Inventor

ISHIDA MASAZUMI

JP4 patents

Patents

4 patents

US6781292B2Aug 24, 2004

High pressure discharge lamp and luminaire

TOSHIBA LIGHTING & TECHNOLOGY29 citations88

US6661176B2Dec 9, 2003

High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor

TOSHIBA LIGHTING & TECHNOLOGY29 citations88

USD482142SNov 11, 2003

Lamp bulb

TOSHIBA LIGHTING & TECHNOLOGY15 citations81

US7573203B2Aug 11, 2009

Mercury-free high-pressure discharge lamp and luminaire using the same

TOSHIBA LIGHTING & TECHNOLOGY4 citations60