noun
Sumitomo (surname)
A Japanese family name. Also used as part of the name of the Sumitomo group.
住友さんは私の隣人です。
Mr./Ms. Sumitomo is my neighbor.
noun
Sumitomo group
Refers to the Sumitomo conglomerate, one of the major Japanese corporate groups.
Sumitomo is one of Japan's major corporate groups.