The National Strategy office of Information and Communication Technology, Cabinet Secretariat, Government of Japan Standard Terms of Use… (2015 | edition)
“ For Content where a Third Party holds copyrights or other rights (e.g. portrait rights in a photograph, publicity rights etc.) , it is the responsibility of the user to obtain consent for use from the Third Party unless there is explicit indication that the rights have already been cleared. If a Third Party holds rights to a part of the Content, said fact may be directly or indirectly stated or indicated through source citations, but in some cases the part of the Content to which the Third Party holds the rights may not be clear or may not be explicitly stated. ”
