What did Thomas J Watson invent?

Thomas J. Watson did not invent any specific technology or product; rather, he is best known for his leadership at IBM, where he played a pivotal role in transforming the company into a major player in the computing industry. Under his guidance, IBM developed key innovations in data processing and computing technology, including the IBM 701, the first commercial scientific computer. Watson is also credited with promoting the idea of customer service and corporate culture in business.