Katashi Masumoto

This inventor holds 6 USPTO granted patents. Top assignees: Research Institute of Electric and Magnetic Alloys, The Foundation: the Research Institute of Electric and Magentic Alloys. Active years: 1994-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katashi Masumoto. Retrieved from https://idiyas.com/inventor/katashi-masumoto

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 14(Granted Patents)

Company Filing History:

5 out of 29

Research Institute of Electric and Magnetic Alloys

patents

1 out of 1

The Foundation: the Research Institute of Electric and Magentic Alloys

patent

Years Active: 1994-1998

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5849113 - Electrical resistant alloy having a high temperature coefficient of (1998-12-15),

2. 5725687 - Wear-resistant high permability alloy and method of manufacturing the (1998-03-10),

3. 5547520 - Wear-resistant high permeability magnetic alloy and method of (1996-08-20),

4. 5496419 - Wear-resistant high permeability magnetic alloy and method of (1996-03-05),

5. 5323410 - Solid-solution semiconductor laser element material and laser element (1994-06-21),

6. 5319658 - Solid solution semiconductor laser element material and laser element (1994-06-07),

Title: Innovations of Katashi Masumoto

Introduction

Katashi Masumoto is a prominent inventor based in Sendai, Japan. He has made significant contributions to the field of electric and magnetic alloys, holding a total of six patents. His work focuses on developing materials with enhanced properties for various applications.

Latest Patents

Masumoto's latest patents include an electrical resistant alloy that achieves a high temperature coefficient of resistance (TCR) suitable for sensor devices. This alloy consists of 5 to 65% iron and various auxiliary components, ensuring a TCR of 4000×10^-6°C^-1 or more within a temperature range of 0°C to 200°C. Another notable patent is for a wear-resistant high permeability alloy, which includes nickel, niobium, carbon, and iron as main components. This alloy is designed to have excellent wear resistance and magnetic properties, making it suitable for use in magnetic recording and reproducing heads.

Career Highlights

Throughout his career, Masumoto has worked at the Research Institute of Electric and Magnetic Alloys. His innovative work has led to advancements in the manufacturing processes of high-performance alloys.

Collaborations

Masumoto has collaborated with notable colleagues such as Yuetsu Murakami and Naoji Nakamura. Their combined expertise has contributed to the success of various projects in the field of alloy development.

Conclusion

Katashi Masumoto's contributions to the field of electric and magnetic alloys have established him as a key figure in materials science. His innovative patents continue to influence the development of advanced materials for technological applications.

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]