1959The Hayashi family of glaze makers and the Taniguchi family of potters jointly establish Taniguchi Seitosho in Kasahara, Gifu, and begin producing mosaic tiles.
1963A new factory opens in Kani.
1964Reorganised as Taniguchi Seitosho Co., Ltd.
1984Kani Factory No. 1 is renewed; production in Kasahara ends.
1987Kani Factory No. 2 is renewed.
1989Headquarters move to Hiromi, Kani.
1998Factory No. 2 is upgraded with a 600-tonne press.
2002The business is reorganised as TN Corporation.
2008A regional resource development plan is recognised by METI's Chubu bureau.
2010Direct overseas sales begin.
2011TILE PARK launches its online tile shop for the Japanese market.
2014TN Product is established for manufacturing.
2018The factory obtains JIS certification.
2019A logistics warehouse opens in Tajimi, Gifu.
2020Import and export operations spin off as JT Trading.
2026Manufacturing, sales and international trade unite under TN Product.
2026Selected for Habataku 300 (overseas expansion).
CREDENTIALS
Supporting member
JCD and JID — Japan’s associations of commercial-space and interior designers.
Design award
Ceramic wall "IN-EI"
Overseas Expansion
Habataku 300 — Selected by Japan’s Ministry of Economy, Trade and Industry (METI).
