F-Term Vs IPC/CPC For Japanese Patents

Explanation of F-Term Classifications F-Term is a multidimensional classification system consists of a theme and multiple viewpoints. There are about 2,600 Themes which can be further divided to form 380,000 different classifications. The notation of F-term is shown below. Theme code: represents a technical field Viewpoint: analyses the theme (material, purpose, operation, manufacturing, etc.) Figure: […]

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