elleThermo
elleThermo is a climate tech company in Tokyo, Japan, founded in 2023. It has raised $2.5M across 1 round, most recently a $2.5M Seed in September 2024.
Opening up the future of energy
- Headquarters
- Tokyo
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- ellethermo.studio.site
- Total Funding
- $2.5M
- Last Round
- $2.5M SeedSep 2024
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 3 investors for this company. The full record is or through the API.
About
elleThermo, Ltd. is a Tokyo, Japan-based startup founded in 2023 that develops Semiconductor-Sensitized Thermal Cell (STC) technology, a solid-state approach to converting unused low-grade waste heat above room temperature directly into electricity. The company has demonstrated its technology in data center heat-recovery pilots, including a joint verification test with @Tokyo using waste heat from operating servers, and in an immersion cooling system with KDDI. elleThermo raised approximately $3 million from Keio Innovation Initiative to advance its thermoelectric materials.
Summary
It lists 1–10 employees. It has raised $2.5M in total across 1 round, most recently a $2.5M Seed round in Sep 2024. Investors include Keio Innovation Initiative, Sparks Asset Management and KDDI.
Tech & App Stack
3 technologies & apps tracked
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Funding History
Sep 2024
Investors
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