Fig. 5

Temporal technical distribution of dental implant patents from 00’ ~ 20’. A The ThemeScape-based patent analysis shows that there are differences in applied technology areas by period. Patents filed in the early 2000s (00’ ~ 04’) are marked as “old” (yellow region), and those filed in the last 5 years (16’ ~ 20’) are marked as “new” (blue region). B Summary table of technical categories in each period