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深入了解日本刀知識與文化的見解
Comprehensive practical knowledge for acquiring, holding, and selling Japanese swords as investments. Explains price trends by NBTHK certification grade, compares purchase routes (auctions, specialist dealers, private sales), and covers risk management and exit strategies from an investor's perspective.
Ōsumi Shunpei is one of Japan's representative contemporary sword craftsmen. He holds the highest-ranking unmukan'sa qualification from the NBTHK and demonstrates exceptional skill under the Cultural Affairs Agency registration system. This article explains his forging philosophy focused on Bizen tradition restoration, his representative works, and workshop activities.
Sasanuki is a tachi attributed to Naminohira Yukiyasu, a swordsmith of Kamakura-period Satsuma, and is designated an Important Cultural Property held by the Kyoto National Museum. The Naminohira school to which Yukiyasu belonged was based in Satsuma Province (present-day Kagoshima Prefecture) and endured for roughly nine centuries from the late Heian period to the early Meiji era — Japan's southernmost and longest-lived classical (koto) sword lineage. This article surveys Sasanuki's form and workmanship, the origin of its name, its provenance, the lineage of the Naminohira school and Naminohira Yukiyasu, and how Satsuma blades are appraised and acquired today.
Soshu Sadamune was a master swordsmith of the Kamakura to Nanboku-Chō periods, said to be a senior disciple (or son) of Masamune. Kiribae Sadamune is the renowned epithet for one of his masterpiece short swords. This article details the technical characteristics of the two lineages, the designated Important Cultural Properties and National Treasures among extant works, and their relationship to the Five Legendary Swords.
A regional map of museums and galleries displaying Japanese swords, organized by location. Includes facility features, collections, and access information, plus sightseeing-combined viewing plans. A practical guide for visitors who want to combine sword appreciation with travel.
What kind of sword did Yamamoto Kansuke, military advisor to Takeda Shingen, wear? This article examines Kansuke's perspective on blades through historical records, explores the sword-wearing styles of Sengoku warlords, and investigates the blade culture of the Takeda clan as documented in the "Kōyō Gunkan."
The Aoe School, which flourished in Bitchu Province (present-day Okayama Prefecture), ranked among the highest peaks of the Koto period alongside the Bizen School as a premier group of sword smiths. This article details the techniques of successive master smiths including Tsunetugi, Tsugunaō, Tsugiyoshi, and Sadastugi; the characteristics of their tamahagane (sword steel); and the surviving National Treasure and Important Cultural Property works.
An account of the Ashikaga shogunate's Higashiyama Omono sword collection and the dobosu connoisseurs who evaluated and managed them, tracing the formation of medieval warrior sword aesthetics.
Awatagunchi Yoshimitsu (Yoshimitsu) was a sword maker of the Yamashiro tradition who flourished in the mid-Kamakura period and is counted alongside Masamune and Gono Yoshihiro as one of the "Heaven's Three Greatest Works" (Tenka Sanchi). Known as a master of tantō (short swords) characterized by nashiji (pear-skin) grain and straight blades, he left behind numerous renowned pieces including "Ichigo Hitofuri," "Namazu'o Tōshirō," and "Honekami Tōshirō." This article provides detailed explanation of Yoshimitsu's life, techniques, and representative works.
The role of bellows and charcoal selection in Japanese swordsmithing temperature and carbon control.
Fujishima Tomoshige was a sword smith who flourished in Echizen Province (present-day Fukui Prefecture) during the Nanboku-chō period and is regarded as the founder of the Fujishima School of Echizen. While influenced by the Soshu tradition, he established a unique Echizen jigane (blade steel texture) and laid the foundation for the sword culture of the Hokuriku region. This article explains in detail Tomoshige's forging style, historical context, and positioning in the history of Echizen swords.
Hamon typology explained through metallurgical science and clay-coating techniques.
