- 11.11.1936
- - Establishment of Nakagawado (former name of Nakagawa Chemical)
- 1946
- - Restart of the business of Nakagawado after the World War II
- 1961
- - Organizational change and establishment of Nakagawado Co., Ltd. - Establishment of New Material Development Department, and the start of the development of Cutting Sheet®
- 1966
- - Start of sales of Cutting Sheet®, the color materials that replace paint
- 1967
- - Start of the sales of Windy
- 1.8.1975
- - Establishment of Nakagawa Chemical
(The New Material Development Department of Nakagawado became an independent company.) - 1976
- - Start of the sales of Tuffcal
- 1978
- - Establishment of Osaka Office
- 1979
- - Start of the sales of TENTAC
- 1982
- - First CS Design Award
(Mr. Masami Katsumi agreed on becoming the head judge.) - 1985
- - Birth of Koshin- Kan Dojo
- 1986
- - Foundation of Alchemy - Fourth CS Design Award (The award program adopted biennale style after this.) - Mr. Ikko Tanaka selected colors, and the color lineup of Cutting Sheet® increased to 100 colors.
- 1987
- - Foundation of Ningen to Symbol
- 1989
- - Establishment of Fukuoka Office - Start of the development of NOCS2500 with Japan Color Research Institute
- 1990
- - Color lineup of Cutting Sheet® increased to 200 colors. - Establishment of Sapporo Office
- 1995
- - Start of the sales of NOCS
- 1998
- - Tenth CS Design Award, the start of the Student Division in the award
- 2000
- - Start of the sales of Windy Collection
- 2001
- - Relocation of the Tokyo Warehouse from Kinshicho to the current location at Matsumoto, Edogawa- ku - Start of the sales of Super MATERIO
- 1.4.2002
- - Relocation of the head office to the current location - Completion and the sales of Murano Iro Machino Iro, an environmental instruction manual based on NOCS2500 at the request to cooperate in the preparation of a landscape and environment instruction manual for the Ministry of Agriculture, Forestry and Fisheries - Addition of 222 farmland landscaping colors to NOCS, which became 518 colors in total - Twelfth CS Design Award: The Student Division became an independent CS Design Student Award.
- 15.10.2007
- Opening of CS Design Center
