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For the Inventor, By the Inventor

Nagoya, Japan

Katsuhisa Itoh

This inventor holds 5 USPTO granted patents. Top assignee: Sumitomo Light Metal Industries, Ltd.. Active years: 1985-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhisa Itoh. Retrieved from https://idiyas.com/inventor/katsuhisa-itoh-3l34wvfe

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 50(Granted Patents)


Company Filing History:

goldMedal5 out of 140 
 
Sumitomo Light Metal Industries, Ltd.
 patents

Years Active: 1985-1988

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5 patents (USPTO):Explore Patents
1. 4783245 - Process and apparatus for producing alloy containing terbium and/or (1988-11-08),
2. 4747924 - Apparatus for producing neodymium-iron alloy (1988-05-31),
3. 4737248 - Process for producing dysprosium-iron alloy and (1988-04-12),
4. 4684448 - Process of producing neodymium-iron alloy (1987-08-04),
5. 4521284 - Electrolytic method of producing a high purity aluminum-lithium mother (1985-06-04),

Title: Innovations of Katsuhisa Itoh in Alloy Production

Introduction

Katsuhisa Itoh is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of alloy production, holding a total of 5 patents. His work focuses on processes and apparatuses that enhance the efficiency and effectiveness of producing various alloys.

Latest Patents

One of his latest patents is a process and apparatus for producing an alloy containing terbium and/or gadolinium. This innovative process involves preparing a bath of molten electrolyte, reducing the fluoride compounds with a carbon anode, and alloying the electrodeposited materials with metals such as iron or cobalt. Another notable patent is for producing a neodymium-iron alloy through electrolytic reduction of neodymium fluoride in a molten electrolyte bath. This apparatus includes an electrowinning cell designed for optimal collection and withdrawal of the produced alloy.

Career Highlights

Katsuhisa Itoh is associated with Sumitomo Light Metal Industries, Ltd., where he applies his expertise in alloy production. His innovative approaches have positioned him as a key figure in the development of advanced materials.

Collaborations

He has collaborated with notable coworkers, including Eiji Nakamura and Yoshiaki Watanabe, contributing to the advancement of alloy production technologies.

Conclusion

Katsuhisa Itoh's contributions to alloy production through his innovative patents and collaborations highlight his significant role in the field. His work continues to influence advancements in material science and engineering.

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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