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Nippon Mining Co., Ltd.

USPTO Granted Patents = 141

CIPO Patents = 2

Trademarks = 1

Forward Citations = 1,244

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286 inventors (with patents filed for the assignee):

Chikara Tominaga (8 out of 8 patents)

Kazuhiro Saito (7 out of 14 patents)

Toshio Takada (6 out of 24 patents)

4. Hiroshi Hosaka (6 out of 6 patents)

5. Osamu Oda (5 out of 13 patents)

6. Mamoru Yamane (5 out of 5 patents)

7. Haruhito Shimakura (5 out of 5 patents)

8. Teruo Suzuka (5 out of 9 patents)

9. Shirou Aizawa (5 out of 8 patents)

10. Takashi Ogata (5 out of 6 patents)

11. Hiroshi Nakayama (4 out of 82 patents)

12. Hideo Sakuyama (4 out of 6 patents)

13. Atsushi Yoshizawa (4 out of 40 patents)

14. Kazuhiro Taki (4 out of 7 patents)

15. Keiji Kainosho (4 out of 5 patents)

Core Competencies:

Anticoagulant Variants

L-Amino Acids Production

Superconducting Materials

Magnetoresistance Elements

III-V Compound Semiconductors

Thin Film Deposition

Magnetic Head Technology

Fluorine-Containing Compounds

Epitaxial Processes

Colored Zinc Coatings

Organic Phosphine Production

Moving Object Detection

141 patents: Sort by Forward Citations

1. 5767235 - Anticoagulant hirudin variants and methods for their production (1998-06-16),

2. 5587303 - Production process of L-amino acids with bacteria (1996-12-24),

3. 5516656 - Production of a new hirudin analog and anticoagulant pharmaceutical (1996-05-14),

4. 5474928 - Arginine deiminase from a Mycoplasma arginini strain (1995-12-12),

5. 5376539 - Process for the preparation of epoxides by means of microorganisms (1994-12-27),

6. 5362711 - Method for producing single crystal superconducting LnA.sub.2 Cu.sub.3 (1994-11-08),

7. 5336392 - Method for preparation of a Zn-Ni electroplating or hot-dip galvanizing (1994-08-09),

8. 5315282 - Magnetoresistance effect element (1994-05-24),

9. 5312503 - Laminated magnetic core and method of manufacturing same (1994-05-17),

10. 5311034 - Indium phosphide Gunn diode with dopant gradient (1994-05-10),

11. 5306696 - Method of producing YBa.sub.2 Cu.sub.4 O.sub.x -type superconducting (1994-04-26),

12. 5284977 - Process for producing high-purity organic phosphine (1994-02-08),

13. 5266127 - Epitaxial process for III-V compound semiconductor (1993-11-30),

14. 5258522 - Imidazole-silane compounds and metal surface finishing agent containing (1993-11-02),

15. 5254507 - Semi-insulating InP single crystals, semiconductor devices having (1993-10-19),

Nippon Mining Co., Ltd. is one of the leading mining companies in Japan, specializing in the extraction and production of various minerals and metals. With over two decades of experience, Nippon Mining has established a strong presence in the industry and is committed to sustainable mining practices. The company's main products include copper, gold, silver, and coal, which are sourced from their mines across the country. Nippon Mining focuses on maintaining high-quality standards and adhering to strict environmental and safety regulations. With continuous innovation and investment in advanced mining technologies, Nippon Mining aims to contribute to Japan's industrial growth and meet the demands of an evolving global market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

141 Patents

#28 in

#871 in Japan

#5,605 in the World

Nippon Mining Co., Ltd.

Forward Citations = 1,244

286 inventors:

Chikara Tominaga (8 out of 8 patents)

Kazuhiro Saito (7 out of 14 patents)

Toshio Takada (6 out of 24 patents)

4. Hiroshi Hosaka (6 out of 6 patents)

5. Osamu Oda (5 out of 13 patents)

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