TY - JOUR
T1 - Mapping technological development using patent citation trees
T2 - an analysis of bogie technology
AU - Gui, Bingxiu
AU - Ju, Yanbing
AU - Liu, Yun
N1 - Publisher Copyright:
© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
PY - 2019/2/1
Y1 - 2019/2/1
N2 - We create a generational patent citation tree to reveal the development of bogie technology in the high-speed rail industry. We cull the information in patent citations to reveal the generational development of bogie technology by analysing patent titles, patent publication dates and patent-granting regions. We then measure the development of bogie technology by calculating its technological development on-orbit rate and by mapping the stages of technological development and its regional diffusion. The results show that bogie technologies are in a period of sustained growth and this period of sustained growth will remain. Technological development is accelerating and this acceleration will persist, although the global dispersion of technology lags behind in scope and speed.
AB - We create a generational patent citation tree to reveal the development of bogie technology in the high-speed rail industry. We cull the information in patent citations to reveal the generational development of bogie technology by analysing patent titles, patent publication dates and patent-granting regions. We then measure the development of bogie technology by calculating its technological development on-orbit rate and by mapping the stages of technological development and its regional diffusion. The results show that bogie technologies are in a period of sustained growth and this period of sustained growth will remain. Technological development is accelerating and this acceleration will persist, although the global dispersion of technology lags behind in scope and speed.
KW - Patent citation tree
KW - bogie technology
KW - technological development on-orbit rate
KW - technological development path
UR - http://www.scopus.com/inward/record.url?scp=85049643581&partnerID=8YFLogxK
U2 - 10.1080/09537325.2018.1493190
DO - 10.1080/09537325.2018.1493190
M3 - Article
AN - SCOPUS:85049643581
SN - 0953-7325
VL - 31
SP - 213
EP - 226
JO - Technology Analysis and Strategic Management
JF - Technology Analysis and Strategic Management
IS - 2
ER -