Muromachi turned sword making into an industry: the uchigatana rose with massed infantry warfare, Osafune and Seki produced bundle swords beside custom orders, and the Ming trade carried Japanese blades abroad by the tens of thousands.
NihontoWatchNihontoWatchThis blade was signed by Bushu Shitahara Ju Yasushige (武州下原住康重). Bushu Shitahara is the name of the area in Hachioji city in today’s Tokyo, where he created this blade. The maker’s name Yasushige lasted several generations from the late Muromachi period until the end of the Edo period. We estimate this blade was forged by late-gen Yasushige, active during the early Edo period, judging from the inscription on the tang. Yasushige belonged to Bushu Shitahara school in today’s Tokyo (Hachioji city). It is said that Yamamoto Norishige founded the school, and it thrived from the end of the Muromachi period to the late Edo period (Late 16th century to Late 19th century). The swordsmiths who lived in Shitahara were called Shitahara Kaji. They were the group of swordsmiths under the Hojo clan’s auspicious, powerful feudal line during the late Muromachi period first. It is said that the first-gen Yasushige was the son of Chikashige, another prominent figure in this school. The first-gen Yasushige originally signed Chikashige as his first maker’s name. However, he changed it to Yasushige after receiving 康 (Yasu) letter from Hojo Ujiyasu, a famous feudal lord he served. After the Toyotomi clan destroyed the Hojo clan in the Azuchi Momoyama period, Shitahara started to serve the Tokugawa clan as Okakae Kaji, swordsmiths exclusively working for a specific feudal family. Most of the Shitahara swordsmith’s real sir name was Yamamoto. They especially flourished during the late Muromachi period -early Edo period. They kept forging for the Tokugawa clan until the end of the Edo period. Among the Bushu Shitahara group, Yasushige was one of the most famous makers. One of the most distinctive characteristics of the blades forged by Shitahara Kaji is Jorinmoku (如輪杢), which looks like a whirlpool on Hada (the steel surface of the Japanese sword). It is appraised as a Hozon Token (保存刀剣) issued by NBTHK (Nihon Bijutsu Touken Hozon Kyokai: 日本美術刀剣保存協会). *Please keep in mind that there are a couple of black rusts on the Mune (backbone of the blade). If you like to see more detailed condition, please feel free to contact us. Authentication Paper They authenticated the blade on Feb 21st in the 6th year of Reiwa (2024). They appraised it as Hozon Touken, the blade especially worth preserving for Japanese society. Registration Number It is called Jyu Ho Token Rui Torokusho (銃砲刀剣類登録証).
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Shinto · Musashi · around 1558-1570
Tōken Taikan top 60%
1 piece on the market now
Where Yasushige stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
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Shinto · Musashi
7 pieces on the market now
The Shitahara group (下原) worked at Hachiōji in Bushū, the old province of Musashi, from the end of the Muromachi period and carried its forge on into the Edo period. The setsumei place the lineage among the swordmakers of Musashi in the kotō age and name Terushige, Yasushige, Hiroshige, and Chikashige as its leading hands, with the meikan recording Terushige across three generations: a shodai in Kyōroku, a nidai in Eiroku, and a sandai in Tenshō. " That same blade was made to order, in this case from Hagiwara Kaminao of Kōshū, marking the group as a working provincial forge serving its region. In the forging the setsumei return repeatedly to an itame-hada freely mixed with mokume that stands up rather than lying flat, the grain described as hada-datsu, often running to nagare near the edge and taking on an ayasugi-like, whorled or vortex-like cast in the jigane. The temper is a moderately undulating notare into which gunome enter, frequently in regular paired sequences, with pointed togariba, a chōji-like feeling at times, and ko-nie clinging along a nioiguchi that can settle into a subdued shizumi tone; sunagashi and ashi appear within the ha, and the bōshi tends to run midare-komi and turn back in maru. One katana sets gunome, ō-midare and angular elements into a notare, its bōshi sweeping off in hakikake.
The setsumei read this hand as a synthesis drawing on late Sōshū and the Muramasa line together with late Mino tendencies, which together account for the standing grain and the paired gunome. For kantei the markers are consistent: the risen mokume with its ayasugi turn, the regularly paired gunome, and a build suited to the uchigatana of the closing Muromachi years, often with pronounced sakizori and an extended chū-kissaki. Carving recurs, including bō-hi, bonji, gomabashi, and a deeply cut kurikara-ryū whose coiling tail the NBTHK singles out as characteristic. Named and dated pieces anchor the group: the Yamamoto Genjirō Terushige naginata, uncommon as a double-edged ryōba form, and a Terushige katana appraised between Eiroku and Tenshō that the register calls the hakubi of the school. The setsumei note that Shitahara work survives in number into the shintō period while outstanding examples remain few, which sets these designated blades apart within the lineage. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Terushige照重 | 1558-1570 | 2 |
| Terushige照重 | 1596-1615 | 1 |
| Yasushige康重 | 1558-1570 | 1 |
| Morishige盛重 | 1661-1673 | 0 |
| Yasushige康重 | 1661-1704 | 0 |
The Muromachi period (1392 to 1573)
Muromachi turned sword making into an industry: the uchigatana rose with massed infantry warfare, Osafune and Seki produced bundle swords beside custom orders, and the Ming trade carried Japanese blades abroad by the tens of thousands.
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
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