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Jfe Mineral Company, Ltd.

USPTO Granted Patents = 29

CIPO Patents = 2

EPO Patents = 15

Trademarks = 1

Forward Citations = 57

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32 inventors (with patents filed for the assignee):

Mitsuyoshi Matsushita (7 out of 8 patents)

Hidefumi Konnai (6 out of 14 patents)

Etsurou Udagawa (5 out of 5 patents)

4. Yuko Echizenya (5 out of 5 patents)

5. Yoshimi Nakata (5 out of 5 patents)

6. Yosuke Iwasaki (4 out of 20 patents)

7. Osamu Yamamoto (3 out of 27 patents)

8. Nobuyuki Sato (2 out of 80 patents)

9. Yoji Gomi (2 out of 6 patents)

10. Kazuhiko Echizenya (2 out of 2 patents)

11. Kenichi Iguchi (2 out of 27 patents)

12. Keiichiro Nakamura (2 out of 7 patents)

13. Chisaki Miura (2 out of 2 patents)

14. Osamu Ebato (2 out of 3 patents)

15. Tadasu Kirihara (2 out of 4 patents)

29 patents: Sort by Forward Citations

1. 12463213 - Positive electrode active material for lithium-ion secondary cell, and lithium-ion secondary cell (2025-11-04),

2. 12458951 - Halloysite powder (2025-11-04),

3. 12330952 - Metahalloysite powder and production method therefor (2025-06-17),

4. 12281020 - Metahalloysite powder and metahalloysite powder production method (2025-04-21),

5. 11932544 - Surface-modified halloysite, method for producing surface-modified halloysite, and catalytic reaction (2024-03-19),

6. 11370712 - Zinc oxide varistor and method for manufacturing same (2022-06-28),

7. 11370671 - Zinc oxide varistor (2022-06-28),

8. 11299818 - Method for producing PbTiO-containing single crystal (2022-04-12),

9. 11180375 - Porous halloysite powder and method for producing halloysite powder (2021-11-23),

10. 11155932 - Method for producing piezoelectric single crystal ingot and piezoelectric single crystal ingot (2021-10-26),

11. 11020427 - Therapeutic agent for skin wound or rough skin (2021-06-01),

12. 10987380 - Hydrozincite containing zinc carbonate hydroxide hydrate and method of making (2021-04-27),

13. 10780114 - Therapeutic agent for skin wound or rough skin (2020-09-22),

14. 10704162 - Aluminum nitride single crystal (2020-07-07),

15. 8228059 - Ferrite material having composition gradient for measuring magneto-optical-effect properties and method for evaluating properties of ferrite (2012-07-24),

JFE Mineral Company, Ltd. is a global mining and mineral resources company. They specialize in the exploration, production, and marketing of various minerals such as iron ore, coal, and limestone. With a strong focus on sustainability and environmental responsibility, JFE Mineral is committed to minimizing the ecological impact of its operations. Through continuous research and development, they strive to create innovative solutions that meet the evolving needs of their customers across industries such as steel, cement, and chemicals.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

29 Patents

#943 in Tokyo

#2,302 in Japan

#21,884 in the World

Jfe Mineral Company, Ltd.

Forward Citations = 57

32 inventors:

Mitsuyoshi Matsushita (7 out of 8 patents)

Hidefumi Konnai (6 out of 14 patents)

Etsurou Udagawa (5 out of 5 patents)

4. Yuko Echizenya (5 out of 5 patents)

5. Yoshimi Nakata (5 out of 5 patents)

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