The original book 'The Police Officer's Essential Illustrated Guide - Kenpō' was written by Hisatomi Tetsutarō. Prior to the Meiji Restoration (1868), Nakamura & Uehara Shōgo (上原庄吾) of the Ryōi Shintō-ryū (良移心当流), Hisatomi Tetsutarō (の久富鉄太郎) of the Sekiguchi-ryū (関口流), (Shibukawa-ryū 渋川流), and Naka Danzo (仲段蔵) of the Sekiguchi Shinshin-ryū (関口新々流) were known as the Shiten'nō […]