0 Talk Marumi Edit History Marumi is a Japanese photography accessory maker based in Tokyo. Above: Marumi flashesleft: Maruni UV filters LinksEdit about page Read more Advertisement by Haruki Studio in February 1949. Haruki Studio (春木スタジオ) was a Japanese company... Haruki Hoya Corporation (HOYA) is a Japanese company, mainly known as a producer of filters. The... Hoya Okano Seisakusho (岡野製作所) was a Japanese accessory maker and repairer in the mid-1930s. It is... Okano Related Categories Category: Japanese accessory makers Add category