Forward Citations = 71

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5 inventors (with patents filed for the assignee):

Tohei Ototani (10 out of 11 patents)

Makoto Ebata (4 out of 8 patents)

Toru Degawa (4 out of 6 patents)

4. Kenichi Kusumoto (3 out of 3 patents)

5. Kanicki Kusumoto (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5268141 - Iron based alloy having low contents of aluminum silicon, magnesium, (1993-12-07),

2. 5225156 - Clean steel composition (1993-07-06),

3. 5055018 - Clean steel (1991-10-08),

4. 4999053 - Method of producing an iron-, cobalt- and nickel-base alloy having low (1991-03-12),

5. 4944798 - Method of manufacturing clean steel (1990-07-31),

6. 4832742 - Flexible refining-agent clad wire for refining molten iron group metal (1989-05-23),

7. 4820485 - Method of producing an iron-, cobalt- and nickel-base alloy having low (1989-04-11),

8. 4729787 - Method of producing an iron; cobalt and nickel base alloy having low (1988-03-08),

9. 4484946 - Method of producing iron-, nickle-, or cobalt-base alloy with low (1984-11-27),

10. 4094666 - Method for refining molten iron and steels (1978-06-13),

Company Overview

Metal Research Corporation, based in Tokyo, specializes in advanced materials and metal processing technologies. The company focuses on the development and manufacturing of high-performance alloys and composite materials, catering to various industries including aerospace, automotive, and electronics. With a commitment to innovation, Metal Research Corporation engages in extensive research to enhance material properties and performance, positioning itself as a leader in the field of metallurgy and materials science.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#1,914 in Tokyo

#4,401 in Japan

#56,047 in the World

Tokyo, Japan

Metal Research Corporation

Forward Citations = 71

5 inventors:

Tohei Ototani (10 out of 11 patents)

Makoto Ebata (4 out of 8 patents)

Toru Degawa (4 out of 6 patents)

4. Kenichi Kusumoto (3 out of 3 patents)

5. Kanicki Kusumoto (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metal Research Corporation. Retrieved from https://idiyas.com/company/metal-research

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

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]