In 1991 Yoichi Nagasawa established his own company STIL. One year later he launched YOICHI NAGASAWA COLLECTION from STIL.
In 1993Yoichi launched ï¿½No Concept But Good Senseï¿½ as a diffusion brand.
In 1997 he participated in the Paris Collection Week since 1997 Yoichi Nagasawa Spring & Summer Collection and became member of the French Fashion association (Chambre Syndicale du Prï¿½t-ï¿½-porter).
Yoichi made a License contract with ITOCHU CORP. for ï¿½No Concept But Good Senseï¿½ brand in 1998 and started to launch shops all over Japan.
In 2000 Yoichi launched an ecology oriented brand ï¿½Self + Serviceï¿½ for Aeon Corp. He takes charge of producing the brand globally.