There is an era of patents from the late 90s through the early-mid-00s that were insanely vague and rarely stand up to scrutiny, but most are expiring at this point, if they haven’t already. Generally, though, patents are not granted on “concepts” but on implementations. That’s a sometimes ambiguous line, but that’s a fundamental principle of modern patents.
Oh wow, this suit is shaping up to be silly. I didn’t realize it was filed in Japan, too. That makes the patent aspect even shakier. Japan has no discovery process like in the US, which is generally very necessary for many software-related patents as, assuming they have a strong likelihood of surviving challenge, they are typically drawn to processes that are completely obfuscated from the user and outside observes.