I did find the New "Japanese" (they say Japanese) similar style just for reference marketed through Chinese Wholesaler AliExpress:
Some of theirs seem to have four OR three flower petals. Your examples have three petals and the clear glass bubble in the flower center...
Bead lover, collector since Age 15, semi-retired had wholesale/retail bead, folk art, tribal art store Lost and Found Gallery for 25 yrs. in DT Greensboro, NC