Forward Citations = 37

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16 inventors (with patents filed for the assignee):

Toshihiro Isobe (1 out of 5 patents)

Masataka Matsuo (1 out of 5 patents)

Toshiyuki Ezaki (1 out of 1 patent)

4. Yasushige Enomoto (1 out of 1 patent)

5. Kunio Furukawa (1 out of 1 patent)

6. Shigeru Fujiwara (1 out of 2 patents)

7. Masayosi Nagahara (1 out of 1 patent)

8. Satoshi Nagai (1 out of 1 patent)

9. Nobiru Komatsu (1 out of 3 patents)

10. Takeshi Hagiwara (1 out of 1 patent)

11. Kakuichi Murakami (1 out of 1 patent)

12. Taizo Tamehiro (1 out of 1 patent)

13. Tanezoh Tamehiro (1 out of 1 patent)

14. Tsuyoshi Fujimoto (1 out of 1 patent)

15. Michihiro Gotoh (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4711916 - Inorganic filler dispersed-resin composition (1987-12-08),

2. 4646950 - Sliding nozzle plate (1987-03-03),

3. 4302372 - Non-fired silicon carbide refractories (1981-11-24),

4. 3963815 - Method of lining molten metal vessels and spouts with refractories (1976-06-15),

Company Overview

Harima Refractory Co., Ltd. is a leading refractory manufacturer based in Japan. With over 100 years of experience, they specialize in producing high-quality refractory products for various industries, including steel, cement, and glass. Their innovative solutions help customers improve efficiency, reduce energy consumption, and increase productivity. Harima Refractory is committed to providing superior products and services to meet the needs of their clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#4 in BOTH OF

#7,037 in JA

BOTH OF, undefined

Harima Refractory Co., Ltd.

Forward Citations = 37

16 inventors:

Toshihiro Isobe (1 out of 5 patents)

Masataka Matsuo (1 out of 5 patents)

Toshiyuki Ezaki (1 out of 1 patent)

4. Yasushige Enomoto (1 out of 1 patent)

5. Kunio Furukawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harima Refractory Co., Ltd.. Retrieved from https://idiyas.com/company/harima-refractory-company

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]