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Keywords: Oil shale
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Journal Articles
The study of patent portfolio strategies of oil shale developers
Available to Purchase
International Journal of Innovation Science (2016) 8 (3): 254–268.
Published: 05 September 2016
...Shu-Hao Chang; Hsin-Yuan Chang Purpose The development of oil shale has become a popular technique in the energy industry in recent years. Although more research attention has been paid to this topic, there are scanty studies on patent portfolios. This study aims to explore this current mainstream...
