Asian tea set -bits and pieces with trademark

I have been collecting tea pots for some time. This particular set is really well made and has a trademark. I loved it as it was so well done, the colors clearly defined and no sign of wear. My challenge is in identifying the trademarks, I have spent hours and hours searching. It is challenging for sure. I am anxious to find out where and dates, but I guess that is the challenge of many of us on this site...