Tokyo, Japan

Takashi Yokhikawa

This inventor holds 1 USPTO granted patent. Top assignees: Japan Marine Science and Technology Center, Nkk Corporation, Oki Electric Industry Co., Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Yokhikawa. Retrieved from https://idiyas.com/inventor/takashi-yokhikawa

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 = 6.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Takashi Yokhikawa: Inventor of a Giant-Magnetostriction Alloy Rod Manufacturing Method.

Introduction

Takashi Yokhikawa is an inventor associated with Tokyo, Japan. His patent work includes a method for manufacturing an alloy rod with giant magnetostriction, a property that describes a material’s change in shape when exposed to a magnetic field.

Latest Patents

Yokhikawa’s listed patent is titled “Method for Manufacturing Alloy Rod Having Giant Magnetostriction.” It describes melting an alloy containing terbium, dysprosium, and at least one transition metal, then controlling solidification to produce a rod with a single-crystal structure aligned along its axis. The process uses an inert-gas atmosphere and carefully specified furnace temperatures, temperature gradients, and movement speeds. The supplied information lists 1 patent for Yokhikawa.

Career Highlights

Yokhikawa’s career is associated with the Japan Marine Science and Technology Center and Oki Electric Industry Co., Ltd. His patent reflects work on alloy processing and the controlled crystallization of materials with specialized magnetic properties.

Collaborations

The supplied information identifies Keiichi Kobayashi and Katsuhiko Murakami as Yokhikawa’s coworkers. It does not specify their roles in the patent or the manufacturing method.

Conclusion

Takashi Yokhikawa’s listed invention focuses on producing a single-crystal alloy rod with giant magnetostriction through controlled melting and solidification.

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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