Obata Kagenori (小幡景憲) (1572–1663), also known as Obata Kanbē (小幡勘兵衛), was a Confucian scholar and samurai retainer of the

Takeda clan The was a Japanese samurai clan active from the late Heian period until the late 16th century. The clan was historically based in Kai Province in present-day Yamanashi Prefecture. The clan reached its greatest influence under the rule of Taked ...

during Japan's

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

. He is perhaps most well known for his completion of the ''

Kōyō Gunkan The is a record of the military exploits of the Takeda family, compiled largely by the Takeda vassal Kōsaka Danjō Masanobu, and completed in 1616 by Obata Kagenori. It provides some of the most detailed descriptions and statistics of warf ...

'', the chronicle of the Takeda clan's military campaigns begun by

Kōsaka Masanobu also known as was a Japanese samurai warrior of the Sengoku period. He was known as one of the " Twenty-Four Generals of Takeda Shingen". He is often credited as the original author of ''Kōyō Gunkan'', which records the history of the Take ...

, and for founding the Kōshū-ryū Gungaku, a school for studying the arts of war. Kagenori was the third son of

Obata Masamori , also known as Obata Nobusada, was a Japanese samurai warrior. He is known as one of the " Twenty-Four Generals of Takeda Shingen". He was the son of Obata Toramori, and came from western Kozuke province. He fled Kozuke and joined the Takeda a ...

, and fought under

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fello ...

at the battle of Sekigahara in 1600, and at the

siege of Osaka The was a series of battles undertaken by the Japanese Tokugawa shogunate against the Toyotomi clan, and ending in that clan's destruction. Divided into two stages (winter campaign and summer campaign), and lasting from 1614 to 1615, the siege ...

fifteen years later.

References

*Frederic, Louis (2002). ''Japan Encyclopedia.'' Cambridge, Massachusetts: Harvard University Press. 1572 births 1663 deaths Samurai {{samurai-stub