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INV Venture capital
DRONE FUND
Japan-specialist VC focused exclusively on drones and air mobility; co-founded 2017 by Kotaro Chiba and Soki Ohmae; managing DRONE FUND III (¥10B / ~USD 90M) with ~70 portfolio companies globally.
HeadquartersTokyo, JP
Portfolio7 companies
Cited round volume$87M
Cited rounds12
01
Physical AI portfolio
Round-by-round participation
2026-06-01Series B$19MSource
2024-09-30Venture$2MSource
2023-12-28Series A$1MSource
2025-11-04Series B$16MSource
2024-08-22Series A$2MSource
2021-11-08Seed$500KSource
2023-08-07Series B · Lead$8MSource
2021-09-01Series C$4MSource
2023-03-14Series A · Lead$11MSource
2022-01-01Seed$2MSource
2021-12-01UnknownNot disclosedSource
2021-01-25Series A$22MSource
02
Source ledger
12 unique public sources
01
TriOrb from Kitakyushu Raises ¥28.8 Billion in Series B for Ball-Driven 360° Omnidirectional MobilityThe Bridge · retrieved 2026-07-05
02TriOrb Secures $1.7M in Pre-Series B Funding, Bringing Total to $4.6MTriOrb · retrieved 2026-07-05
03TriOrb Secures $1.3M in Series A Funding, Bringing Total to $2.9MTriOrb · retrieved 2026-07-05
04Sunflower Labs receives nationwide FAA approval, launches property configuration tool, and closes $16M Series BBusiness Wire (Sunflower Labs) · retrieved 2026-07-05
05Announcement of Investment in CuboRexReazon Capital · retrieved 2026-07-05
06CuboRex, Open Network Lab, DRONE FUND raise ¥75M for rough-terrain service robotsTokyo Geeks · retrieved 2026-07-05
07リベラウェアが総額11.5億円の資金調達、累計調達額は25.1億円にDrone Journal (Impress) · retrieved 2026-07-05
08420M JPY raised via third-party allotment, completing Series C; cumulative 970M JPY (第三者割当増資により4.2億円の資金調達を実施いたしました)Liberaware official release · retrieved 2026-07-05
09HAX's LexxPluss raises $10.7M to bring its autonomous mobile robots to the USSOSV · retrieved 2026-07-05
10自動配送ロボット「LOMBY」、2.7億円をプレシリーズA調達——量産に向け開発体制を強化The Bridge · retrieved 2026-07-05
11DRONE FUND invests in WingcopterWingcopter · retrieved 2026-07-05
12Investment Series A: Wingcopter Raises $22MWingcopter · retrieved 2026-07-05



