Inventor · disambiguated record
Kiyokazu Watanabe
Also filed as: WATANABE KIYOKAZU
15 granted patents·4 pending applications·48 citations·filing 1996–2024
89Inventor score
Top patents by PatentIndex Score
19 records- 0181US7488103B2Lighting device with light guide plate illuminated by LEDCITIZEN ELECTRONICS·Filed 2006·Granted Feb 10, 2009·12 cites·9 claims
- 0280US10001672B2Side edge planar lighting unitCITIZEN ELECTRONICS·Filed 2017·Granted Jun 19, 2018·2 cites·13 claims
- 0376US7072116B2Sheet light emitting apparatusCITIZEN ELECTRONICS·Filed 2004·Granted Jul 4, 2006·17 cites·9 claims
- 0475US11675230B2BacklightNICHIA CORP·Filed 2022·Granted Jun 13, 2023·0 cites·10 claims
- 0575US7478938B2Two-sided-emission-type back light unit and display using said back light unitCITIZEN ELECTRONICS·Filed 2006·Granted Jan 20, 2009·7 cites·9 claims
- 0672US11754878B2Backlight deviceNICHIA CORP·Filed 2022·Granted Sep 12, 2023·0 cites·9 claims
- 0770US11506935B2BacklightNICHIA CORP·Filed 2021·Granted Nov 22, 2022·0 cites·11 claims
- 0868US11681181B2Backlight deviceNICHIA CORP·Filed 2019·Granted Jun 20, 2023·0 cites·6 claims
- 0967US11054700B2BacklightCITIZEN ELECTRONICS·Filed 2018·Granted Jul 6, 2021·0 cites·14 claims
- 1066US7527411B2Lightguide plate of a double-sided illumination backlight and a double-sided liquid crystal display unit using the backlightCITIZEN ELECTRONICS·Filed 2007·Granted May 5, 2009·4 cites·10 claims
- 1164US12396300B1Light-emitting device and method of manufacturing the sameCITIZEN ELECTRONICS·Filed 2023·Granted Aug 19, 2025·0 cites·18 claims
- 1263US8616749B2Planar light-emitting deviceSHIMIZU TAKAHIRO·Filed 2012·Granted Dec 31, 2013·2 cites·21 claims
- 1356US10302840B2BacklightCITIZEN WATCH CO LTD·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 1450US2024145646A1Light emitting deviceCITIZEN ELECTRONICS·Filed 2024·Application pending·0 cites
- 1542US2007189033A1Light guide plateCITIZEN ELECTRONICS·Filed 2007·Application pending·0 cites
- 1640US2015168632A1Planar lighting device and display device including planar lighting deviceCITIZEN ELECTRONICS·Filed 2013·Application pending·0 cites
- 1739US2005185423A1Backlight systemCITIZEN ELECTRONICS·Filed 2005·Application pending·0 cites
- 1832US5734537ATape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the sameHITACHI LTD·Filed 1996·Granted Mar 31, 1998·1 cites·17 claims
- 1931US5661622ARotary magnetic head cylinder device for reduced vibration and proper head/type alignmentHITACHI LTD·Filed 1996·Granted Aug 26, 1997·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →