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For the Inventor, By the Inventor

Ama-gun, Japan

Nakamura Co., Ltd.

USPTO Granted Patents = 4

% Expired Patents = 25.0

Trademarks = 1

Forward Citations = 6

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3 inventors (with patents filed for the assignee):

goldMedal Takashi Nakamura (2 out of 2 patents)

silverMedal Akira Nakamura (1 out of 107 patents)

bronzeMedal Shunsuke Nakamura (1 out of 1 patent)


4 patents:

1. 12479239 - Caster (2025-11-25),
2. 8123791 - Patch for facilitating blood circulation (2012-02-28),
3. 5458178 - Lattice and security device for emergency escape (1995-10-17),
4. 4942705 - Window grating arrangement (1990-07-24),
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USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#1 in Ama-gun

#7,588 in Japan

Ama-gun, JP
Ama-gun, Japan

Nakamura Co., Ltd.

Forward Citations = 6

3 inventors:

goldMedal Takashi Nakamura (2 out of 2 patents)

silverMedal Akira Nakamura (1 out of 107 patents)

bronzeMedal Shunsuke Nakamura (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nakamura Co., Ltd.. Retrieved from https://idiyas.com/company/nakamura-company

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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