Assignee
PHOENIX ELECTRIC CO LTD
JP·39 granted patents·17 pending applications·205 citations·filing 1998–2023
Top patents by PatentIndex Score
56 records- 0190US7306340B2Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the samePHOENIX ELECTRIC CO LTD·Filed 2005·Granted Dec 11, 2007·15 cites·4 claims
- 0288US8029167B2Light emitting devicePHOENIX ELECTRIC CO LTD·Filed 2010·Granted Oct 4, 2011·22 cites·4 claims
- 0385US6600266B1Mount for lamp and lamp seal structure employing the mountPHOENIX ELECTRIC CO LTD·Filed 2000·Granted Jul 29, 2003·24 cites·15 claims
- 0484US9841165B1LED lampPHOENIX ELECTRIC CO LTD·Filed 2017·Granted Dec 12, 2017·5 cites·6 claims
- 0584US6509674B1Discharge lamp with ventilation passagePHOENIX ELECTRIC CO LTD·Filed 1999·Granted Jan 21, 2003·45 cites·8 claims
- 0675US6788009B2Method and device for lighting ultra-high pressure discharge lampsPHOENIX ELECTRIC CO LTD·Filed 2001·Granted Sep 7, 2004·19 cites·4 claims
- 0770US6713972B2Ultra-high pressure discharge lamp lighting method, ultra-high pressure discharge lamp to which the method is applicable and ballast for use therein, and lighting system incorporating the lamp and the ballastPHOENIX ELECTRIC CO LTD·Filed 2001·Granted Mar 30, 2004·19 cites·16 claims
- 0867US7517093B2Projection-type system and method of operating the samePHOENIX ELECTRIC CO LTD·Filed 2004·Granted Apr 14, 2009·7 cites·10 claims
- 0963US12298627B2Light irradiation device, and exposure apparatus provided therewithPHOENIX ELECTRIC CO LTD·Filed 2021·Granted May 13, 2025·0 cites·5 claims
- 1063US9099293B2Method and circuit for lighting high-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2014·Granted Aug 4, 2015·1 cites·9 claims
- 1162US11781810B2Drying devicePHOENIX ELECTRIC CO LTD·Filed 2021·Granted Oct 10, 2023·0 cites·5 claims
- 1262US7348737B2Lighting circuit for high-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2006·Granted Mar 25, 2008·7 cites·2 claims
- 1361US9022579B2Circuit and method for lighting high pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2014·Granted May 5, 2015·1 cites·6 claims
- 1460US8040077B2Starting circuit of starting device for high-pressure discharge lamp including auxiliary light source, starting device including the starting circuit, and lighting system including the starting devicePHOENIX ELECTRIC CO LTD·Filed 2009·Granted Oct 18, 2011·1 cites·6 claims
- 1560US6914393B2Method and device for lighting high pressure discharge lampsPHOENIX ELECTRIC CO LTD·Filed 2003·Granted Jul 5, 2005·8 cites·5 claims
- 1659US6756744B2Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source devicePHOENIX ELECTRIC CO LTD·Filed 2001·Granted Jun 29, 2004·6 cites·5 claims
- 1755US10983259B2Infrared lamp having cut filter cut-on wavelength between starting stage peak wavelength and steady state peak wavelengthPHOENIX ELECTRIC CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·2 claims
- 1855US9148926B2LED lampPHOENIX ELECTRIC CO LTD·Filed 2014·Granted Sep 29, 2015·0 cites·7 claims
- 1955US2023232501A1Lamp for heating and heating apparatus including samePHOENIX ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2054US11913985B2Light source device including discharge lamp, irradiation device and distinguishing method for discharge lampPHOENIX ELECTRIC CO LTD·Filed 2019·Granted Feb 27, 2024·0 cites·7 claims
- 2154US6713963B2Ultra-high pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2003·Granted Mar 30, 2004·4 cites·5 claims
- 2253US2021086303A1Laser irradiation device and surface roughening method using samePHOENIX ELECTRIC CO LTD·Filed 2020·Application pending·0 cites
- 2352US11603982B2Broadband light-emitting devicePHOENIX ELECTRIC CO LTD·Filed 2022·Granted Mar 14, 2023·0 cites·9 claims
- 2452US10056220B2Manufacturing method of high-pressure discharge lamp and sealed part structure for high-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2017·Granted Aug 21, 2018·0 cites·1 claims
- 2552US2009224667A1Auxiliary light source and lighting system having the samePHOENIX ELECTRIC CO LTD·Filed 2009·Application pending·0 cites
- 2651US7045961B2High-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2004·Granted May 16, 2006·1 cites·2 claims
- 2751US2021121984A1Method of processing frpPHOENIX ELECTRIC CO LTD·Filed 2020·Application pending·0 cites
- 2849US10295152B2LED lampPHOENIX ELECTRIC CO LTD·Filed 2018·Granted May 21, 2019·0 cites·7 claims
- 2949US9362103B2High pressure discharge lamp and lighting method thereofPHOENIX ELECTRIC CO LTD·Filed 2014·Granted Jun 7, 2016·0 cites·2 claims
- 3049US2023205017A1Light emitting device and exposure apparatus including samePHOENIX ELECTRIC CO LTD·Filed 2021·Application pending·0 cites
- 3148US2010026726A1Image projection system by means of direct current type high voltage dischargePHOENIX ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 3247US9812280B2Manufacturing method of high-pressure discharge lamp and sealed part structure for high-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2015·Granted Nov 7, 2017·0 cites·8 claims
- 3347US7478928B2Light source devicePHOENIX ELECTRIC CO LTD·Filed 2006·Granted Jan 20, 2009·0 cites·4 claims
- 3446US10337694B2LED lamp and lighting device including the samePHOENIX ELECTRIC CO LTD·Filed 2018·Granted Jul 2, 2019·0 cites·4 claims
- 3546US6242861B1Direct current discharge lamp and light source having the discharge lamp attached to reflectorPHOENIX ELECTRIC CO LTD·Filed 1998·Granted Jun 5, 2001·7 cites·14 claims
- 3645US2009230888A1Discharge lamp operation devicePHOENIX ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 3744US10438789B2Light source, lighting device and method of lighting the samePHOENIX ELECTRIC CO LTD·Filed 2018·Granted Oct 8, 2019·0 cites·21 claims
- 3843US9591732B1Method for lighting high-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2016·Granted Mar 7, 2017·0 cites·6 claims
- 3943US2006050512A1Ultra-high pressure discharge lamp unit and light source apparatusPHOENIX ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 4042US2004207336A1Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source devicePHOENIX ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 4142US2008054776A1Light source devicePHOENIX ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 4241US2008042538A1Metallic Concave Reflection Mirror, Light Source and Light Source Apparatus Using the Same, and Lighting Circuit ThereofPHOENIX ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 4341US2020013645A1Led lamp for heating and wafer heating device including the samePHOENIX ELECTRIC CO LTD·Filed 2019·Application pending·0 cites
- 4441US2008123338A1Lighting devicePHOENIX ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 4539US6285130B1Metal halide lampPHOENIX ELECTRIC CO LTD·Filed 1998·Granted Sep 4, 2001·4 cites·4 claims
- 4639US2011080728A1Light emitting devicePHOENIX ELECTRIC CO LTD·Filed 2010·Application pending·0 cites
- 4738US2010171421A1High-pressure discharge lampPHOENIX ELECTRIC CO LTD·Filed 2010·Application pending·0 cites
- 4837US6335593B1Electric discharge lamp with an improved sealing structure improving uniformity of light output and method of makingPHOENIX ELECTRIC CO LTD·Filed 1999·Granted Jan 1, 2002·3 cites·10 claims
- 4936US7576494B2High voltage discharge lamp lighting method, lighting apparatus and image device using that lighting apparatusPHOENIX ELECTRIC CO LTD·Filed 2004·Granted Aug 18, 2009·1 cites·13 claims
- 5034USD1036398SLight emitting diodePHOENIX ELECTRIC CO LTD·Filed 2022·Granted Jul 23, 2024·0 cites·1 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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