F4 - Cid Font F1 F2 F3

: They typically appear as "TrueType (CID)" or "Type 1 (CID)" with Identity-H encoding in Acrobat font properties. Common Mappings for F1–F4

A typical Japanese magazine PDF might use:

Today's standard for digital fonts is , but CID technology is not a relic. In fact, modern OpenType CJK fonts, like Adobe's Source Han Sans/Serif (also known as "Noto Sans/Serif CJK"), are built on a CID-based foundation.