Inventor
ISHIGAMI TOSHIHIKO
15 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAMI TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HARISON TOSHIBA LIGHTING CORP
7 patentsUS6873109B2Mar 29, 2005
Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp
HARISON TOSHIBA LIGHTING CORP36 citations95
US6353289B1Mar 5, 2002
Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp
HARISON TOSHIBA LIGHTING CORP78 citations95
US6528946B2Mar 4, 2003
Compact-type metal halide discharge lamp
HARISON TOSHIBA LIGHTING CORP24 citations92
US7057349B2Jun 6, 2006
Lightening device for metal halide discharge lamp
HARISON TOSHIBA LIGHTING CORP3 citations62
US6879101B2Apr 12, 2005
Metal halide lamp with electrodes having a curved surface part and automotive headlamp apparatus
HARISON TOSHIBA LIGHTING CORP4 citations60
US7352132B2Apr 1, 2008
Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratio
HARISON TOSHIBA LIGHTING CORP1 citations52
US7388332B2Jun 17, 2008
Metal vapor discharge lamp, floodlight projector and metal vapor discharge lamp lighting device
HARISON TOSHIBA LIGHTING CORP0 citations51
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4027190AMay 31, 1977
Metal halide lamp
TOKYO SHIBAURA ELECTRIC CO25 citations79
US4445067AApr 24, 1984
High pressure metal vapor discharge lamp with radioactive material impregnated in ceramic
TOKYO SHIBAURA ELECTRIC CO7 citations72
US4568856AFeb 4, 1986
High pressure metal vapor discharge lamp
TOKYO SHIBAURA ELECTRIC CO7 citations69
US4024425AMay 17, 1977
Metal halide lamps
TOKYO SHIBAURA ELECTRIC CO13 citations67
TOSHIBA LIGHTING & TECHNOLOGY
3 patentsUS6495962B2Dec 17, 2002
Metal halide lamp and a vehicle lighting apparatus using the lamp
TOSHIBA LIGHTING & TECHNOLOGY39 citations92
US6628082B2Sep 30, 2003
Glow starter for a high pressure discharge lamp
TOSHIBA LIGHTING & TECHNOLOGY15 citations81
US7242144B2Jul 10, 2007
High-pressure discharge lamp, high-pressure discharge lamp lighting device and automotive headlamp apparatus
TOSHIBA LIGHTING & TECHNOLOGY2 citations62