For the Inventor, By the Inventor

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Nexfi Technology Inc.

USPTO Granted Patents = 4

Forward Citations = 2

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5 inventors (with patents filed for the assignee):

Takashi Nakamura (4 out of 5 patents)

Satoshi Tanimoto (3 out of 3 patents)

Yuji Kokubo (1 out of 7 patents)

4. Tsuyoshi Funaki (1 out of 2 patents)

5. Kiyokazu Nakajima (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12433628 - Flexible ultrasonic wave generating device (2025-10-07),

2. 12381444 - Hollow disc rotor for flywheel power storage device and method for manufacturing same (2025-08-05),

3. 12142915 - Flywheel, flywheel designing method, and flywheel power storage system (2024-11-12),

4. 12119730 - Constant stress solid disk rotor of flywheel for flywheel energy storage system and design method thereof (2024-10-15),

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#708 in Osaka

#7,416 in Japan

Nexfi Technology Inc.

Forward Citations = 2

5 inventors:

Takashi Nakamura (4 out of 5 patents)

Satoshi Tanimoto (3 out of 3 patents)

Yuji Kokubo (1 out of 7 patents)

4. Tsuyoshi Funaki (1 out of 2 patents)

5. Kiyokazu Nakajima (1 out of 1 patent)

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