Empirical Research of the Maintenance Time of Foreign Patents Without the Foreign Priority Granted by USA, Korea, Japan and China
2016 ◽
pp. 57-65
2016 ◽
pp. 27-38
2008 ◽
Vol 18
(1)
◽
pp. 19-24
2012 ◽
Vol 220
(1)
◽
pp. 3-9
◽
Keyword(s):
2019 ◽
Vol 227
(1)
◽
pp. 64-82
◽
Keyword(s):
Keyword(s):
Keyword(s):