Inventor · disambiguated record
Toshinobu Katsumata
Also filed as: KATSUMATA TOSHINOBU
30 granted patents·2 pending applications·48 citations·filing 2006–2023
94Inventor score
Top patents by PatentIndex Score
32 records- 0198US11106082B2Light-emitting module and surface-emitting light sourceNICHIA CORP·Filed 2020·Granted Aug 31, 2021·4 cites·20 claims
- 0293US11415741B2Surface light sourceNICHIA CORP·Filed 2021·Granted Aug 16, 2022·2 cites·9 claims
- 0391US11428984B2Planar light source and liquid crystal display deviceNICHIA CORP·Filed 2021·Granted Aug 30, 2022·2 cites·18 claims
- 0490US11393965B2Light-emitting unit and surface-emission light sourceNICHIA CORP·Filed 2020·Granted Jul 19, 2022·2 cites·19 claims
- 0588US10884290B2Light emittng moduleNICHIA CORP·Filed 2020·Granted Jan 5, 2021·2 cites·28 claims
- 0687US7588365B2Method of manufacturing light guide plate, light guide plate, backlight unit with the light guide plate and display apparatus having the sameCITIZEN ELECTRONICS·Filed 2008·Granted Sep 15, 2009·18 cites·16 claims
- 0786US11506934B2Light-emitting device and planar light sourceNICHIA CORP·Filed 2021·Granted Nov 22, 2022·1 cites·20 claims
- 0882US11594665B2Light-emitting unit and surface-emission light sourceNICHIA CORP·Filed 2020·Granted Feb 28, 2023·1 cites·19 claims
- 0981US7488103B2Lighting device with light guide plate illuminated by LEDCITIZEN ELECTRONICS·Filed 2006·Granted Feb 10, 2009·12 cites·9 claims
- 1080US10001672B2Side edge planar lighting unitCITIZEN ELECTRONICS·Filed 2017·Granted Jun 19, 2018·2 cites·13 claims
- 1178US11069831B2Light emitting deviceNICHIA CORP·Filed 2019·Granted Jul 20, 2021·2 cites·17 claims
- 1273US12117691B2Method of producing light-emitting device and planar light sourceNICHIA CORP·Filed 2022·Granted Oct 15, 2024·0 cites·14 claims
- 1373US11650455B2Planar light sourceNICHIA CORP·Filed 2022·Granted May 16, 2023·0 cites·10 claims
- 1472US11754878B2Backlight deviceNICHIA CORP·Filed 2022·Granted Sep 12, 2023·0 cites·9 claims
- 1572US11703714B2Light-emitting module, surface light source, and liquid-crystal display deviceNICHIA CORP·Filed 2022·Granted Jul 18, 2023·0 cites·20 claims
- 1672US11650365B2Surface light sourceNICHIA CORP·Filed 2022·Granted May 16, 2023·0 cites·20 claims
- 1771US11901498B2Light-emitting unit and surface-emission light sourceNICHIA CORP·Filed 2023·Granted Feb 13, 2024·0 cites·20 claims
- 1870US11799064B2Light-emitting unit and surface-emission light sourceNICHIA CORP·Filed 2022·Granted Oct 24, 2023·0 cites·23 claims
- 1970US11719975B2Light-emitting module and surface-emitting light sourceNICHIA CORP·Filed 2021·Granted Aug 8, 2023·0 cites·20 claims
- 2068US11681181B2Backlight deviceNICHIA CORP·Filed 2019·Granted Jun 20, 2023·0 cites·6 claims
- 2168US11391878B2Light emitting moduleNICHIA CORP·Filed 2021·Granted Jul 19, 2022·0 cites·20 claims
- 2267US11506932B2Light-emitting module, surface light source, and liquid-crystal display deviceNICHIA CORP·Filed 2021·Granted Nov 22, 2022·0 cites·16 claims
- 2366US11513389B2Light emitting moduleNICHIA CORP·Filed 2020·Granted Nov 29, 2022·0 cites·16 claims
- 2463US11061178B2Light emitting moduleNICHIA CORP·Filed 2020·Granted Jul 13, 2021·0 cites·18 claims
- 2562US11777055B2Light emitting deviceNICHIA CORP·Filed 2021·Granted Oct 3, 2023·0 cites·20 claims
- 2657US11086063B2Planar light unitCITIZEN WATCH CO LTD·Filed 2017·Granted Aug 10, 2021·0 cites·22 claims
- 2756US12125953B2Method for manufacturing light emitting device, light emitting device, and light emitting moduleNICHIA CORP·Filed 2021·Granted Oct 22, 2024·0 cites·17 claims
- 2851US9715054B2Planar light unitCITIZEN WATCH CO LTD·Filed 2015·Granted Jul 25, 2017·0 cites·12 claims
- 2947US2022308272A1Light-reflecting member and light source deviceNICHIA CORP·Filed 2022·Application pending·0 cites
- 3046US11205744B2Light emitting deviceNICHIA CORP·Filed 2019·Granted Dec 21, 2021·0 cites·16 claims
- 3145US2008112187A1Backlight Unit and Display Apparatus Having the SameCITIZEN ELECTRONICS·Filed 2007·Application pending·0 cites
- 3244US10585308B2Light-emitting deviceCITIZEN WATCH CO LTD·Filed 2017·Granted Mar 10, 2020·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →