Review Article
Emerging Technologies of Natural Language-Enabled Chatbots: A Review and Trend Forecast Using Intelligent Ontology Extraction and Patent Analytics
| | Top | Assignee | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
| | 1 | IBM | 12 | 14 | 22 | 24 | 26 | | 129 | 231 | 313 | 498 | 1,358 | | 2 | Microsoft Technology Licensing LLC | 0 | 0 | 0 | 0 | 12 | 14 | 23 | 39 | | 125 | 285 | | 3 | Amazon Tech Inc. | 0 | 2 | 0 | 0 | 8 | 16 | 15 | 35 | | 57 | 197 | | 4 | Google LLC | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 36 | | 185 | | 5 | Samsung Electronics Co. Ltd. | 2 | 4 | 4 | 3 | 5 | 6 | 8 | 19 | 27 | | 152 | | 6 | Nuance Communications Inc. | 4 | 4 | 9 | 14 | 12 | 12 | 17 | 15 | 15 | 23 | 125 | | 7 | Accenture Global Solutions Ltd. | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | | 77 | 123 | | 8 | Beijing Baidu Netcom SCI & TEC | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 10 | | 109 | | 9 | Microsoft Corp | 21 | 21 | 14 | 17 | 8 | 2 | 4 | 3 | 2 | 2 | 94 | | 10 | Univ Kunming Science and Tech | 0 | 1 | 0 | 0 | 1 | 3 | 1 | 15 | | 23 | 91 | | 16 | Apple Inc. | 0 | 1 | 0 | 3 | 1 | 1 | 6 | 10 | 19 | 36 | 77 | | 17 | Facebook Inc. | 0 | 0 | 0 | 2 | 1 | 3 | 5 | 4 | 19 | 38 | 72 |
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