Inventor · disambiguated record
Yoshihiko Ishitaka
Also filed as: ISHITAKA YOSHIHIKO
12 granted patents·4 pending applications·481 citations·filing 1994–2005
94Inventor score
Files withALPS ELECTRIC CO LTD16
Top patents by PatentIndex Score
16 records- 0196US6806922B2Surface light-emitting device having light-guide panel wherein light radiated from exit surface is maximized proximate to normal direction of exit surfaceALPS ELECTRIC CO LTD·Filed 2002·Granted Oct 19, 2004·121 cites·16 claims
- 0291US6219120B1Liquid crystal display with corrugated reflective surfaceALPS ELECTRIC CO LTD·Filed 2000·Granted Apr 17, 2001·41 cites·5 claims
- 0384US5438421AOrientation film of liquid crystal having bilaterally asymmetric ridges separated by groovesALPS ELECTRIC CO LTD·Filed 1994·Granted Aug 1, 1995·70 cites·8 claims
- 0483US6141073AReflective type liquid crystal displayALPS ELECTRIC CO LTD·Filed 2000·Granted Oct 31, 2000·22 cites·2 claims
- 0582US6130736ALiquid crystal display with corrugated reflective surfaceALPS ELECTRIC CO LTD·Filed 1998·Granted Oct 10, 2000·54 cites·5 claims
- 0678US6330046B1Reflection type liquid crystal display device wherein the organic film is terminated before extending into the driving element mounting regionALPS ELECTRIC CO LTD·Filed 2000·Granted Dec 11, 2001·20 cites·42 claims
- 0777US5705096AUV crosslinking compound, alignment film for LCD component and LCD componentALPS ELECTRIC CO LTD·Filed 1996·Granted Jan 6, 1998·50 cites·3 claims
- 0871US6808282B2Light guide plate having anti-reflection layer and a method of manufacturing the sameALPS ELECTRIC CO LTD·Filed 2002·Granted Oct 26, 2004·13 cites·9 claims
- 0968US6693683B2Photo-conductor plate reduced in light reflection, and surface emitting device and liquid crystal display unit using itALPS ELECTRIC CO LTD·Filed 2001·Granted Feb 17, 2004·11 cites·8 claims
- 1066US6233031B1Liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 1998·Granted May 15, 2001·35 cites·4 claims
- 1162US5486403AAlignment layer for liquid crystal element and method of producing sameALPS ELECTRIC CO LTD·Filed 1994·Granted Jan 23, 1996·21 cites·2 claims
- 1255US5725915ALiquid crystal displayALPS ELECTRIC CO LTD·Filed 1995·Granted Mar 10, 1998·23 cites·4 claims
- 1341US2005266176A1Anti-reflective structure, anti-reflective film having the same, light guide, illumination device, and liquid crystal display deviceALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 1441US2004257484A1Illumination device, tablet, and liquid crystal displayALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 1540US2004105646A1Anti-reflective structure, illuminating device, liquid crystal display device, and mold for forming anti-reflective filmALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 1634US2005023433A1Resin optical component mold having minute concavo-convex portions and method of manufacturing resin optical component using the sameALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →