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Aeterlink

Long-range wireless power for sensors in factories, buildings and medical implants.

🇯🇵 Tokyo, Japan · Founded 2020 · 51–200 people

Series B+Wireless power transferIoTFactory automationBuilding managementMedical devices

Aeterlink Corp. is a Tokyo startup that develops microwave wireless power transfer technology. It was founded in August 2020 and grew out of Stanford University research on powering medical implants. Its systems send power over the 920MHz band to sensors that need no cables or batteries, at a range of up to 17 metres. The company works in three areas: factory automation, building management and medical implants. It also has offices in Indianapolis and Bangkok.

Open to

  • Hiring
  • Customers & pilots

The careers page lists engineer, business development and corporate roles. The site offers early access to its evaluation kit and air-conditioning control solution.

Products

ProductOn sale since 2024

AirPlug

Wireless power system that runs sensors in buildings without cables or batteries.

Who it's for: Offices, retail stores, logistics warehouses, commercial facilities and factories

  • Automatic air-conditioning control from temperature and humidity sensing
  • People flow analysis for retail spaces
  • Environmental monitoring such as CO2, noise and water leaks
Product

Wireless sensors for factory automation

Cable-free, battery-free sensors and switches for production lines.

Who it's for: Manufacturers

  • Removes cable laying work when sensors are installed or lines are changed
  • Fits places that are hard to wire, such as robot joints and rotary tables
  • Cuts the risk of line stoppage from worn or broken cables
ProductEarly access

Wireless Power Evaluation Kit

Modular 920MHz kit for testing wireless power with sensors and IoT devices.

Who it's for: Engineers and device makers

  • Includes transmitter and receiver units
  • Pre-tuned circuits, so no RF impedance matching is needed
  • Lets users build a test setup quickly

Customers

Manufacturers that use sensors on production lines, and owners and operators of office buildings, retail stores, logistics warehouses and commercial facilities.

Traction

Updated Oct 2026
93employees (March 2026)
17 mmaximum power transmission range
3countries with offices
23patents filed
JPY 960MNEDO research grant, 2024-2026

Funding

US$33.74Mtotal raised
  • Series A2021JPY 200 million
  • Series B2024Led by JAFCO GroupJPY 2.06 billion
  • Series B extension2025Undisclosed
InvestorsJAFCO GroupMitsubishi EstateKeio Innovation InitiativeITOCHU Technology Ventures

Team