Bosch's performance in the article is related to their hand and power tool business only.
Does Panasonic manufacture their own power tools, or does someone else?
Home Depot's share of the pie purposely excludes their sales of brands like Ryobi, Dewalt, Milwaukie, etc.
As far as batteries go, they aren't tools, themselves. They're a commodity that's used in power tool battery packs. Samsung manufactures a lot of lithium-ion batteries, but they're not on this list either.
If this article was going to include Panasonic because of batteries they manufacture that get used in power tools, then it would need to include motor manufacturers, etc. etc.