P

Inventor

YORIFUJI TAKASHI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “YORIFUJI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA LIGHTING & TECHNOLOGY

4 patents
US6337539B1Jan 8, 2002

Low-pressure mercury vapor discharge lamp and illuminator

TOSHIBA LIGHTING & TECHNOLOGY43 citations92
US5055738AOct 8, 1991

Low-pressure mercury vapor discharge lamp having a folded tube

TOSHIBA LIGHTING & TECHNOLOGY20 citations77
US6657389B2Dec 2, 2003

Glow discharge lamp, electrode thereof and luminaire

TOSHIBA LIGHTING & TECHNOLOGY6 citations71
US7285899B2Oct 23, 2007

Fluorescent lamp having bent portions and its manufacturing method, and illuminating apparatus including the lamp

TOSHIBA LIGHTING & TECHNOLOGY4 citations60

TOSHIBA KK

2 patents
US4615846AOct 7, 1986

Method of manufacturing a low-melting point alloy for sealing in a fluorescent lamp

TOSHIBA KK20 citations77
US4972118ANov 20, 1990

Amalgam having extended stable mercury vapor pressure range and low mercury vapor pressure discharge lamp using the same

TOSHIBA KK21 citations74