— 1980: New Product and Development Service Process (Hauser)
– 1986: Stage Gate (Cooper)
– 1992: Innovation Funnel (Wheelwright & Clark)
– 1992: New Product Development Funnel (McGrath)
– 2005: Innovation Funnel (MIT)
And he proposes a new design in the end. The article, however, misses the evolution of Open Innovation.
Read full article: Where does ‘The Innovation Funnel’ come from? A short history.