甲冑の変遷
Armor Evolution Timeline
The development of Japanese armor does not follow political-period boundaries neatly — dates overlap by convention. Trace the evolution from the mounted-archer ō-yoroi to the practical tōsei-gusoku of the Sengoku battlefield and the ceremonial armor of Edo.
縄文時代
Jōmon Period
c. 14,000–800 BCE
Historical Context
Pre-agricultural hunter-gatherer societies of the Japanese archipelago, known for cord-marked pottery and the world's earliest lacquerwork.
Armor from this period
No catalogued armor is currently recorded for this period.
Educational Disclaimer
This timeline is a historical and educational reference for the study of Japanese armor as material culture. Period dates are approximate and overlap by convention; armor attribution is separated from manufacturer marketing.