I am currently reading "The Idea Factory" [1], the story of Bell Labs and its innovation streak for many decades. There were so many amazing things Bell Labs worked on - all directly related to solving business problems. At one point, they were given a task of developing the most perfect lubrication oil dispenser with a requirement that it dispenses exactly 15 drops of oil per squeeze of the trigger. They worked on T…
Similarly Google has had huge contributions on "research" focused on their core problems: MapReduce, BigTable, Borg, BERT, etc.