Amusetec Co., Ltd.

Calculating rank

USPTO Granted Patents = 7

% Expired Patents = 85.7

Trademarks = 1

Forward Citations = 131

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4 inventors (with patents filed for the assignee):

Doill Jung (7 out of 7 patents)

Hunseok Seo (2 out of 2 patents)

Gi-Hoon Kang (2 out of 2 patents)

4. Yong-Woo Jeon (1 out of 20 patents)

7 patents: Sort by Forward Citations

1. 7493254 - Pitch determination method and apparatus using spectral analysis (2009-02-17),

2. 7470856 - Method and apparatus for reproducing MIDI music based on synchronization information (2008-12-30),

3. 7189912 - Method and apparatus for tracking musical score (2007-03-13),

4. 7038120 - Method and apparatus for designating performance notes based on synchronization information (2006-05-02),

5. 7012186 - 2-phase pitch detection method and apparatus (2006-03-14),

6. 6930236 - Apparatus for analyzing music using sounds of instruments (2005-08-16),

7. 6856923 - Method for analyzing music using sounds instruments (2005-02-15),

Company Overview

Amusetec Co., Ltd. is a leading provider of amusement products and services. With a focus on innovation and quality, we offer a wide range of arcade games, virtual reality experiences, and other entertainment solutions. Our team is dedicated to creating memorable and engaging experiences for our customers, helping them to attract and retain guests. Visit our website to learn more about how Amusetec can help elevate your entertainment offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#54 in

#1,435 in South Korea

KR

Amusetec Co., Ltd.

Forward Citations = 131

4 inventors:

Doill Jung (7 out of 7 patents)

Hunseok Seo (2 out of 2 patents)

Gi-Hoon Kang (2 out of 2 patents)

4. Yong-Woo Jeon (1 out of 20 patents)

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