- Towards Oleochemical & Bioenergy World -Greenchemical.jp by Office Y's Co., Ltd.

August 1 2002	Established Office Y's Co., Ltd. to issue business magazines for the oleochemical industry and started the business in Azabu Juban.
2003	Relocated to the TFT Building in Ariake, Koto-ku for business expansion.
2008	Relocated to Nakano-ku for business expansion.
2009 to present	Started creating e-books by utilizing know-how to create business magazines.