Inventor · disambiguated record
Shiki Nakayama
Also filed as: NAKAYAMA SHIKI
10 granted patents·1 pending application·190 citations·filing 1997–2004
90Inventor score
Technology areasH01J
Top patents by PatentIndex Score
11 records- 0188US5994839AHigh-pressure metal vapor discharge lampMATSUSHITA ELECTRONICS CORP·Filed 1997·Granted Nov 30, 1999·59 cites·16 claims
- 0283US6342764B1High pressure discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 29, 2002·19 cites·8 claims
- 0377US6054810AMetal halide lamp having a ceramic discharge tubeMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Apr 25, 2000·31 cites·14 claims
- 0474US6713962B2High-pressure discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 30, 2004·11 cites·15 claims
- 0572US6137229AMetal halide lamp with specific dimension of the discharge tubeMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Oct 24, 2000·24 cites·2 claims
- 0671US6208070B1Metal vapor discharged lamp with specific angle between electrodes and tapered envelope wallMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Mar 27, 2001·24 cites·18 claims
- 0765US6469442B2Metal vapor discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 22, 2002·6 cites·4 claims
- 0862US6483230B1High pressure metallic vapor discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 19, 2002·5 cites·11 claims
- 0954US6646379B1Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 11, 2003·11 cites·7 claims
- 1038US6639361B2Metal halide lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 28, 2003·0 cites·3 claims
- 1136US2006076870A1Discharge lamp, discharge lamp socket, discharge lamp device, and discharge lamp lighting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →