Japan Castle Atlas

Mamiya Yasutoshi

間宮康俊

A Hojo commander who is said to have fought Toyotomi forces around the Third Bailey and the Daisaki outwork during the 1590 battle at Yamanaka, and to have died there.

Years: ?–1590

Tradition

Story

His daughter is said to have founded Sokanji Temple on the site of the Third Bailey in 1620 to pray for him. Mishima City features him on one of the castle's warlord commemorative seals.

Connected castles

The shoji-bori moat seen from near the West Bailey, June 2009. Earthen ridges divide the moat floor into cells, like the frame of a paper sliding door (shoji).

In-depth article

Mishima, Shizuoka

Yamanaka Castle

山中城

Moats shaped from earth alone, without a single stone, form a grid pattern with Mount Fuji behind them on clear days.

Japan's 100 Fine Castles No. 44CastleMountain

Mocchy at Japanese WikipediaPublic domainWikimedia Commons

defending commander killed in 1590Record source: article

Sasage Castle

Basic information

Kanagawa

Sasage Castle

笹下城

MiukenCC BY-SA 4.0Wikimedia Commons

LordRecord source: wikipedia

Sources

1
山中城(補助資料・Wikipedia日本語版)Checked: 2026-10-03
2
史跡山中城跡史跡公園の利用について(三島市)Checked: 2026-10-03