Ryujin Swords

Katana by Takeyama Yoshinao

Click on any picture for more detail.


Period: Showa, pre-1941.

Mei: Seki Takeyama Yoshinao saku. With Sho stamp and kokuin.

Sugata: Shinogi-zukuri, tori-zori, iori-mune.

Overall length: 32.52 inches (826.00 mm).

Nagasa: 25.28 inches (642.00 cm) long.

Nakago: Ubu, 7.24 inches (184.00 mm), one mekugi-ana. The yasurime are takanoha, and the nakago-jiri is ha agari kurijiri.

Kissaki: A medium sized kissaki, 1.50 inches (38.20 mm) long. The boshi appears to be yakizume.

Moto-haba: 1.25 inches (31.80 mm). Moto-gasane: 0.27 inches (6.80 mm). Saki-haba: 0.89 inches (22.70 mm). Saki-gasane: 0.21 inches (5.40 mm).

Sori: 0.62 inches (15.80 mm).

Hamon: Suguha.

Hada: Someone saw a very faint ko-itame hada. I don't. Then again, the blade needs polishing, so there may be a surprise in store.

Blade condition:

Scuffs, light surface rusting, nothing serious, but the blade does need a polish. This would get rid of all the surface defects. No flaws, ware, hagirae or bends.


Plain iron mokko tsuba, civilian black lacquered saya, and floral shakudo menuki. See pictures


Takeyama Yoshinao (YOS 1606) was born in Gifu prefecture in 1908 as Takayama Isao. 1941 Hagio Takahashi listed him as Joko no Retsu, whilst Kurihara Hikosaburo listed him in the following year as Chu Saku. He was, in short, a middle ranking competent smith

Takeyama Yoshinao is listed in Japanese sources such as Nihonto Meikan and Tosho Zenshu as a Rikugun Jumei Tosho. Smiths in the RJT scheme were given tamehagane with which to make traditionally made swords. The swords produced under this scheme are identified with a star stamp.

1,000. Free shipping, bag included. Email me for payment methods. Currency conversion.