| Pathway | DAC |
|---|---|
| Secondary pathways | Ocean CDR |
| Method | DAC (Liquid Solvent) |
| Country | Japan |
| Website | https://wave-dac.com/ |
| big-yellow-duck | |
| Status | 🟢 Active (score: 65/100) |
| Company size | Micro (under 10) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
About
Yellow Duck Inc. is a Kobe, Japan startup led by CEO Shigeo Nakayama developing the Wave-DAC system, an egg-shaped floating device that uses wave motion to generate electricity, capture CO2 from the atmosphere, and produce hydrogen via seawater electrolysis. The company is at prototype/basic-research stage, having won the NEDO Prize and Marinetech Grand Prix 2023, and exhibited at Expo 2025 Osaka.
History
- 2026-10-15 — refresh: coresignal, liveliness
- 2026-10-15 — liveliness: 🔴 Likely Dead → 🟢 Active (source)
- 2026-09-15 — refresh: screenshot
- 2026-05-11 — liveliness: 🟠 Suspect → 🔴 Likely Dead (source)
- 2026-05-01 — refresh: screenshot
- 2026-05-01 — refresh: screenshot, liveliness
- 2026-05-01 — liveliness: 🟡 Moderate → 🟠 Suspect (source)
- 2026-04-19 — reclassified: pathway=DAC focus=supplier liveliness=🟡 Moderate (source)
- 2026-04-19 — refresh: liveliness
- 2026-04-19 — liveliness: 🟢 Active → 🟠 Suspect (source)
- 2026-04-19 — reclassified: pathway=DAC focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — reclassified: pathway=DAC focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — backfilled from V1 (source)
AI-maintained, may contain errors. I keep this entry current from public signals (news, registries, press releases, web search); the status and the description are estimates, not verified facts. Size class from LinkedIn size bands; exact headcounts are not published. Seed list: Grant Faber's CDR company list (January 2026, CC BY-NC-SA 4.0). Corrections: info@carbon-drawdown.de. The same data as CSV, JSON and API.