi-izuma

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 = 3.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Takeshi Izuma and His Pipe-Joint Invention.

Introduction

Takeshi Izuma is an inventor associated with Takashima, Japan. His recorded patent concerns a pipe joint designed to connect aluminum and stainless-steel pipes.

Latest Patents

Izuma is credited with 1 patent: “Pipe Joint for Connecting Different Kinds of Metallic Pipes.” The invention describes a joint made from tightly bonded washer layers of aluminum, titanium, nickel, and stainless steel, arranged in that order and integrated along the joint’s axis through explosion bonding. The layered assembly is designed to connect an aluminum pipe to a stainless-steel pipe.

Career Highlights

The available information associates Izuma with Asahi Kasei Kogyo Kabushiki Kaisha. His patent highlights work on joining dissimilar metals in a pipe connection.

Collaborations

Izuma’s listed coworkers include Chiyoshi Fukumoto and Kazuhiko Yamaura.

Conclusion

Takeshi Izuma’s recorded invention focuses on a layered, explosion-bonded joint for connecting aluminum and stainless-steel pipes.

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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