% Expired Patents = 100.0

Trademarks = 1

Forward Citations = 124

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8 inventors (with patents filed for the assignee):

Akio Shibuya (2 out of 2 patents)

Yuki Watabe (2 out of 2 patents)

Sumiyo Okada (1 out of 44 patents)

4. Masahiko Murakami (1 out of 41 patents)

5. Satoshi Okuyama (1 out of 46 patents)

6. Keizo Terawaki (1 out of 1 patent)

7. Yoshitaka Ogawa (1 out of 1 patent)

8. Masaru Ikeda (1 out of 2 patents)

3 patents: Sort by Forward Citations

#3,547 in Tokyo

#8,929 in Japan

Nifty Corporation

Forward Citations = 124

8 inventors:

Akio Shibuya (2 out of 2 patents)

Yuki Watabe (2 out of 2 patents)

Sumiyo Okada (1 out of 44 patents)

4. Masahiko Murakami (1 out of 41 patents)

5. Satoshi Okuyama (1 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nifty Corporation. Retrieved from https://idiyas.com/company/nifty

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]