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来源类型Working Paper
规范类型报告
DOI10.3386/w24793
来源IDWorking Paper 24793
Some Facts of High-Tech Patenting
Michael Webb; Nick Short; Nicholas Bloom; Josh Lerner
发表日期2018-07-16
出版年2018
语种英语
摘要Patenting in software, cloud computing, and artificial intelligence has grown rapidly in recent years. Such patents are acquired primarily by large US technology firms such as IBM, Microsoft, Google, and HP, as well as by Japanese multinationals such as Sony, Canon, and Fujitsu. Chinese patenting in the US is small but growing rapidly, and world-leading for drone technology. Patenting in machine learning has seen exponential growth since 2010, although patenting in neural networks saw a strong burst of activity in the 1990s that has only recently been surpassed. In all technological fields, the number of patents per inventor has declined near-monotonically, except for large increases in inventor productivity in software and semiconductors in the late 1990s. In most high-tech fields, Japan is the only country outside the US with significant US patenting activity; however, whereas Japan played an important role in the burst of neural network patenting in the 1990s, it has not been involved in the current acceleration. Comparing the periods 1970-89 and 2000-15, patenting in the current period has been primarily by entrant assignees, with the exception of neural networks.
主题Industrial Organization ; Industry Studies ; Development and Growth ; Innovation and R& ; D
URLhttps://www.nber.org/papers/w24793
来源智库National Bureau of Economic Research (United States)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/582467
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Michael Webb,Nick Short,Nicholas Bloom,et al. Some Facts of High-Tech Patenting. 2018.
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