% Expired Patents = 66.7

Forward Citations = 52

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6 inventors (with patents filed for the assignee):

Kazuhiro Namba (3 out of 21 patents)

Norio Nakayama (3 out of 9 patents)

Masatoshi Yamaoka (1 out of 14 patents)

4. Katsuhiro Goto (1 out of 5 patents)

5. Hirotomo Yotsugi (1 out of 4 patents)

6. Satoko Naito (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 7278922 - Operation suppression program, operation suppression method, and video game device (2007-10-09),

2. 6884163 - Game method for effecting aging of competing characters independent of game player participation (2005-04-26),

3. 6881148 - Net game system, processing method for playing net game, and computer-readable storage medium for storing program for playing net game (2005-04-19),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Konami Computer Entertainment Studios, Inc.

Forward Citations = 52

6 inventors:

Kazuhiro Namba (3 out of 21 patents)

Norio Nakayama (3 out of 9 patents)

Masatoshi Yamaoka (1 out of 14 patents)

4. Katsuhiro Goto (1 out of 5 patents)

5. Hirotomo Yotsugi (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Konami Computer Entertainment Studios, Inc.. Retrieved from https://idiyas.com/company/konami-computer-entertainment-studios

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]