Japanese ram was a challenger awhile back https://www.youtube.com/watch?v=ZOKBUI3p_cs

Ah, yes, the DRAM game of musical chairs. The whole history of DRAM competition is a really interesting one.

I read Jeho Lee's article and a few other sources while researching background material for Supply Chain Games: Part II --- https://www.embeddedrelated.com/showarticle/1452.php#dram

In this section, we’ll take a closer look at DRAM, and see why being in the DRAM business is like farming bananas, playing poker, participating in a dance marathon, and being chased by a bear.