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For the Inventor, By the Inventor

Osaka, Japan

Nexfi Technology Inc.


USPTO Granted Patents = 4

Forward Citations = 2

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5 inventors (with patents filed for the assignee):

goldMedal Takashi Nakamura (4 out of 5 patents)

silverMedal Satoshi Tanimoto (3 out of 3 patents)

bronzeMedal 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:

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 - Oct 13 2026

4 Patents

#808 in Osaka

#7,579 in Japan

Osaka, JP
Osaka, Japan

Nexfi Technology Inc.

Forward Citations = 2

5 inventors:

goldMedal Takashi Nakamura (4 out of 5 patents)

silverMedal Satoshi Tanimoto (3 out of 3 patents)

bronzeMedal Yuji Kokubo (1 out of 7 patents)

4.  Tsuyoshi Funaki (1 out of 2 patents)

5.  Kiyokazu Nakajima (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nexfi Technology Inc.. Retrieved from https://idiyas.com/company/nexfi-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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