How much funding has Oceanic Constellations raised?

Oceanic Constellations has raised $19.9M in total funding, most recently a Seed round.

Who are Oceanic Constellations's investors?

Oceanic Constellations's investors include Nippon Yusen Kabushiki Kaisha, GLOBIS, Jafco Ventures, Coral Capital, DBJ Capital Corporation.

When was Oceanic Constellations founded?

Oceanic Constellations was founded in 2020.

Where is Oceanic Constellations headquartered?

Oceanic Constellations is headquartered in Tokyo, Japan.

What industry is Oceanic Constellations in?

Oceanic Constellations operates in Climate Tech.

Oceanic Constellations

宇宙と水中をつなぐ、海上ネットワーク「海の衛星群®」

Tokyo, Japan · Founded 2020 · $19.9M raised

Climate Tech

Headquarters: Tokyo
Founded: 2020
Business Model: B2B
Website: oceanic-constellations.com

Total Funding: $19.9M
Last Round: $3.0M SeedJun 2026
Rounds: 3

About

Oceanic Constellations Inc. is a Tokyo-based deep-tech company founded in 2020 that develops ocean monitoring technology to provide real-time oceanographic data for marine surveillance, weather forecasting, and maritime applications. The company, co-led by CEOs Saneaki Obata and Takuma Honda, uses drone and sensor technology to build autonomous surface monitoring systems for the ocean, targeting insurers such as Tokio Marine and maritime operators. Oceanic Constellations was named to the Forbes Asia 100 To Watch 2025 list and has raised approximately $19.93 million in funding.

Summary

Oceanic Constellations is a Climate Tech company based in Tokyo, Japan, founded in 2020. It has raised $19.9M in total across 3 rounds, most recently a $3.0M Seed round in Jun 2026. Investors include Nippon Yusen Kabushiki Kaisha, GLOBIS and Jafco Ventures.