Helical Fusion
Helical Fusion develops fusion energy systems based on a helical-type fusion reactor.
$20.6M Series B+ ·
Source: Pulse 2.0
Total raised: $32.1M across 3 sourced rounds
All 5 rounds ↓Signals
X account@HelicalFusionJP · created Jul 17, 2024 (2 years old) · 209 followers
Website registeredAug 5, 2021 (5 years old)
TIMELINE · MONEY RAISED
Helical Fusion | 608 days from website to first raise on record
Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.
Funding rounds
- Series B+ · $20.6MSource: Pulse 2.0
- Series A · $5.5MSource: pulse2.com
- Series A · amount undisclosed
SSBI Investment (Group) (lead), XX&KSK (lead), NNoshiro Electrical Construction,
OOkano Valve Manufacturing,
OOKB Capital,
SSTATION AI,
TTokai Tokyo Investments,
TToyoda Gosei,
YYamada Shokai Holdings, YYNF
Source: morningstar.com - X account created
- Seed · $6MSSBI Investment (Group) (lead)Source: finsmes.com
- Website created
- Date unknown
PPlug and Play · accelerator or program
Source: public.dxp.playbook.vc
Founders and team
JM
Junichi Miyazawa FounderTT
Takaya Taguchi FounderTG
Takuya Goto Founder
Investors
EECloud
FFuji Electric
FFujikura
GGomunoInaki
HHazama Ando
KKei Tanaka
KKepple Group
KKKT LLCMMinistry of Economy, Trade, and Industry
MMitani Sangyo
- NNoshiro Electrical Construction
- SSBI Investment (Group)lead investor
TTokyo Gas
UUrata
- YYNF
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Other companies backed by SBI Investment (Group)
BBALLAS$21.49M Series B+ · Nov 2026
NNewmo$131.69M Series B+ · Nov 2026
PPliant$80M Series B+ · Nov 2026
TTamr$21M Series B+ · Oct 2026
SSalience Labs$125M Series B+ · Oct 2026
MMujin$224M Series B+ · Oct 2026
SBI Investment (Group) portfolio →
Sources and API
Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/helical-fusion (get a free API key).