Japan Superconductivity Application Development
Japan Superconductivity Application Development is a defense tech company in Tokyo, Japan, founded in 2023. It has raised $3.3M across 1 round, most recently a $3.3M Series A in September 2025.
Ultra-fine superconducting wires for fusion and quantum technology
- Headquarters
- Tokyo
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- cho-dendo.jp
- Total Funding
- $3.3M
- Last Round
- $3.3M Series ASep 2025
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round for this company. The full record is or through the API.
About
Japan Superconductivity Application Development Inc. (JSA) is a Tokyo-based deep-tech startup specializing in the development, manufacturing, and application of ultra-fine and highly flexible intermetallic compound superconducting wires, including Nb₃Al, Nb₃Sn, and MgB₂ materials. Founded in 2023, JSA targets emerging markets in fusion energy, quantum computing, and advanced scientific instrumentation where high-performance superconducting wire is essential. The company has achieved breakthrough milestones including the world's smallest superconducting coil using MgB₂ ultra-fine wire, and was selected for NEDO's Deep-Tech Startups Support program in 2025, underscoring its role as a pioneer in next-generation superconducting materials for energy and quantum applications.
Summary
It lists 1–10 employees. It has raised $3.3M in total across 1 round, most recently a $3.3M Series A round in Sep 2025.
Tech & App Stack
3 technologies & apps tracked
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Funding History
Sep 2025
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