🇯🇵 Japan · Tumulus
Ushizuka Kofun
Early–Middle Kofun c.450 CE (Asuka preceding) · Kofun (Kinai–Kanto diffusion)
Kanto scallop hotategai-kofun 67 m (c.450 CE) — double moat and box cist on Mibu Plateau (per Ushivika).
🇯🇵 Japan · Tumulus
Fujinoki Tumulus
Kofun Late 500–600 CE (Yamato Kinmei) · Yamato Late Kofun with Silla–Sassanian imports
Largest unlooted Late Kofun mound (560–590 CE) at Fujinoki west Horyu-ji — 48 m gilt-crown and Sassanian glass in stone corridor.
🇯🇵 Japan · Tumulus
Teraji
Kofun Middle–Late 400–600 CE (Kibi culture) · Kofun Kibi (Seto Inland-Kibi chiefdom)
Kibi keyhole tumulus (400–600 CE) at Teraji near Soja — 65 m yokoana corridor with Sue ware and Gaya bronze horse gear.
🇯🇵 Japan · Tumulus
Iwakura (Fukuoka)
Kofun Middle–Late 350–550 CE (Northern Kyushu–Genkai) · Northern Kyushu Kofun (Genkai–Itoshima)
Genkai coast 55 m keyhole (350–550 CE) at Iwakura hill Fukuoka — corridor with Sue ware, iron armor and haniwa house model bridging Yayoi to Yamato.