Inventor
SAWAMURA SHIGERU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SAWAMURA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
12 patentsUS6454417B1Sep 24, 2002
Projection optical system comprising an optical function surface for reflecting or transmitting light from a spatial light modulator
MINOLTA CO LTD61 citations96
US6583940B2Jun 24, 2003
Projection system
MINOLTA CO LTD28 citations92
US6382799B1May 7, 2002
Projection optical apparatus
MINOLTA CO LTD51 citations92
US6357878B1Mar 19, 2002
Optical system for a projector
MINOLTA CO LTD26 citations92
US6193376B1Feb 27, 2001
Display apparatus
MINOLTA CO LTD34 citations92
US6179424B1Jan 30, 2001
Optical system for a projector
MINOLTA CO LTD32 citations92
US6469820B1Oct 22, 2002
Scanning optical system
MINOLTA CO LTD16 citations91
US6685322B2Feb 3, 2004
Optical system and projection-type image display device
MINOLTA CO LTD28 citations88
US6478431B1Nov 12, 2002
Illumination system and projector
MINOLTA CO LTD15 citations84
US6558007B2May 6, 2003
Illumination optical system and image projection apparatus
MINOLTA CO LTD15 citations83
US6840631B2Jan 11, 2005
Illuminating apparatus, and projector using the illuminating apparatus
MINOLTA CO LTD7 citations73
US6128120AOct 3, 2000
Scanning optical system
MINOLTA CO LTD13 citations72
KONICA MINOLTA OPTO INC
3 patentsUS7012758B2Mar 14, 2006
Projection optical system and projecting apparatus provided with same
KONICA MINOLTA OPTO INC3 citations62
US8007116B2Aug 30, 2011
Video projection device having a converter lens attachably and detachably provided
KONICA MINOLTA OPTO INC3 citations57
US7862180B2Jan 4, 2011
Optical system for image projection and image projection apparatus
KONICA MINOLTA OPTO INC0 citations42