% Expired Patents = 100.0

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Masahiro Hirao (1 out of 1 patent)

Hirotsugu Ogi (1 out of 8 patents)

Tsutomu Kikuchi (1 out of 1 patent)

4. Kiyohazu Fujimaki (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 7886604 - Electromagnetic ultrasonic flaw detection method and electromagnetic ultrasonic transducer to be used therefor (2011-02-15),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#1,658 in Osaka

#15,759 in Japan

Osaka, Japan

Japan Industrial Testing Corporation

Forward Citations = 1

4 inventors:

Masahiro Hirao (1 out of 1 patent)

Hirotsugu Ogi (1 out of 8 patents)

Tsutomu Kikuchi (1 out of 1 patent)

4. Kiyohazu Fujimaki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Industrial Testing Corporation. Retrieved from https://idiyas.com/company/japan-industrial-testing

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]