@tarkan-san.
I do agree with what @theairtwit and @realdeal have said, and especially about their recommendations.
I've taken a look at your list. i don't know if it's complete but there aren't that many Japanese dramas on cour completed list, so I'm not sure this is enough to make an assomption that today's J-dramas are not as good as the previous ones (considering that Woman is not that old). It is a fact that Japanese dramas are less popular than what they were some years ago, at least in this community. But that doesn't mean there are not as good as "before". I'm not the kind to be nostalgic of the 90s and 2000s dramas (I haven't seen much in fact), and Im' alwyas able to find good dramas every season, even if pure gems are not that frequent.
From your PTW list there are many dramas I'm considering at least as good as those you've mentioned if not better. I would suggest, in no order : the Hero series, the liar Game series , LIFE, Maou (and they are from the same era as Mother). Other dramas from the second half of 2000s : Tumbling, Nobuta wo produce...
For more recent dramas (since 2011), I would also suggest Hanzawa Naoki, Kazoku Game, Nankyoku Tairiku, Wakamonotachi, Namonaki Doku and Petero no sourestu, Kazokugari... and so many more.
I've recently dive into the WOWOW mini-dramas which are of great quality. You might like it, at least as it's short, so you can give it a try.
All in all, as many of us have already done, search for the most famous ones at first, and then explore the less seen. Finding a great drama is not that easy, and you have to take the "risk" to see a bunch of average to find the gem you are searching for. If you need some recommendations, there are many japanese dramas lovers here who will gladly help you. I would also suggest to look into the forums, there were many threads asking for good recommendations but they tend to be burried.