How Many Steps Does Taguchi’s Product Design Approach Have?

Taguchi’s Product Design Approach is a process used to develop products that are more reliable and efficient. Developed by Japanese engineer Genichi Taguchi, this approach has been used to design products for more than 50 years.

Taguchi’s approach consists of four main steps. The first step is to determine the customer’s needs and objectives. This information is then used to create a product design specification which outlines the characteristics of the product, such as size, weight, materials, etc. The second step involves designing experiments that will test the product design under different conditions.

This helps engineers identify potential problems and optimize the design. The third step is to manufacture prototypes of the product and test them in real-world conditions. Finally, engineers analyze the results of their tests and make any necessary adjustments to improve the quality of the final product.

Taguchi’s approach emphasizes quality control throughout every stage of development. Quality control involves analyzing data from tests conducted during each step in order to make sure that each element of the design meets customers’ needs and standards. Through this process, Taguchi’s approach ensures that products are developed in an efficient manner while meeting customer requirements.


Taguchi’s Product Design Approach has four primary steps: determining customer needs, designing experiments, manufacturing prototypes, and analyzing results for quality control. This approach emphasizes quality control throughout every stage of development in order to ensure that products meet customers’ needs and standards.