Inventor · disambiguated record
Shigeru Sawamura
Also filed as: SAWAMURA SHIGERU
15 granted patents·1 pending application·332 citations·filing 1997–2008
94Inventor score
Top patents by PatentIndex Score
16 records- 0194US6382799B1Projection optical apparatusMINOLTA CO LTD·Filed 2000·Granted May 7, 2002·51 cites·8 claims
- 0292US6454417B1Projection optical system comprising an optical function surface for reflecting or transmitting light from a spatial light modulatorMINOLTA CO LTD·Filed 2000·Granted Sep 24, 2002·61 cites·13 claims
- 0385US6179424B1Optical system for a projectorMINOLTA CO LTD·Filed 2000·Granted Jan 30, 2001·32 cites·16 claims
- 0484US6685322B2Optical system and projection-type image display deviceMINOLTA CO LTD·Filed 2001·Granted Feb 3, 2004·28 cites·8 claims
- 0584US6583940B2Projection systemMINOLTA CO LTD·Filed 2001·Granted Jun 24, 2003·28 cites·27 claims
- 0681US6357878B1Optical system for a projectorMINOLTA CO LTD·Filed 2000·Granted Mar 19, 2002·26 cites·27 claims
- 0777US6478431B1Illumination system and projectorMINOLTA CO LTD·Filed 2000·Granted Nov 12, 2002·15 cites·27 claims
- 0877US6469820B1Scanning optical systemMINOLTA CO LTD·Filed 2000·Granted Oct 22, 2002·16 cites·8 claims
- 0975US6558007B2Illumination optical system and image projection apparatusMINOLTA CO LTD·Filed 2002·Granted May 6, 2003·15 cites·16 claims
- 1068US6193376B1Display apparatusMINOLTA CO LTD·Filed 1999·Granted Feb 27, 2001·34 cites·38 claims
- 1166US8007116B2Video projection device having a converter lens attachably and detachably providedKONICA MINOLTA OPTO INC·Filed 2008·Granted Aug 30, 2011·3 cites·14 claims
- 1263US7012758B2Projection optical system and projecting apparatus provided with sameKONICA MINOLTA OPTO INC·Filed 2005·Granted Mar 14, 2006·3 cites·28 claims
- 1361US6840631B2Illuminating apparatus, and projector using the illuminating apparatusMINOLTA CO LTD·Filed 2002·Granted Jan 11, 2005·7 cites·18 claims
- 1452US6128120AScanning optical systemMINOLTA CO LTD·Filed 1997·Granted Oct 3, 2000·13 cites·26 claims
- 1549US7862180B2Optical system for image projection and image projection apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Jan 4, 2011·0 cites·23 claims
- 1640US2003025974A1Scanning optical systemFiled 2002·Application pending·0 cites
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