Inventor
NAKAYAMA SHIKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA SHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS6342764B1Jan 29, 2002
High pressure discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations92
US6713962B2Mar 30, 2004
High-pressure discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6646379B1Nov 11, 2003
Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6483230B1Nov 19, 2002
High pressure metallic vapor discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US6469442B2Oct 22, 2002
Metal vapor discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US6639361B2Oct 28, 2003
Metal halide lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
MATSUSHITA ELECTRONICS CORP
4 patentsUS5994839ANov 30, 1999
High-pressure metal vapor discharge lamp
MATSUSHITA ELECTRONICS CORP59 citations95
US6208070B1Mar 27, 2001
Metal vapor discharged lamp with specific angle between electrodes and tapered envelope wall
MATSUSHITA ELECTRONICS CORP24 citations92
US6137229AOct 24, 2000
Metal halide lamp with specific dimension of the discharge tube
MATSUSHITA ELECTRONICS CORP24 citations92
US6054810AApr 25, 2000
Metal halide lamp having a ceramic discharge tube
MATSUSHITA ELECTRONICS CORP31 citations92