Technology

Photo electron Soul, a Nagoya University-based startup developing semiconductor photocathodes, has raised approximately 900 million yen ($5.6 million). The funding will support mass production of its electron beam generation system, which simultaneously achieves the narrow beam and high current needed to inspect increasingly miniaturized and multi-layered semiconductor chips at speed.

LINK-US, a Japanese startup with a patented ultrasonic compound vibration technology for metal bonding, has raised 620 million yen (approximately $3.9 million) in a Series C extension round. The proceeds will fund development of a next-generation, higher-frequency bonding device targeting the battery and semiconductor markets.

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.