EPO Patents = 1

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Hirohiko Kuratsune (2 out of 3 patents)

Toru Shimuta (1 out of 51 patents)

Yasuyoshi Watanabe (1 out of 1 patent)

4. Kazuyoshi Ikuta (1 out of 6 patents)

5. Akikazu Sakudo (1 out of 1 patent)

6. Yasuyoshi Watanabe (0 patent)

2 patents: Sort by Forward Citations

1. 10034612 - Biological state eliminating apparatus and method (2018-07-31),

2. 8233960 - Method and device for diagnosing chronic fatigue syndrome (CFS) by using near infrared spectrum (2012-07-31),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#1,147 in Osaka

#11,133 in Japan

Osaka, Japan

Fatigue Science Laboratory Inc.

Forward Citations = 1

5 inventors:

Hirohiko Kuratsune (2 out of 3 patents)

Toru Shimuta (1 out of 51 patents)

Yasuyoshi Watanabe (1 out of 1 patent)

4. Kazuyoshi Ikuta (1 out of 6 patents)

5. Akikazu Sakudo (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fatigue Science Laboratory Inc.. Retrieved from https://idiyas.com/company/fatigue-science-laboratory

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]

1 patent (EPO):

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]