EPO Patents = 3

Trademarks = 1

Forward Citations = 6

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7 inventors (with patents filed for the assignee):

Takahisa Koshida (3 out of 3 patents)

Shoichi Hiwasa (3 out of 4 patents)

Masato Kumagai (1 out of 1 patent)

4. Syunji Kasahara (1 out of 1 patent)

5. Taisei Gohara (1 out of 1 patent)

6. Hiroshi Narahara (1 out of 1 patent)

7. Kouji Suzuki (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9433565 - Hydrophilic and highly oil absorbent boron nitride powder, method for manufacturing the same, and cosmetic (2016-09-06),

2. 9334391 - Sintered spherical BN particles, method of producing the same, and polymer material (2016-05-10),

3. 8679429 - Hexagonal boron nitride powder having specific bulk density and residual Fe particles, and method for producing same (2014-03-25),

4. 5462579 - Method and apparatus for manufacturing medium or low carbon (1995-10-31),

Mizushima Ferroalloy Co., Ltd. is a leading manufacturer of ferroalloys in Japan. With over 70 years of experience, the company produces high-quality ferroalloys such as ferromanganese, silicomanganese, and ferrosilicon. Mizushima Ferroalloy is known for its commitment to sustainable practices and innovative technologies, ensuring the highest standards of product quality and environmental responsibility.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#36 in Okayama

#7,420 in Japan

Okayama, Japan

Mizushima Ferroalloy Co., Ltd.