Inventor
ASHIDA SEIJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ASHIDA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA LIGHTING & TECHNOLOGY
9 patentsUS6215254B1Apr 10, 2001
High-voltage discharge lamp, high-voltage discharge lamp device, and lighting device
TOSHIBA LIGHTING & TECHNOLOGY104 citations94
US6774566B2Aug 10, 2004
High pressure discharge lamp and luminaire
TOSHIBA LIGHTING & TECHNOLOGY22 citations92
USD464445SOct 15, 2002
Lamp bulb
TOSHIBA LIGHTING & TECHNOLOGY22 citations92
US6388394B1May 14, 2002
High-intensity discharge lamp lighting device and lighting system
TOSHIBA LIGHTING & TECHNOLOGY23 citations92
US6307321B1Oct 23, 2001
High-pressure discharge lamp and lighting apparatus
TOSHIBA LIGHTING & TECHNOLOGY27 citations92
US6249086B1Jun 19, 2001
High-pressure discharge lamp including a limited amount of carbon remaining on an electrode surface
TOSHIBA LIGHTING & TECHNOLOGY20 citations91
US6713961B2Mar 30, 2004
High-intensity discharge lamp, system for lighting the lamp and lighting appliance using the lamp
TOSHIBA LIGHTING & TECHNOLOGY28 citations90
US6661176B2Dec 9, 2003
High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor
TOSHIBA LIGHTING & TECHNOLOGY29 citations88
US6448712B2Sep 10, 2002
High-pressure discharge lamp
TOSHIBA LIGHTING & TECHNOLOGY2 citations61