Companies
Company
FullDepth
Summary
- Tokyo, Japan
- Stage: Startup
- Use: Civil
- Focus: Hardware-first
About
Develops, manufactures, and sells underwater drones (ROVs) for infrastructure inspection, fishery, and aquarium use.
Funding
Not reviewed
- Newest round
- Venture Round16 Mar 2021
- Led by
- DRONE FUND, Beyond Next Ventures Inc.
| Investor | Rounds |
|---|---|
| DRONE FUND | Series D, Venture RoundLead |
| Beyond Next Ventures Inc. | Series D, Venture RoundLead |
| MITSUI SUMITOMO INSURANCE Venture Capital | Series D, Venture Round |
| JMTC Capital | Series D |
| Future Venture Capital Co.,Ltd. | Series D |
| Zenrin Future Partners | Series D |
| Aozora Corporate Investment | Series D |
| Kikuchi Seisakusho | CorporateLead |
| Eight-Japan Engineering Consultants | CorporateLead |
| Joyo Industrial Research Institute | Venture Round |
| Tsukuba Institute of Research | Venture Round |
| SMBC Venture Capital | Venture Round |
| Freebit Investment | Venture Round |
Aviato · checked 12 Oct 2026
Machines
2Maritime and underwater
DiveUnit300
Industrial underwater drone (ROV) for inspecting dams, pipelines, offshore sites and fishing gear.
Commercial
Not stated
Evidence
Company demo only
Maritime and underwater
DiveUnit 300
Industrial underwater drone (ROV) for inspecting dams, pipelines, offshore sites and fishing gear.
Commercial
Not stated
Evidence
Company demo only
On the map
Sources
2Company claims2
FullDepth names DiveUnit300 on its website.
en.fulldepth.co.jpUndatedFullDepth names DiveUnit 300 on its website.
en.fulldepth.co.jpUndated
FullDepth
2 machines on robomap




