Keyphrases
Automobile
33%
Battery Electric Vehicle
100%
Business Performance
33%
Carbon Dioxide Emissions
33%
Carbon Neutrality
33%
Decarbonization
33%
Development Activities
33%
Electric Fuels
33%
Empirical Economics
33%
Environmental Technology
33%
Fuel Cell Vehicle
66%
Green Patents
66%
Green Technology
33%
Green Vehicles
100%
Greenhouse Gas Emissions
33%
Hybrid Electric Vehicle
66%
International Patent Classification
33%
Japan
66%
Japanese Firms
33%
Japanese Patents
100%
Knowledge Domain
33%
Language Background
33%
Long-term Strategy
33%
Machine Learning
33%
Major Contributor
33%
Natural Language Processing
33%
Nitrogen Oxides
33%
Patent Data
100%
Patent Keyword
33%
Patent Office
33%
PATSTAT
33%
Social Situation
33%
Statistical Analysis
33%
Technological Shift
33%
Technology Development
33%
Technology Evolution
33%
Vehicle Powertrain
100%
Vehicle Powertrain System
66%
Virtuous Cycle
33%
Wand
33%
Engineering
Battery Electric Vehicle
50%
Fuel Cell Electric Vehicle
50%
Greenhouse Gas
25%
Hybrid Electric Vehicle
50%
Japan
50%
Learning System
25%
Natural Language Processing
25%
Patent Office
25%
Powertrain
100%
Statistical Data
25%
Technological Development
25%
Social Sciences
Applied Research
25%
Carbon Dioxide
25%
Electric Vehicles
100%
English
25%
Hybrid-Electric Vehicle
50%
Japan
50%
Natural Language Processing
25%
Patent Classification
25%
Research and Development
25%
Social Situation
25%
Statistical Data
25%
Technology Development
25%
Material Science
Battery (Electrochemical Energy Engineering)
100%
Carbon Dioxide
50%
Gas Emission
50%
Greenhouse Gas
50%
Nitrogen Oxide
50%
Patent Classification
50%