Hojo-ryu Jujutsu

Modern judo established by Jigoro Kano in 1882, systematizing classical jujutsu with emphasis on educational value. It evolved into an Olympic sport, now practiced in over 200 countries worldwide. It represents the greatest success in spreading Japanese martial arts globally, fundamentally transforming ancient jujutsu into a modern, internationally recognized discipline.

An ancient iaido school established during the Edo period with a precisely systematized form from drawing the sword through sheathing. Still maintained by practitioners primarily in Eastern Japan, it is highly valued as a classical martial art. Represents one of the important source lineages in the technical systems of iaido practice.

A ninjutsu school developed in the Koga region of Shiga Prefecture, representing one of Japan's two major ninja traditions alongside Iga-ryu. Characterized by pharmaceutical knowledge and poison-making techniques, it excelled in espionage activities. Formally documented during the Edo period, modern organizations continue researching and preserving Koga ninja traditions, contributing to understanding historical Japanese covert martial practices.

Classical jujutsu school established by retainers of the Hojo clan during the Edo period. Featuring joint locks and throwing techniques in a practical combat system, it developed as a samurai grappling art. Now studied and practiced by classical martial arts organizations, it represents an important historical source of Japanese jujutsu systems.

Founded by Hironori Ohtsuka in 1934, this style integrates elements of judo and jujutsu, emphasizing flexible techniques that utilize an opponent's force. Based on 'wa' (harmony) philosophy, it balances defensive and offensive efficiency. One of the major styles recognized by the World Karate Federation.

Traditional grappling martial arts established by the Edo period. Numerous schools (ryu) including Yagyu and Kanoesutsu styles systematized throwing, grappling, and striking techniques. Greatly influenced the creation of modern judo in the Meiji period. Dozens of traditional jujutsu schools continue today, many protected as cultural properties.

A collective term for classical Japanese jujutsu schools dating from the Edo period and earlier. These diverse traditions encompass throws, joint locks, and strikes, each school developing its own technical system. It served as the direct foundation for Jigoro Kano's Kodokan Judo and remains an important martial heritage preserved in traditional forms across Japan.