FYI, while you talk about property rights, the secrecy of communication is guaranteed in Japan.

https://njump.me/nevent1qqs9yelshaztx4n7u9ha0mzuw53q3aezgagrjd75jkac0m860s0su6czyq6cndunh9mufup9zad067fw03gaymhksw69e0rxc4ky699d2wz8ut7dmpg