SAP are one of the first corporates to embrace the design thinking methodology and as such have a lot of knowledge and examples to share. Start with this great in depth "Introduction to Design Thinking" by Gerd Waloszek and then move onto these:

Article: Design Thinking with SAP - the Old New Way to Solve Business Challenges

Video: Experiencing the SAP Design Thinking Process

Video: History of Design Thinking at SAP

Video: Design Thinking at SAP - Adam's Farm

Article: SAP Design Thinking in 1 Hour

Article: Meet Sam, Chief Design Officer at SAP