- 1943
- Daiko started doing business in Makimachi 2, Kyobashi-ku, Tokyo City
- 1965
- DAIKO, Inc. was established in Toshima-ku, Tokyo. The company had a capital of 1,000,000 yen and began importing raw materials for making incense, and exporting products for NIPPON KODO as their overseas promotion division representative.
- 1966
- Relocated the headquarters to the NIPPON KODO Building in Ginza 3, Chuo-ku, Tokyo as soon as it was constructed.
- 1967
- Increased capital to 3,000,000 yen. Opened an administrative office in order to facilitate communications with NIPPON KODO, INC NY which was established in New York at the same time.
- 1969
- Increased capital to 6,000,000 yen.
- 1971
- Opened an office in Los Angeles.
- 1973
- Increased capital to 8,000,000 yen.
- 1981
- Increased capital to 20,000,000 yen.
- 1985
- Joined the World Cooperated Distribution Association the same year in which it was established.
- 1986
- After the founder of Daiko, Inc. Masanori Konaka retired, Masahisa Konaka was assigned as chairman, and Masahiro Konaka as the president. Capital adjusted to 80,000,000 yen. Built the DAIKO Information Center in Rinkai-cho, Edogawa-ku, Tokyo.
- 1987
- Increased capital to 40,000,000 yen. Began selling products from ESTEBAN of France as the exclusive Japanese dealer.
- 1988
- Registered the headquarters in Rinkai-cho, Edogawa-ku, Tokyo. Operations at the original headquarters were continued at the Ginza branch. Also began selling products from INTERLAM AB of Sweden. Opened another office in Osaka at NIPPON KODO Building in Bakuro-machi, Chuo-ku, Osaka.
- 1993
- Released “Meditate”, an original Daiko product line.
- 1999
- Relocated the Osaka Office to Edobori, Nishi-ku, Osaka. Released the Daiko, Inc. original brand “Oko Riraku”. Began selling the “GONESH” product line from GENIECO in the United States, in addition to products from Kuhnert of Germany.
- 2001
- Began selling the Tulasi product line from SARATHI INTERNATIONAL in India.
- 2002
- Relocated the Osaka Branch to the NIPPON KODO building in Bakuro-machi, Chuo-ku, Osaka.
- 2003
- Released the “Meditate Candles” and “GONESH JAPANESE STYLE” products, both of which are Daiko original products.
- 2004
- Developed and released the “Candle Series” for the GONESH product line.
- 2006
- Released a series of air-fresheners and paper air-fresheners for the GONESH product line. Also developed and released a liquid air-freshener series.
- 2007
- Developed and released a gel air-freshener series for the GONESH product line.
