For the Inventor, By the Inventor

Enter assignee name

Nittetsu Mining Co., Ltd.

USPTO Granted Patents = 43

CIPO Patents = 3

EPO Patents = 8

Forward Citations = 393

Loading Chart...

Loading Chart...

64 inventors (with patents filed for the assignee):

Takafumi Atarashi (12 out of 21 patents)

Katsuto Nakatsuka (8 out of 17 patents)

Akira Kishimoto (6 out of 8 patents)

4. Takeshi Hazeyama (6 out of 6 patents)

5. Katsuyuki Tanabe (5 out of 5 patents)

6. Yasuie Mikami (5 out of 6 patents)

7. Kohei Mitsuhashi (4 out of 4 patents)

8. Toyohisa Fujita (4 out of 6 patents)

9. Kazuyuki Tohji (3 out of 18 patents)

10. Masanobu Kawata (3 out of 3 patents)

11. Nobuyoshi Iyatomi (3 out of 3 patents)

12. Kenji Yoshino (3 out of 3 patents)

13. Yutaka Yamaguchi (2 out of 23 patents)

14. Akemitsu Iida (2 out of 2 patents)

15. Atsushi Moriya (2 out of 3 patents)

Core Competencies:

Cobalt Ferrite

Lithium Carbonate

Photocatalyst

Hydrogen Sulfide Treatment

Magnesium Carbonate

Titanium Dioxide

Electrorheological Fluid

Antibacterial Titania

Powder Coating

Gas Processing

Filter Element

Froth Flotation

43 patents: Sort by Forward Citations

1. 12338134 - Method for producing cobalt ferrite particles and cobalt ferrite particles produced by same (2025-06-24),

2. 10035710 - Method for producing lithium carbonate (2018-07-31),

3. 9255011 - Method for producing lithium carbonate (2016-02-09),

4. 8920763 - Method for producing lithium carbonate (2014-12-30),

5. 8034404 - Method for producing white powder comprising titanium oxide film and metallic silver film (2011-10-11),

6. 7985397 - Method of treating hydrogen sulfide, method of producing hydrogen, and photocatalytic-reaction apparatus (2011-07-26),

7. 7922991 - Basic magnesium carbonate, production method and use of the same (2011-04-12),

8. 7704914 - Photocatalyst and process for producing the same (2010-04-27),

9. 7608557 - Highly active photocatalyst and process for producing the same (2009-10-27),

10. 7566499 - Light interference multi-layered film-coated powder design method, manufacturing method, and light interference multi-layered film-coated powder (2009-07-28),

11. 7399522 - Heat-resistant filter element and method for production thereof (2008-07-15),

12. 7399333 - Filter element and process for producing the same (2008-07-15),

13. 7347979 - Gas processing method and gas processing apparatus utilizing oxidation catalyst and low-temperature plasma (2008-03-25),

14. 7169443 - Powder coated with titania film and method for production thereof (2007-01-30),

15. 7060127 - Silica-calcium carbonate composite particles (2006-06-13),

Nittetsu Mining Co., Ltd. is a leading mining company specializing in the exploration, extraction, and processing of various minerals. With over 50 years of experience in the industry, we have established ourselves as a trusted and reliable partner for both domestic and international customers. Our focus is on sustainable mining practices that prioritize environmental preservation and community development. Visit our website to learn more about our mining operations, sustainability initiatives, and commitment to corporate social responsibility.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

43 Patents

#770 in Tokyo

#1,845 in Japan

#15,577 in the World

Nittetsu Mining Co., Ltd.

Forward Citations = 393

64 inventors:

Takafumi Atarashi (12 out of 21 patents)

Katsuto Nakatsuka (8 out of 17 patents)

Akira Kishimoto (6 out of 8 patents)

4. Takeshi Hazeyama (6 out of 6 patents)

5. Katsuyuki Tanabe (5 out of 5 patents)

Please report any incorrect information to support@idiyas.com

Loading…