Inventor · disambiguated record
Masahiko Kamata
Also filed as: KAMATA MASAHIKO
23 granted patents·22 pending applications·139 citations·filing 1997–2014
94Inventor score
Files withTOSHIBA LIGHTING & TECHNOLOGY14IWAI NAOKO5NAKAJIMA HIROMICHI5KAMATA MASAHIKO3TERASAKA HIROSHI3
Top patents by PatentIndex Score
45 records- 0184US7268496B2Discharge lamp lighting device and lighting systemTOSHIBA LIGHTING & TECHNOLOGY·Filed 2005·Granted Sep 11, 2007·11 cites·16 claims
- 0282US8864511B2Tube lamp and luminaireSHIMIZU KEIICHI·Filed 2011·Granted Oct 21, 2014·7 cites·12 claims
- 0381US8952627B2Illuminating device and illuminating methodTOMIYAMA SAYAKA·Filed 2011·Granted Feb 10, 2015·11 cites·23 claims
- 0477US8376562B2Light-emitting module, self-ballasted lamp and lighting equipmentTOSHIBA LIGHTING & TECHNOLOGY·Filed 2010·Granted Feb 19, 2013·5 cites·8 claims
- 0576US8643295B2LuminaireKAMATA MASAHIKO·Filed 2012·Granted Feb 4, 2014·3 cites·7 claims
- 0670US8678618B2Self-ballasted lamp having a light-transmissive member in contact with light emitting elements and lighting equipment incorporating the sameSAKAI MAKOTO·Filed 2010·Granted Mar 25, 2014·3 cites·6 claims
- 0770US6177768B1Discharge lamp lighting device and illumination deviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 1998·Granted Jan 23, 2001·41 cites·18 claims
- 0868US8415889B2LED lighting equipmentHIRAMATSU TAKURO·Filed 2010·Granted Apr 9, 2013·4 cites·2 claims
- 0963US8643288B2Light-emitting device and illumination apparatusOTAKE HIROKAZU·Filed 2010·Granted Feb 4, 2014·1 cites·8 claims
- 1062US8305010B2Light-emitting diode lighting device with step-down chopperKAMATA MASAHIKO·Filed 2009·Granted Nov 6, 2012·2 cites·4 claims
- 1161US8823278B2DC power source unit and LED lamp systemIWAI NAOKO·Filed 2011·Granted Sep 2, 2014·1 cites·10 claims
- 1260US9265127B2LuminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2014·Granted Feb 16, 2016·0 cites·1 claims
- 1359US6184632B1Lighting apparatus including circuit to detect an electrical characteristic of a component of a lamp mounted in the apparatusTOSHIBA LIGHTING & TECHNOLOGY·Filed 1998·Granted Feb 6, 2001·22 cites·12 claims
- 1458US8941318B2Power supply for illumination and luminaireNAKAJIMA HIROMICHI·Filed 2012·Granted Jan 27, 2015·1 cites·18 claims
- 1558US8907579B2LuminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2013·Granted Dec 9, 2014·0 cites·2 claims
- 1655US8998457B2Self-ballasted lamp and lighting equipment having a support portion in contact with an inner circumference of a base bodyTOSHIBA LIGHTING & TECHNOLOGY·Filed 2014·Granted Apr 7, 2015·0 cites·6 claims
- 1755US6139296AMethod for treating metal surface, rotary shaft for refrigerant compressor treated by the method, vane for refrigerant compressor treated by the method, and refrigerant compressor using the sameSANYO ELECTRIC CO·Filed 1997·Granted Oct 31, 2000·20 cites·8 claims
- 1851US10006593B2Lamp systemTOSHIBA LIGHTING & TECHNOLOGY·Filed 2013·Granted Jun 26, 2018·0 cites·6 claims
- 1949US2014153250A1Lamp and LuminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2014·Application pending·0 cites
- 2048US6548964B2Discharge lamp lighting apparatus and luminaire using the sameTOSHIBA LIGHTING & TECHNOLOGY·Filed 2002·Granted Apr 15, 2003·7 cites·9 claims
- 2148US2014218905A1Light-Emitting Module, Straight Tube Lamp and LuminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2013·Application pending·0 cites
- 2247US2009108769A1Lighting device and illumination apparatusTOSHIBA LIGHTING & TECHONOLOGY·Filed 2008·Application pending·0 cites
- 2347US2009134813A1Discharge lamp lighting deviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 2008·Application pending·0 cites
- 2445US8896222B2Power supply device and luminaireKAMATA MASAHIKO·Filed 2012·Granted Nov 25, 2014·0 cites·14 claims
- 2545US2014022778A1Led module, tube type lamp, and luminaireNOGUCHI AKINORI·Filed 2012·Application pending·0 cites
- 2644US8638050B2DC power supply unit and LED lighting apparatusKATO GO·Filed 2011·Granted Jan 28, 2014·0 cites·6 claims
- 2743US9066407B2Power source unit for LED lamps, and LED lamp systemTERASAKA HIROSHI·Filed 2011·Granted Jun 23, 2015·0 cites·12 claims
- 2843US8643307B2Lighting device and luminaireIWAI NAOKO·Filed 2012·Granted Feb 4, 2014·0 cites·16 claims
- 2942US2012049736A1Lamp unit and illumination apparatusSHIMIZU TOMOAKI·Filed 2011·Application pending·0 cites
- 3041US2013083549A1Led lighting device and led luminaireTAKAHARA YUICHIRO·Filed 2012·Application pending·0 cites
- 3141US2012326614A1LuminaireTSUJI TOSHIO·Filed 2012·Application pending·0 cites
- 3240US2012194075A1Lighting device and luminaireIWAI NAOKO·Filed 2012·Application pending·0 cites
- 3340US2012187870A1Lighting device and luminaireIWAI NAOKO·Filed 2012·Application pending·0 cites
- 3440US2012187864A1Lighting device and luminaireIWAI NAOKO·Filed 2012·Application pending·0 cites
- 3540US2014029252A1Lamp, lamp unit, and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2012·Application pending·0 cites
- 3637US2013106306A1Lamp Unit and LuminaireNAKAJIMA HIROMICHI·Filed 2012·Application pending·0 cites
- 3737US2013106311A1Power Supply Device and Lighting DeviceKATO GO·Filed 2012·Application pending·0 cites
- 3837US2013249412A1Lighting circuit and luminaireNAKAJIMA HIROMICHI·Filed 2012·Application pending·0 cites
- 3937US2003122506A1Discharge lamp lighting apparatusTOSHIBA LIGHTING & TECHNOLOGY·Filed 2002·Application pending·0 cites
- 4036US2013293134A1Led lighting device and led luminaireISHIKITA TORU·Filed 2011·Application pending·0 cites
- 4136US2014169004A1Lamp Device and LuminaireNAKAJIMA HIROMICHI·Filed 2011·Application pending·0 cites
- 4235US2013293144A1Light source lighting device and luminaireTOMIYAMA SAYAKA·Filed 2011·Application pending·0 cites
- 4335US2011316444A1Power source unit and lighting fixtureTERASAKA HIROSHI·Filed 2011·Application pending·0 cites
- 4433US2011316445A1Led lamp systemTERASAKA HIROSHI·Filed 2011·Application pending·0 cites
- 4532US2012119651A1Led lighting device and led lighting equipmentNAKAJIMA HIROMICHI·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →