Meet the maker: Ōsawa Kyūjirō Tōen, Matsukawa-gama.

Matsukawa-gama is one of only three Inuyama-yaki workshops still active today, out of eight recorded in the early Meiji period. Run by the Ōsawa Kyūjirō family since around 1870 and now in its fifth generation, the workshop is known for a glaze that mimics the texture of pine bark, developed by the second generation and distinctive enough that it gave the kiln its name.

Matsukawa pine bark glaze texture on Inuyama-yaki chawan, thick amber brown glaze pooling over bare clay, Ōsawa Kyūjirō Tōen

The matsukawa glaze up close: thick and glossy where it pools, thinning to bare clay elsewhere, the texture that gave Matsukawa-gama its name.

Who is behind Matsukawa-gama?

Inuyama, a castle town in Aichi Prefecture, has a pottery history that reaches back further than most people expect. As early as the mid to late 18th century, a potter named Okumura Denzaburō built a kiln in the Imai district using techniques learned in nearby Mino Province, producing simple daily wares finished in a glossy brown glaze. That line died out in 1781 with the third generation potter's death.

The tradition now known as Inuyama-yaki began properly in 1810, when Naruse Masanaga, the 7th lord of Inuyama Castle, ordered a local merchant, Shimaya Sōkurō, to revive ceramic production by opening a new kiln in the Maruyama district, east of the castle. The Naruse family had ruled Inuyama Castle since 1617, as chief retainers to the Owari Tokugawa domain, and continued to sponsor the kiln for decades. Under the patronage of Naruse Masanaga and his successor Naruse Masazumi, Inuyama potters developed unkin-de, the combination of cherry blossom and autumn maple leaf motifs that remains one of the style's most recognisable designs.

Production came to a halt in the early 1870s, when Japan's samurai class was abolished and the country moved into the Meiji era. It resumed about a decade later, in 1883, under the newly formed Inuyama Pottery Company, only to be struck again by the Nōbi earthquake of 1891, which badly damaged the kilns and dissolved the company. Several individual potters kept working through the difficulties that followed, some briefly turning to roof tiles to stay afloat, until a renewed interest in tea ceremony culture in the second half of the 20th century brought fine Inuyama ceramics back into demand. Of the many workshops that once worked through these cycles, only three remain today: Ozeki Sakujūrō Tōbō, Gotō Tōitsu Tōen, and Ōsawa Kyūjirō Tōen, the workshop behind this piece.

Ōsawa Kyūjirō Tōen's own shiori, included with pieces from the workshop, traces the family's own roots back roughly 300 years, likely reaching toward that earlier 18th century pottery activity in the area rather than the 1810 Maruyama kiln specifically. All potters at the workshop take the same name, Ōsawa Kyūjirō, passed down through the generations rather than a personal given name. It was the second generation who developed the glaze the workshop is now known for: a thick, uneven, deeply textured brown glaze that pools and thins across a piece the way bark builds up and peels on a tree trunk. In Japanese this kind of texture is called matsukawa, pine bark, a motif with a long history in Japanese design far beyond ceramics. Matsukawa-bishi, the geometric pine bark diamond, has appeared in kamon family crests, kimono textiles and lacquerware for centuries, and other ceramic traditions have their own interpretations of it too: Tokoname potters press a bark-like ridge into raw clay with a small wheel, Shigaraki potters stamp a related pattern before firing. What the second generation of Ōsawa Kyūjirō did was different again: not a stamped pattern or a woven design, but a glaze that pools and stands proud entirely on its own. It earned the workshop enough recognition at exhibitions that Matsukawa-gama, "the bark kiln," became its name.

No confirmed birth or death dates exist in any source consulted for any individual generation of Ōsawa Kyūjirō, including the third generation whose signature appears on pieces in this shop. Attributions to a specific generation rest on the signature itself, not on a documented personal history.


How to recognise a genuine piece

Look for a small round stamped seal, positioned just to the left of the kanji in the example below. It has a stylised, crest-like element across the top and a character inside the circle below it. Based on image analysis the lower part of the seal may read 犬山 (Inuyama), consistent with the workshop's location.


Signatures and shiori in our archive

Note on the base signature: there is a separate, additional inscription on the base, such as 米寿林 on the piece in this shop, possibly a personal mark referencing beiju, the traditional celebration of a maker's 88th year.


Meet the Ōsawa Kyūjirō Tōen, Matsukawa-gama items in collection


Sources

  • Physical examination of the seal, construction, and any award stickers on the pieces themselves

  • Information shared by dealers and specialists in Japan at the time of purchase

  • Japan Tourism Agency (Ministry of Land, Infrastructure, Transport and Tourism), Inuyama Ware, 2022, confirming the 1810 founding date, the Naruse family patronage, the three currently active workshops, and the early 1870s to 1891 disruptions.

  • The workshop is present on Facebook: facebook.com/oozawatoen

  • Japanese Wikipedia, 犬山焼 (Inuyama-yaki), confirming three currently active Inuyama-yaki workshops. Japan Tourism Agency (Ministry of Land, Infrastructure, Transport and Tourism), Inuyama Ware, confirming all three workshops still produce traditional tea bowls, cups and vases today.


Read more

  • →Ash-glazed stoneware like this asks for the same gentle handling as any glazed ceramic, rinsed by hand, dried fully, kept away from sudden temperature changes. Read the full guide here

  • → Fourteen days, one fire: what it actually takes to fire a Bizen kiln. A visit to Shibaoka Tōsendō during an active firing, standing at the kiln mouth while the family read the fire by eye and ear alone. Read the full visit in my journal.

  • → The styles of Bizen-yaki: hidasuki, goma, sangiri explained. Read the guide.


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