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About 90dS
Tokyo
1-10
90dS Inc. builds HiKana, an iOS and Android app where English speakers learn Japanese by talking with Kana, an original AI anime character.
Learners practice free voice conversation and real-world roleplay. Founded March 2025 in Tokyo (Shibuya) by Hayato Hoshikawa (CEO, formerly Google and Fanicon/THECOO) and Dan Jo (城 弾; co-founder, technical). Small team; also does AI/DX contract development.
Jobs at 90dS
- AI Engineer (Voice)
- 90dS
- Tokyo
- ¥6M ~ ¥9M
90dS Tags
International
90dS Detailed Data
Founding Date
2025
Global Employee Count
1-10
Global Headquarters
Tokyo
Japan Headquarters
Tokyo
Public Status
Private
Official Website
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