HT Materials Science

Smarter Heat Transfer Fluids

Headquarters
Tokyo
Employees
11–50
Business Model
B2B
Last Round
GrantDec 2025
Rounds
4

About

HT Materials Science develops Maxwell®, a patented stable nanofluid additive that significantly increases energy efficiency in closed-loop hydronic cooling and heating systems. The product is a drop-in solution requiring no system retrofit or shutdown, and targets commercial buildings, data centers, healthcare facilities, and manufacturing. The company is recognized in the Global Cleantech 100.

Summary

HT Materials Science is an Energy company based in Tokyo, Ireland. Its most recent funding was a Grant round in Dec 2025. Investors include Aramco Ventures, Disruptive Technologies Innovation Fund and PTT.

Tech & App Stack

2 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

GrantDec 2025

Sign up to see all 4 rounds

Seed through Grant — per-round amounts, valuations, and who invested in each round.

Investors

Similar Companies

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

HT Materials Science on Indexed.vc
<a href="https://indexed.vc/companies/ht-materials-science"><img src="https://indexed.vc/api/badge/company/ht-materials-science" alt="HT Materials Science on Indexed.vc" width="260" height="76" /></a>