What is the difference between Toyota and Tesla?

Before the CES conference, Toyota finally made a big move. They announced that 5,680 patents of hydrogen fuel cell technology will be opened worldwide, including 1970 key technologies from Mirai. This means that everyone can use Toyota's patent of hydrogen fuel cell technology for free in the future. This move will naturally remind people of Tesla's patent public statement six months ago. However, although the two companies are competitors in the field of electric vehicles, they take completely different routes, which also determines that their patent opening is bound to be different. Tesla doesn't have a battery patent, while Toyota does. For those who want to learn something from Toyota and Tesla, among all the open technology patents, the most exciting and wanting to learn is the unique battery technology of these two companies. However, many people may not notice that Tesla's core component battery is purchased from Panasonic. Tesla has the management technology of 8000 battery packs, not the core technology of battery manufacturing. In other words,