Hōei Sangyō Y.K. (豊栄産業有限会社) was a Japanese company, said to be the maker of the inexpensive Ebony and Anny cameras.
A company called Howay Industry Co., Ltd. (豊栄産業株式会社) currently exists (2012), but its corporate history neither says that it was ever a Yūgen-gaisha nor makes any mention of cameras.
- Ebony 35
- Ebony 35 de Luxe
- Ebony de Luxe IIS
- Ebony 35 at www.collection-appareils.fr