Toshiba Electronic Components
Toshiba InGaAlP LED-devices feature high brightness as it employs four-element LED chip technology (InGaAlP). Higher Visibility, Low Power and Reliable LEDs for Lighting.

Toshiba expands family of semi power devices with new n-channel power management MOSFET. - Toshiba News n-channel power MOSFET
Also see this page What's Fuel Cell ? - "Fuel Cell is not a battery but a generator. The principle is the reverse of "electrolysis of water"
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Toshiba has a wide and very diverse range of components and advanced materials technologies.