Inventor · disambiguated record
Toshitake Kitagawa
Also filed as: KITAGAWA TOSHITAKE
9 granted patents·5 pending applications·71 citations·filing 2000–2022
86Inventor score
Top patents by PatentIndex Score
14 records- 0191US7764334B2Illumination apparatus comprising a light guide plate divided by wedge-shaped grooves having an apex angle of 15 degrees or less and a ratio of depth to thickness in a range of 0.4 to 0.7TOSHIBA KK·Filed 2007·Granted Jul 27, 2010·32 cites·16 claims
- 0279US7537371B2Backlight device and liquid crystal display deviceTOSHIBA KK·Filed 2007·Granted May 26, 2009·10 cites·8 claims
- 0378US8975806B2Bulb-type lampKITAGAWA TOSHITAKE·Filed 2011·Granted Mar 10, 2015·7 cites·8 claims
- 0476US8866385B2Self-ballasted lamp and lighting fixtureKITAGAWA TOSHITAKE·Filed 2011·Granted Oct 21, 2014·6 cites·6 claims
- 0576US8546178B2Semiconductor light emitting device and method for manufacturing semiconductor light emitting deviceMORIOKA TOMOKO·Filed 2011·Granted Oct 1, 2013·4 cites·13 claims
- 0672US12486453B2Rare earth complex-containing composition and fluorescent penetrant inspection method using sameTOSHIBA KK·Filed 2022·Granted Dec 2, 2025·0 cites·11 claims
- 0765US7965350B2Backlight for liquid crystal display deviceHARISON TOSHIBA LIGHTING CORP·Filed 2007·Granted Jun 21, 2011·4 cites·3 claims
- 0860US6507443B2Lens, lens device, camera module and electrical equipmentTOSHIBA KK·Filed 2000·Granted Jan 14, 2003·8 cites·7 claims
- 0954US9082938B2Light emitting deviceTOSHIBA KK·Filed 2014·Granted Jul 14, 2015·0 cites·19 claims
- 1046US2015077993A1Lighting apparatusTOSHIBA KK·Filed 2014·Application pending·0 cites
- 1144US2012306366A1Bulb-type lamp and luminaire using bulb-type lampSAKAI MAKOTO·Filed 2012·Application pending·0 cites
- 1241US2014015417A1Lighting control systemIWAI NAOKO·Filed 2012·Application pending·0 cites
- 1339US2012105503A1Illumination device and liquid crystal display deviceTADA TOMOYUKI·Filed 2011·Application pending·0 cites
- 1437US2011317096A1Planar lighting device and liquid-crystal display device with the sameYOKOTA MASAHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →