Overview

The development of new environmental technologies plays a critical role in making environmental protection more effective and economically viable. This book opens a truly innovative perspective for understanding environmental innovation essential to a sustainable society, and develops tools for analyzing shifts in research and development (R&D) strategies and technology development priorities through quantitative patent data analysis. Using a patent decomposition framework, the book systematically examines three critical environmental technology domains across the world's major patent offices: renewable energy, environmentally friendly vehicles, and pollution control. Technologies covered include solar power, offshore wind, electric vehicles, plug-in hybrid vehicles, and waste management and recycling. A key finding is that apparent declines in patent activity often reflect rational strategic reallocation rather than innovation stagnation, revealing how market forces, policy incentives, and national industrial structures collectively reshape R&D priorities. Thus, this book creates a new quantitative understanding of R&D strategies for environmental technology innovation.

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9789819200597

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Hidemichi Fujii is a professor at the Faculty of Economics at Kyushu University. He published more than 100 peer reviewed articles and the number of it’s citations exceeds 5,000. His research interests include innovation analysis using patent data. He has been included in the ""Top 2% Scientists in the World"" list published by Stanford university and Elsevier Scopus. His work has appeared in academic journals including Nature Sustainability, Nature Communications, Global Environmental Change, Business Strategy and the Environment, and Technological Forecasting & Social Change.

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