Is the term William Ouchi used to refer to the management approach typically used by firms in the US?

William Ouchi referred to the management approach typically used by firms in the U.S. as "Theory Z." This approach combines elements of both American and Japanese management styles, emphasizing a strong focus on employee involvement, long-term employment, and collective decision-making. Ouchi's Theory Z aims to enhance organizational effectiveness by fostering a culture of trust and collaborative work.