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Akita Zinc Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 12

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11 inventors (with patents filed for the assignee):

Tatsumi Inamura (1 out of 3 patents)

Kiyoshi Yamada (1 out of 6 patents)

Norihito Ishimori (1 out of 3 patents)

4. Shuji Kuramochi (1 out of 2 patents)

5. Hideki Nagata (1 out of 2 patents)

6. Rintaro Togashi (1 out of 1 patent)

7. Tomizo Yamada (1 out of 1 patent)

8. Nobumi Ueno (1 out of 1 patent)

9. Sukehiro Sutou (1 out of 1 patent)

10. Sachio Kamata (1 out of 1 patent)

11. Kunio Sekine (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 5824282 - Method of sulfur purification (1998-10-20),

2. 5762767 - Automatic transferring and processing apparatus of cathode and method (1998-06-09),

3. 4148108 - Apparatus for polishing cathode plates for metal electrolytic refinery (1979-04-10),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3,272 in Tokyo

#8,779 in Japan

Akita Zinc Co., Ltd.

Forward Citations = 12

11 inventors:

Tatsumi Inamura (1 out of 3 patents)

Kiyoshi Yamada (1 out of 6 patents)

Norihito Ishimori (1 out of 3 patents)

4. Shuji Kuramochi (1 out of 2 patents)

5. Hideki Nagata (1 out of 2 patents)

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