Kay - Does it need to be relevant to the other names you have ?
do you want it to include "product Design" in the title for SEO ?
A few quick thoughts to get the thread rolling.....
INPUT Product Design
Blueprint
Vision2Reality "you supply the vision, we make it a reality"
123 Product Design
Vision2Entity
The Journey Product Design
I for Innovation (eye symbol)
High Calibre Innovations
Creative Juice Design
InnovativeInvention
Frontal Lobe Design
ANT product Design (a nice title
)
Designers for Innovation
the Product Designers
GENIUS Design
i will no doubt carry on thinking...
