1865 | The first president Kosuke Tokunaga builds step kiln at Arita![]() |
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1915 | Established Tokko Ceramics Factory Koichi Tokunaga, the second president, started production of braziers |
1930 | Kiln changes from step kiln tosingle-room kiln |
1941 | The third president,Tetsuo Tokunaga begins production of household tableware |
1944 | Product tableware for Japanese armed forces as an Army designated factory (No. 80)![]() |
1954 | Started restaurant tableware (Hakukourai) |
1961 | Kiln changes from coal-fired to oil-fired |
1962 | Completed a new factory in Maruo, Arita Town. Relocate head office function. Build a heavy oil type tunnel kiln (main kiln 50m, unglazed kiln 25m) |
1963 | The company name changed of Tokko Ceramics Factory to Tokunaga Porcelain Co., Ltd. Inaugurated as President Tetsuo Tokunaga / Appointed Managing Director Ryuichi Tokunaga |
1967 | Hiroshi Tokunaga became managing director |
1970 | Built a gas-type kiln (main kiln 45m, unglazed kiln 25m) |
1984 | Tetsuo Tokunaga became chairman Ryuichi Tokunaga became the 4th president Hiroshi Tokunaga left the company in 1987 and established a new Tokkou kiln. |
1991 | Ryuichi Tokunaga introduces Japan’s first lineless glaze |
1993 | Changed the main kiln to a gas-type single kiln (3.5 cubic meters)![]() |
1995 | Joined Takanobu Tokunaga |
1997 | Takanobu Tokunaga became managing director First computer-controlled production system in Arita Supervised by Takanobu Tokunaga |
2010 | Feb Ryuichi Tokunaga became chairman / Takanobu Tokunaga becames the 5th president |
2012 | NHK Saga Broadcasting Station 70th Anniversary Drama “That Person That Day” Main Shooting Cooperation web site |
2013 | Great East Japan Earthquake support activities started |
2014 | Artist in Residence started |
2015 | Foreign Residence Coordinator hired |