共 14 条
[2]
Design patent map: An innovative measure for corporative design strategies
[J].
EMJ-ENGINEERING MANAGEMENT JOURNAL,
2007, 19 (03)
:14-29
[3]
CHEN JL, 2000, TECHNOLOGY MANAGEMEN, V5, P183
[4]
Herce J. L., 2001, World Patent Information, V23, P295, DOI 10.1016/S0172-2190(01)00029-1
[10]
PFEIFFER P, 2006, Patent No. 514027