AI, semiconductors, data centers
Technology Blossom Energy, Set to Mass-Produce Its Graphite Thermal Storage Boiler, Raises USD 2 Million
Blossom Energy, a startup developing graphite thermal storage boilers and high-temperature gas reactors, has raised 300 million yen (roughly USD 2 million). The company plans to begin mass production of its G-TES boiler in late 2026.
Technology TriOrb, Developer of Sphere-Based AMR Platform, Raises $18M in Series B Round
TriOrb, a Japanese startup developing a sphere-based AMR platform, has raised ¥2.88 billion ($18M) in a Series B round backed by SPARX Asset Management, Mizuho Bank, and MUFG Bank. Proceeds will fund mass production, U.S. expansion, and R&D.
Technology MJOLNIR SPACEWORKS Raises $11M in Series B Round
MJOLNIR SPACEWORKS, a Sapporo-based hybrid rocket engine developer, has raised up to ¥1.7 billion ($11M) in a Series B round. The startup uses a plastic-fueled engine design pioneered at Hokkaido University, with backing from Z Venture Capital and Shoko Chukin Bank.
Technology Atom, Developer of Robots and AI, Raises $19 Million in Seed Funding
Atom, a Japanese startup developing humanoid AI robots, announced on May 27 the closing of a $19 million (3 billion yen) seed funding round. The company, founded in January 2026 by former Turing co-founder and CTO Shunsuke Aoki, aims to raise Japan's GDP by 1 percent through the development and mass production of dual-arm, bipedal humanoid robots for use in manufacturing and logistics. The seed round was led by ANRI, Beyond Next Ventures, and JAFCO Group, with participation from other investors including Sumisho Venture Partners. Funds will be used primarily for talent acquisition.
Technology bitBiome, Developer of Microbial Genome Analysis Technology, Raises $22 Million
bitBiome, a Tokyo-based startup specializing in microbial genome analysis, has closed the third close of its extended seed funding round, securing approximately ¥3.5 billion ($22 million) in combined equity, debt, and grants. Around 80% of the total is non-dilutive capital. Investors in the equity portion include Taiwan-based Darwin Ventures and U.S.-based In-Q-Tel. The proceeds will fund expansion of the bit-GEM microbial genome database, enhancement of the SENS-AI platform, lab scaling, and global business development.
Technology Wave Control Startup Pixie Dust Technologies Raises $21M in Series D Funding
Pixie Dust Technologies, a Japanese wave control startup spun out of the University of Tsukuba, has raised $21 million in a Series D round led by Incubate Fund. The proceeds will fund R&D, global expansion, and healthcare product growth.
Technology Light Touch Technology Raises $3M in Series B Extension Round for Non-Invasive Blood Glucose Sensor
Osaka-based Light Touch Technology (LTT) has raised ¥500 million ($3M) in a Series B extension round to advance its non-invasive, MIR laser-based blood glucose sensor toward clinical trials and regulatory approval.
Technology Helical Fusion Raises $17M in Series B First Close
Japanese fusion startup Helical Fusion has raised $17M in its Series B first close, advancing its Helix Program to bring demonstration device Helix HARUKA online around 2030.
Technology Qubitcore Raises $9.6M in Seed Funding to Advance Ion-Trap Quantum Computing
Qubitcore, a Japanese quantum computing startup, has raised $9.6 million in seed funding to advance its ion-trap quantum computer technology — an approach known for low error rates and long qubit coherence times.
Technology Almure, a Confidential Computing Startup, Raises $1.25M in Seed Round
Almure, a Tokyo-based startup founded in January 2026, has raised $1.25M in seed funding to develop confidential computing infrastructure for AI agents — aiming to secure sensitive enterprise data even while it is being processed.