Amita Co. artists: Minai, Torahiko Kanamori, Takeshi
Kyoto Damascene Co. [京都象嵌株式会社] Kyoto Damascene Company produced damascene items, similar to ones of Amita, since 1920s. Company produced bracelets, brooches, buttons, compacts, earrings, necklaces, pendants, powder cases, cigarette cases and boxes, lighters, cufflinks, jewellery boxes, etc.

A powder box from Kyoto Damascene Co.

Company presented its works at several national expositions: All Japan Industrial Exposition (1927), Japan Trade Fair for Export Articles (1949) and All Kyoto Souvenirs Exhibition for Sightseers (1949).
Kyoto Damascene Company produces damascene items till today.

Addresses and locations
Examples (from the web)