01
Photonics & precision technology
Hamamatsu Photonics
浜松ホトニクス株式会社
The quiet infrastructure behind seeing the invisible.
- Tokyo Stock Exchange Prime
- 6965
- Why it matters
- Its light sensors sit beneath medical imaging, scientific discovery and factory automation—often inside systems carrying another brand.
View company↗02
Precision components & electronics
MinebeaMitsumi
ミネベアミツミ株式会社
Tiny components, unusually wide industrial reach.
- Tokyo Stock Exchange Prime
- 6479
- Why it matters
- Miniature bearings, motors, sensors and analog semiconductors make it relevant to many industries without making it a household name.
View company↗03
Environmental systems & infrastructure
Kanadevia
カナデビア株式会社
Looking past the shipbuilding-era name.
- Tokyo Stock Exchange Prime
- 7004
- Why it matters
- A former shipbuilder has become an environmental-infrastructure group centered on waste-to-energy.
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