For the Inventor, By the Inventor

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Noboribetsu-shi, Hokkaido, Japan

Sanwakogyo Ltd.

USPTO Granted Patents = 2

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Shinji Tanaka (2 out of 7 patents)

Hirokazu Madarame (2 out of 3 patents)

Toshifumi Nakajima (2 out of 20 patents)

4. Kazuhiro Miyagi (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 10027194 - Motor rotor support and method for manufacturing same (2018-07-17),

2. 9800104 - Nonmagnetic high strength steel motor rotor support and method for manufacturing same (2017-10-24),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1 in Noboribetsu-shi, Hokkaido

#10,985 in Japan

Noboribetsu-shi, Hokkaido, Japan

Sanwakogyo Ltd.

Forward Citations = 2

4 inventors:

Shinji Tanaka (2 out of 7 patents)

Hirokazu Madarame (2 out of 3 patents)

Toshifumi Nakajima (2 out of 20 patents)

4. Kazuhiro Miyagi (2 out of 2 patents)

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