Sumitomo

Diversified conglomerate operating across multiple industries

placeChiyoda-ku, Tokyo-to, Japan calendar_todayFounded 1919 groups582 employees language sumitomocorp.com

Innovation

50 patent families (17 granted) — focus: Mechanical engineering, Chemistry & metallurgy, Construction, Operations & transport; filing pace slowing. Cited 537 times.

YearFilings
201410
20155
20165
20171
20182
20192
20204
20214
20221
20232
20243
20251

Social engagement

Social engagement: 20.1K social following, 10 posts in the last 12 months — below the industry typical range.

Investor mix

4 investors on record.

Investor typeCountShare
Venture capital125%
Other / undisclosed375%

Recent activity

16 Jun 2026
Expansion
Minneapolis
21 May 2026
Event
Maritime Week Americas
Coming soon