Best Semiconductors Companies in Kanagawa Prefecture, Japan
The 37 best Semiconductors companies in Kanagawa Prefecture, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: QD Laser.
Our analysis of 219 Semiconductors companies
$47.9b in tracked funding; 70% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Semiconductors companies in Kanagawa Prefecture
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | QD Laser Developer of nanotech-based quantum dots for energy generation | $50M | 89 mo ago | Public | — | 2006 | WordPressMySQLPHP+11 | 196 patents Semiconductor laser modules for projection displays and ophthalmic imaging systems | — |
| 2 | Wintest Corporation Provider of IT training and placement services | $13M | 153 mo ago | Public | Masayasu Higuchi CEO & MD | 1993 | Apache HTTP ServerAmazon Web ServicesjQuery | 17 patents Quality inspection and load compensation technologies for active‑matrix display panel manufacturing | — |
| 3 | Space Link Provider of refrigeration and heating system installation, maintenance, and repair services | $1M | 118 mo ago | Series A | Toshio Abe CEO & Director | 2004 | — | — | — |
| 4 | VTech Semiconductor verification IP developer and verification services provider | — | 147 mo ago | Late Stage | Hideto Takeuchi CEO | 2003 | WordPress Block EditorWordPressMySQL+13 | — | — |
| 5 | Siglead Signal processing IP and development equipment for LSI | — | 183 mo ago | Seed | Atsushi Esumi President & CEO | 2007 | WordPress Block EditorWordPressMySQL+17 | 6 patents Patents concentrated in electrical & electronics | — |
| 6 | Aata Japan Developer of frequency controller components and distributor of electronic components | — | — | Unfunded | Masayuki Katayama CEO | 1973 | — | — | — |
| 7 | ABSST Developer of silicon CMOS based smell sensor | — | — | Unfunded | Shunichiro Kuroki Founder & CEO | 2019 | — | — | — |
| 8 | Buoy Technology Manufacturer of semiconductor and FPD manufacturing equipment | — | — | Public | — | 1997 | Apache HTTP ServerAmazon Web ServicesCloudflare+10 | — | — |
Top 5 Semiconductors companies in Kanagawa Prefecture
#1
Public · Kawasaki, Kanagawa Prefecture · founded 2006 · 58 employees$50.4Mraised▾
Developer of nanotech-based quantum dots for energy generation. It provides quantum dot lasers, semiconductor optical devices, and amplifiers. The product line of the company includes distributed feedback lasers for precision machining, quantum dot lasers for optical communications, epitaxial wafer on GaAs substrate, visible laser sensors, and Fabry-Perot lasers. The company also offers smart eyewear based on Direct retinal projection which precisely controls the light to project images onto the retina.
- Apr 2019Series C$33M
- Oct 2018Series C—
- Dec 2010Series B$9.6M
- Feb 2009Series A$7.8M
#2
Public · Yokohama, Kanagawa Prefecture · founded 1993 · 86 employees$12.9Mraised▾
Provider of IT training and placement services. This entity offers various IT courses, including postgraduate diplomas in advanced computing and specialized programs. It also assists students with placement opportunities, connecting them with potential employers after completion of their training. The curriculum covers a range of technologies relevant to the current industry demands. The services aim to equip students with the skills necessary for successful careers in the IT sector.
- Dec 2013Post IPO$4.8M
- Apr 2008Post IPO$8.1M
#3
Series A · Fujisawa, Kanagawa Prefecture · founded 2004$1.4Mraised▾
Provider of refrigeration and heating system installation, maintenance, and repair services. This includes the assembly of mechanical and electrical equipment for refrigeration systems, servicing and maintaining ammonia refrigeration systems (including compressors and pumps), thermal insulation, and safety valve inspections. The services are focused on the industrial and commercial sectors.
- Oct 2016Grant (prize money)—
- Feb 2010Series A$1.4M
#4
Late Stage · Yokohama, Kanagawa Prefecture · founded 2003—raised▾
Semiconductor verification IP developer and verification services provider
#5
Seed · Yokohama, Kanagawa Prefecture · founded 2007—raised▾
Developer of signal processing algorithms intended to develop signal processing LSI unit. The company offers products designed to improve the reliability of the SSD and to achieve improved solid-state drives (SSDs) by using an architecture that takes full advantage of the communication speed as well as supports a wide range of NAND flash generations, enabling enterprises to improve the short product-cycle associated with NAND flash memory's process node.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Semiconductors coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Semiconductors is moving in Japan
A read on the academic research around Semiconductors — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,980 Japan-affiliated papers.
- The University of Tokyo157
- Tohoku University139
- National Institute of Advanced Industrial Science and Technology133
- Tokyo Institute of Technology78
- Kyoto University62
- Pixel4→14
- Power (physics)7→15
- Artificial neural network1→8
- Scalability4→9
- Neuromorphic engineering3→8
- Terahertz radiation1→8
- Laser2→9
- Fabrication13→18
- Power consumption1→6
- Transceiver1→6
- Thermal1→5
- Power (physics)4→6
- Integrated circuit packaging2→4
Where semiconductors is researched across Japan
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing semiconductors patents in Japan
Japan semiconductors patent filing is cooling — 116,542 filings from 8,000 assignees (2016–2025), led by Tokyo Electron, Semiconductor Energy LAB, Toshiba KK; annual filings 12324→7504.
- Tokyo Electron13690
- Semiconductor Energy LAB12640
- Toshiba KK7124
- SONY4620
- Renesas Electronics4418
- Canon KK4280
- FUJI Electric3799
- Mitsubishi Electric3691
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.