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Osaka Kongo Seito Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 119

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4 inventors (with patents filed for the assignee):

Hideo Tani (2 out of 2 patents)

Masahiro Hashimoto (2 out of 2 patents)

Junichi Sato (1 out of 131 patents)

4. Minoru Shimizu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5012067 - Diamond cutting method (1991-04-30),

2. 4618349 - Grinding wheel manufacturing method (1986-10-21),

3. 4561863 - Grinding wheel and manufacturing method thereof (1985-12-31),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#835 in Osaka

#8,767 in Japan

Osaka Kongo Seito Co., Ltd.

Forward Citations = 119

4 inventors:

Hideo Tani (2 out of 2 patents)

Masahiro Hashimoto (2 out of 2 patents)

Junichi Sato (1 out of 131 patents)

4. Minoru Shimizu (1 out of 1 patent)

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