Inventor
IECHIKA HISASHI
JP14 patents
Patents
14 patentsUS5865521AFeb 2, 1999
Projection-type display apparatus
SEIKO EPSON CORP92 citations99
US6000802ADec 14, 1999
Projection-type display apparatus
SEIKO EPSON CORP52 citations96
USRE38084EApr 22, 2003
Projector
SEIKO EPSON CORP16 citations92
US6273569B1Aug 14, 2001
Illuminating optical system and projector
SEIKO EPSON CORP39 citations92
US6092901AJul 25, 2000
Polarizing illumination device and projection display device
SEIKO EPSON CORP43 citations92
USRE39040EMar 28, 2006
Projector
SEIKO EPSON CORP6 citations74
US6247817B1Jun 19, 2001
Projector
SEIKO EPSON CORP9 citations74
US6142634ANov 7, 2000
Projector
SEIKO EPSON CORP12 citations74
US7118229B2Oct 10, 2006
Illumination optical system and projector using the same
SEIKO EPSON CORP7 citations73
US6856375B2Feb 15, 2005
Liquid crystal light valve and projection display device including the same
SEIKO EPSON CORP9 citations73
US7497594B2Mar 3, 2009
Illuminating device and projector
SEIKO EPSON CORP7 citations71
USRE41680ESep 14, 2010
Projector
SEIKO EPSON CORP2 citations63
USRE39702EJun 26, 2007
Projector
SEIKO EPSON CORP1 citations63
US7198374B2Apr 3, 2007
Prism structure and projector
SEIKO EPSON CORP5 citations61