For the Inventor, By the Inventor

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National Aerospace Laboratory

USPTO Granted Patents = 2

Forward Citations = 29

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5 inventors (with patents filed for the assignee):

Atsushi Nakajima (2 out of 54 patents)

Katsuhide Watanabe (2 out of 49 patents)

Hirokuni Hiyama (2 out of 55 patents)

4. Chikara Murakami (2 out of 8 patents)

5. Satoshi Inanaga (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 4920290 - Active magnetic bearing apparatus (1990-04-24),

2. 4885491 - Unstable vibration prevention apparatus for magnetic bearing system (1989-12-05),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4 in Chofu

#10,973 in Japan

National Aerospace Laboratory

Forward Citations = 29

5 inventors:

Atsushi Nakajima (2 out of 54 patents)

Katsuhide Watanabe (2 out of 49 patents)

Hirokuni Hiyama (2 out of 55 patents)

4. Chikara Murakami (2 out of 8 patents)

5. Satoshi Inanaga (1 out of 2 patents)

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