Inventor · disambiguated record
Hisashi Iechika
Also filed as: IECHIKA HISASHI
14 granted patents·300 citations·filing 1997–2007
94Inventor score
Files withSEIKO EPSON CORP14
Top patents by PatentIndex Score
14 records- 0191US6273569B1Illuminating optical system and projectorSEIKO EPSON CORP·Filed 1999·Granted Aug 14, 2001·39 cites·16 claims
- 0290US5865521AProjection-type display apparatusSEIKO EPSON CORP·Filed 1997·Granted Feb 2, 1999·92 cites·19 claims
- 0387US6000802AProjection-type display apparatusSEIKO EPSON CORP·Filed 1998·Granted Dec 14, 1999·52 cites·19 claims
- 0481USRE38084EProjectorSEIKO EPSON CORP·Filed 2001·Granted Apr 22, 2003·16 cites·46 claims
- 0574USRE41680EProjectorSEIKO EPSON CORP·Filed 2007·Granted Sep 14, 2010·2 cites·63 claims
- 0672US6092901APolarizing illumination device and projection display deviceSEIKO EPSON CORP·Filed 1998·Granted Jul 25, 2000·43 cites·16 claims
- 0770US6856375B2Liquid crystal light valve and projection display device including the sameSEIKO EPSON CORP·Filed 2001·Granted Feb 15, 2005·9 cites·5 claims
- 0869US6247817B1ProjectorSEIKO EPSON CORP·Filed 2000·Granted Jun 19, 2001·9 cites·6 claims
- 0968US7497594B2Illuminating device and projectorSEIKO EPSON CORP·Filed 2007·Granted Mar 3, 2009·7 cites·10 claims
- 1066US7118229B2Illumination optical system and projector using the sameSEIKO EPSON CORP·Filed 2002·Granted Oct 10, 2006·7 cites·20 claims
- 1164USRE39040EProjectorSEIKO EPSON CORP·Filed 2002·Granted Mar 28, 2006·6 cites·25 claims
- 1261US7198374B2Prism structure and projectorSEIKO EPSON CORP·Filed 2003·Granted Apr 3, 2007·5 cites·18 claims
- 1356USRE39702EProjectorSEIKO EPSON CORP·Filed 2001·Granted Jun 26, 2007·1 cites·52 claims
- 1452US6142634AProjectorSEIKO EPSON CORP·Filed 1997·Granted Nov 7, 2000·12 cites·21 claims
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