Patents as instruments for exploring innovation dynamics: geographic and technological perspectives on "photovoltaic cells".
Loet LeydesdorffFloortje AlkemadeGaston HeimeriksRinke HoekstraPublished in: Scientometrics (2015)
Keyphrases
- technological change
- cellular automaton
- technological innovation
- united states
- information retrieval
- cellular automata
- knowledge management
- information technology
- schottky barrier
- technological innovations
- dynamic model
- living cells
- case study
- prior art
- dynamical systems
- multiple perspectives
- intellectual property
- information systems
- technology transfer
- thin film
- data sets
- geo referenced
- microscopy images
- microscope images
- solar cell
- theoretical perspectives
- patent search
- soft computing
- phase contrast images