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Kawatetsu Mining Co., Ltd.

USPTO Granted Patents = 23

CIPO Patents = 10

Trademarks = 1

Forward Citations = 146

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36 inventors (with patents filed for the assignee):

Hidefumi Konnai (6 out of 14 patents)

Kan Saito (4 out of 6 patents)

Yoshio Aso (4 out of 6 patents)

4. Yuuki Narita (3 out of 4 patents)

5. Yoshihito Tachi (3 out of 4 patents)

6. Hideshi Katayama (3 out of 4 patents)

7. Shuetsu Ogasawara (3 out of 4 patents)

8. Nobuyuki Sato (2 out of 80 patents)

9. Yoshiaki Hamano (2 out of 3 patents)

10. Morishige Uchida (2 out of 4 patents)

11. Kensuke Matsuki (2 out of 7 patents)

12. Yasutaka Fukuda (2 out of 6 patents)

13. Takao Hamada (2 out of 3 patents)

14. Shunroh Nagata (2 out of 2 patents)

15. Akira Seki (2 out of 2 patents)

23 patents: Sort by Forward Citations

1. 8029930 - Positive electrode material for lithium secondary battery, method for producing the same, and lithium secondary battery (2011-10-04),

2. 7510804 - Cathode material for use in lithium secondary battery and manufacturing method thereof (2009-03-31),

3. 7244286 - Copper alloy powder for electrically conductive paste (2007-07-17),

4. 7175688 - Ni-Fe based alloy powder (2007-02-13),

5. 6982047 - Surface-treated ultrafine metal powder, method for producing the same, conductive metal paste of the same, and multilayer ceramic capacitor using said paste (2006-01-03),

6. 6903645 - Surface mounting type planar magnetic device and production method thereof (2005-06-07),

7. 6881377 - Methods for manufacturing capacitors and electrodes using ultrafine nickel powder (2005-04-19),

8. 6881239 - Ultrafine metal powder slurry with high dispersibility (2005-04-19),

9. 6765786 - Niobium powder and solid electrolytic capacitor using the same (2004-07-20),

10. 6756238 - Domain controlled piezoelectric single crystal and fabrication method therefor (2004-06-29),

11. 6635100 - Niobium powder and anode for solid electrolyte capacitors made therefrom (2003-10-21),

12. 6579619 - Potassium titanate powder (2003-06-17),

13. 6402803 - Ultrafine nickel powder (2002-06-11),

14. 6383626 - Magnetic ferrite film for magnetic devices (2002-05-07),

15. 6335096 - Potassium titanate fine particles (2002-01-01),

Kawatetsu Mining Co., Ltd. is a global leader in the mining industry, specializing in the extraction and processing of various minerals. With a strong commitment to sustainability and responsible mining practices, our company operates mines in multiple countries, delivering high-quality minerals to customers worldwide. We have a proven track record of delivering consistent results and maintaining the highest standards of safety and environmental protection. Visit our website to learn more about our company, operations, and the range of minerals we offer.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

23 Patents

#1,091 in Tokyo

#2,643 in Japan

#26,773 in the World

Kawatetsu Mining Co., Ltd.

Forward Citations = 146

36 inventors:

Hidefumi Konnai (6 out of 14 patents)

Kan Saito (4 out of 6 patents)

Yoshio Aso (4 out of 6 patents)

4. Yuuki Narita (3 out of 4 patents)

5. Yoshihito Tachi (3 out of 4 patents)

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