Technology

Ruten, a Japanese-founded startup, has raised $2 million to develop an invasive BMI called Swallow Autopilot for people with dysphagia. The round was led by Tokyo-based Coral Capital via a SAFE instrument.

Japanese graphene startup 3DC has closed the second tranche of its Series A round, bringing total fundraising to $18 million. The company is commercializing Graphene MesoSponge (GMS), a three-dimensional graphene material that combines sponge-like flexibility with high electrical conductivity, targeting lithium-ion and next-generation battery applications.

Solafune, a Tokyo-based startup building a Planetary Intelligence OS across GEOINT, SIGINT, and OSINT, has raised over $32 million in Series A funding. The company already counts Japan's Ministry of Defense among its clients and is expanding into African markets.

MiRESSO, a Japanese startup developing beryllium manufacturing and sales capabilities, has announced the completion of ...

Japanese deep-tech startup Gaianixx has raised $13 million (¥2 billion) in its Series C 1st round. The University of Tokyo spinout develops a proprietary "Multi-functional Interlayer" that resolves lattice mismatch in semiconductors, improving yield and device performance.

A-wave, a Japanese startup developing a cardiac monitoring system for chronic heart failure patients, has raised $3.5 million in a Series B funding round.

moveez, a Japanese startup developing fully autonomous robotaxis, has raised $1.3 million in a seed funding round to advance its Level 4 autonomous driving technology.

Payn, a Japanese startup automating cancellation fee invoicing for restaurants and service providers, has raised $1.6 million in a Series A funding round.

Oceanic Constellations, a Japanese startup developing unmanned surface vehicles (USVs), has raised $13 million in Series B1 funding to advance its ocean observation and maritime monitoring technologies.

Japanese space technology startup AstroX has raised a total of $15 million in Series A funding to advance its balloon-launched “Rockoon” rocket system, aiming to significantly reduce the cost of small satellite launches.