Inventor · disambiguated record
Hideaki Nagakubo
Also filed as: NAGAKUBO HIDEAKI
12 granted patents·7 pending applications·263 citations·filing 1997–2009
92Inventor score
Top patents by PatentIndex Score
19 records- 0192US6981792B2Backlight device and liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2003·Granted Jan 3, 2006·57 cites·12 claims
- 0286US7356211B2Lighting systemALPS ELECTRIC CO LTD·Filed 2006·Granted Apr 8, 2008·17 cites·20 claims
- 0383US7165874B2Backlight unit and liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2003·Granted Jan 23, 2007·27 cites·20 claims
- 0482US8334794B2Input device and keyboard device having illumination functionWATANABE KAZUTOSHI·Filed 2009·Granted Dec 18, 2012·13 cites·24 claims
- 0577US6313891B1Liquid crystal display device with light quantity control portionALPS ELECTRIC CO LTD·Filed 1997·Granted Nov 6, 2001·53 cites·16 claims
- 0674US7121711B2Surface emitting device and liquid crystal display apparatusALPS ELECTRIC CO LTD·Filed 2004·Granted Oct 17, 2006·15 cites·17 claims
- 0768US6692134B2Surface-emitting device precisely positioned in the front of liquid crystal display unit, and liquid crystal display device having the surface-emitting deviceALPS ELECTRIC CO LTD·Filed 2002·Granted Feb 17, 2004·16 cites·22 claims
- 0867US7123318B2Double-sided emissive liquid crystal display module containing double-sided illumination plate and multiple display panelsALPS ELECTRIC CO LTD·Filed 2003·Granted Oct 17, 2006·12 cites·4 claims
- 0967US6971782B2Illumination device and liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2003·Granted Dec 6, 2005·11 cites·33 claims
- 1066US6219117B1Liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 1999·Granted Apr 17, 2001·32 cites·3 claims
- 1164US7497610B2Light guiding plate including a plurality of prisms, surface emitting device using light guiding plate, and liquid crystal display device using light guiding plateALPS ELECTRIC CO LTD·Filed 2005·Granted Mar 3, 2009·2 cites·7 claims
- 1243US2009244905A1Illumination device and input device with illumination function having the sameALPS ELECTRIC CO LTD·Filed 2009·Application pending·0 cites
- 1342US2006262572A1Light guide plate and liquid crystal display device having the light guide plateALPS ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 1442US2009073724A1Input device with illumination functionALPS ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 1541US2005024890A1Light guide plate, surface light-emitting unit, and liquid crystal display device and method for manufacturing the sameALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 1641US2007127264A1Surface emitting deviceALPS ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 1741US2006290685A1Multicolored lighting device and coordinate input deviceALPS ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 1834US6297786B1Liquid crystal display apparatusALPS ELECTRIC CO LTD·Filed 1998·Granted Oct 2, 2001·8 cites·3 claims
- 1922US2001013864A1Driving voltage generator of liquid crystal display unitFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →