Inventor
SEKINE KUMAJIRO
JP10 patents
Patents
10 patentsUS6989946B2Jan 24, 2006
Projection lens
SEKINOS CO LTD20 citations92
US6171421B1Jan 9, 2001
Prism assembly and method for producing the same
SEKINOS CO LTD19 citations92
US6022126AFeb 8, 2000
Laser pointer
SEKINOS CO LTD33 citations92
US5371628ADec 6, 1994
Projection lens incorporating a pair of matching plastic lenses
SEKINOS CO LTD35 citations86
US6798584B2Sep 28, 2004
Lens apparatus for projection
SEKINOS CO LTD5 citations71
US6552859B1Apr 22, 2003
Lens apparatus for projection
SEKINOS CO LTD8 citations71
US7126768B2Oct 24, 2006
Projection lens unit
SEKINOS CO LTD4 citations62
US7023629B2Apr 4, 2006
Projection lens unit
SEKINOS CO LTD6 citations62
US6942346B2Sep 13, 2005
Illuminating optical system and color image projecting device
SEKINOS CO LTD2 citations52
US7012764B2Mar 14, 2006
Projection lens
SEKINOS CO LTD0 citations41