Inventor · disambiguated record
Kumajiro Sekine
Also filed as: SEKINE KUMAJIRO
10 granted patents·1 pending application·132 citations·filing 1993–2005
89Inventor score
Top patents by PatentIndex Score
11 records- 0178US6989946B2Projection lensSEKINOS CO LTD·Filed 2004·Granted Jan 24, 2006·20 cites·7 claims
- 0268US6022126ALaser pointerSEKINOS CO LTD·Filed 1997·Granted Feb 8, 2000·33 cites·11 claims
- 0364US6552859B1Lens apparatus for projectionSEKINOS CO LTD·Filed 2000·Granted Apr 22, 2003·8 cites·3 claims
- 0464US5371628AProjection lens incorporating a pair of matching plastic lensesSEKINOS CO LTD·Filed 1993·Granted Dec 6, 1994·35 cites·18 claims
- 0559US7023629B2Projection lens unitSEKINOS CO LTD·Filed 2003·Granted Apr 4, 2006·6 cites·20 claims
- 0657US6798584B2Lens apparatus for projectionSEKINOS CO LTD·Filed 2002·Granted Sep 28, 2004·5 cites·4 claims
- 0756US6171421B1Prism assembly and method for producing the sameSEKINOS CO LTD·Filed 1997·Granted Jan 9, 2001·19 cites·2 claims
- 0854US7126768B2Projection lens unitSEKINOS CO LTD·Filed 2004·Granted Oct 24, 2006·4 cites·4 claims
- 0941US6942346B2Illuminating optical system and color image projecting deviceSEKINOS CO LTD·Filed 2003·Granted Sep 13, 2005·2 cites·7 claims
- 1039US7012764B2Projection lensSEKINOS CO LTD·Filed 2005·Granted Mar 14, 2006·0 cites·7 claims
- 1129US2005219720A1Projection lens unitYURA FUMITOSHI·Filed 2005·Application pending·0 cites
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