One in eight US patents on immersion cooling for data centers belongs to Baidu — more than Microsoft, Amazon, Google, Nvidia, Intel and Dell combined. It bet heaviest on two-phase cooling, whose working fluid stopped being manufactured at the end of 2025.
Apple killed its decade-long microLED display project in 2024. The same year, a Sunnyvale startup hit 200 femtojoules per bit shooting data between AI chips with the same physics — and now holds 84% of US patents in the niche.