Red Seal Ship Trade System

Timeline

1. 1592–1598Fushimi Castle, Japan · JapanFrom 1592 Toyotomi Hideyoshi began issuing licenses bearing a red official seal (shuinjō) to Japanese merchant ships bound for Southeast Asia, granting licensed vessels the right to trade legally at designated ports. The system aimed to bring foreign trade under central control while excluding unlicensed wakō-style trade. Licensed merchants could travel to Cochinchina (Vietnam), Luzon (Philippines), Siam (Thailand) and elsewhere to exchange silk, porcelain and spices.
2. 1600–1620Edo shogunate and Southeast Asian Japanese towns · JapanAfter winning the Battle of Sekigahara (1600), Tokugawa Ieyasu continued and expanded the Red Seal ship system, issuing over 350 shuinjō between 1603 and 1620. In Hoi An in Cochinchina, Ayutthaya in Siam, Manila in Luzon and elsewhere, Japanese merchants formed Japanese towns (Nihonmachi), and figures such as Yamada Nagamasa participated deeply in local politics. The Tokugawa shogunate also granted limited trading rights to the Dutch VOC and the English East India Company, engaging in indirect competition and cooperation with foreign merchants under the Red Seal ship system.
3. 1621–1635Japanese towns across Southeast Asia and the port of Nagasaki · Japan1621–1635 was the peak of Red Seal ship trade, with an average of over 20 ships sailing annually to more than ten ports across Southeast Asia. However, the shogunate grew increasingly wary of the spread of Christianity and of daimyō expanding influence overseas; from 1633 it successively issued sakoku edicts restricting Japanese travel abroad. The third sakoku edict of 1635 completely banned Japanese ships from leaving port, abruptly ending the Red Seal ship trade system; thereafter Japanese foreign trade was conducted only through the Dutch and Chinese trading posts at Nagasaki, forming an extremely controlled foreign window.