Inventor · disambiguated record
Toshihiko Ishigami
Also filed as: ISHIGAMI TOSHIHIKO
15 granted patents·5 pending applications·266 citations·filing 1975–2006
93Inventor score
Files withHARISON TOSHIBA LIGHTING CORP10TOKYO SHIBAURA ELECTRIC CO4TOSHIBA LIGHTING & TECHNOLOGY3TAMAI KOUICHI1TOSHIBA KK1
Top patents by PatentIndex Score
20 records- 0194US6353289B1Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 1998·Granted Mar 5, 2002·78 cites·17 claims
- 0290US6495962B2Metal halide lamp and a vehicle lighting apparatus using the lampTOSHIBA LIGHTING & TECHNOLOGY·Filed 2001·Granted Dec 17, 2002·39 cites·10 claims
- 0389US6528946B2Compact-type metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 2001·Granted Mar 4, 2003·24 cites·18 claims
- 0486US6873109B2Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 2002·Granted Mar 29, 2005·36 cites·6 claims
- 0585US4027190AMetal halide lampTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted May 31, 1977·25 cites·4 claims
- 0677US6628082B2Glow starter for a high pressure discharge lampTOSHIBA LIGHTING & TECHNOLOGY·Filed 2001·Granted Sep 30, 2003·15 cites·7 claims
- 0770US7057349B2Lightening device for metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 2005·Granted Jun 6, 2006·3 cites·4 claims
- 0867US4024425AMetal halide lampsTOKYO SHIBAURA ELECTRIC CO·Filed 1975·Granted May 17, 1977·13 cites·9 claims
- 0963US4929869AHigh intensity discharge lamp containing iron and silver in the arc tube fillingTOSHIBA KK·Filed 1988·Granted May 29, 1990·12 cites·4 claims
- 1055US2007069655A1Lightening device for metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 2006·Application pending·0 cites
- 1153US7242144B2High-pressure discharge lamp, high-pressure discharge lamp lighting device and automotive headlamp apparatusTOSHIBA LIGHTING & TECHNOLOGY·Filed 2002·Granted Jul 10, 2007·2 cites·6 claims
- 1253US4445067AHigh pressure metal vapor discharge lamp with radioactive material impregnated in ceramicTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Apr 24, 1984·7 cites·2 claims
- 1350US7352132B2Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratioHARISON TOSHIBA LIGHTING CORP·Filed 2004·Granted Apr 1, 2008·1 cites·25 claims
- 1450US4568856AHigh pressure metal vapor discharge lampTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Feb 4, 1986·7 cites·2 claims
- 1550US2006255741A1Lightening device for metal halide discharge lampHARISON TOSHIBA LIGHTING CORP·Filed 2006·Application pending·0 cites
- 1649US6879101B2Metal halide lamp with electrodes having a curved surface part and automotive headlamp apparatusHARISON TOSHIBA LIGHTING CORP·Filed 2003·Granted Apr 12, 2005·4 cites·16 claims
- 1743US7388332B2Metal vapor discharge lamp, floodlight projector and metal vapor discharge lamp lighting deviceHARISON TOSHIBA LIGHTING CORP·Filed 2003·Granted Jun 17, 2008·0 cites·17 claims
- 1841US2005099129A1Metal halide lamp used for both of vehicle headlight and infrared night imaging vision equipment, and metal halide lamp lighting apparatusHARISON TOSHIBA LIGHTING CORP·Filed 2004·Application pending·0 cites
- 1939US2009230876A1Metal halide discharge lamp and metal halide discharge lamp systemTAMAI KOUICHI·Filed 2006·Application pending·0 cites
- 2037US2005122047A1Metal halide lamp, metal halide lamp operating device, and headlamp device for automobilesFiled 2002·Application pending·0 cites
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