Inventor · disambiguated record
Katsuhiro Takamoto
Also filed as: TAKAMOTO KATSUHIRO
21 granted patents·644 citations·filing 1992–2017
96Inventor score
Top patents by PatentIndex Score
21 records- 0196US5993010ATwo-dimensional illumination optical system and liquid crystal projector using sameMINOLTA CO LTD·Filed 1998·Granted Nov 30, 1999·72 cites·14 claims
- 0296US5716118AImaging optical systemMINOLTA CO LTD·Filed 1996·Granted Feb 10, 1998·176 cites·6 claims
- 0394US6382799B1Projection optical apparatusMINOLTA CO LTD·Filed 2000·Granted May 7, 2002·51 cites·8 claims
- 0492US6454417B1Projection 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
- 0588US6275343B1Projection optical systemMINOLTA CO LTD·Filed 2000·Granted Aug 14, 2001·40 cites·8 claims
- 0684US6685322B2Optical system and projection-type image display deviceMINOLTA CO LTD·Filed 2001·Granted Feb 3, 2004·28 cites·8 claims
- 0784US6583940B2Projection systemMINOLTA CO LTD·Filed 2001·Granted Jun 24, 2003·28 cites·27 claims
- 0884US5947576AOblique projection optical apparatusMINOLTA CO LTD·Filed 1997·Granted Sep 7, 1999·21 cites·13 claims
- 0976US9285574B2Variable magnification projection optical system and image projection apparatusKONICA MINOLTA INC·Filed 2015·Granted Mar 15, 2016·3 cites·14 claims
- 1076US5543970AZoom lens systemMINOLTA CAMERA KK·Filed 1994·Granted Aug 6, 1996·45 cites·87 claims
- 1175US8699139B2Variable-focal-length projection lens system and projection apparatusTAKAMOTO KATSUHIRO·Filed 2012·Granted Apr 15, 2014·6 cites·21 claims
- 1275US6558007B2Illumination optical system and image projection apparatusMINOLTA CO LTD·Filed 2002·Granted May 6, 2003·15 cites·16 claims
- 1358US5709445AOblique projection optical systemMINOLTA CO LTD·Filed 1996·Granted Jan 20, 1998·21 cites·23 claims
- 1452US6028715AVariable magnification optical systemMINOLTA CO LTD·Filed 1997·Granted Feb 22, 2000·19 cites·13 claims
- 1552US6014267AVariable magnification optical systemMINOLTA CO LTD·Filed 1998·Granted Jan 11, 2000·17 cites·12 claims
- 1648US5914820AZoom lens systemMINOLTA CO LTD·Filed 1997·Granted Jun 22, 1999·14 cites·27 claims
- 1748US5683161AProjecting optical deviceMINOLTA CO LTD·Filed 1996·Granted Nov 4, 1997·3 cites·6 claims
- 1848US5268793AZoom lens systemMINOLTA CAMERA KK·Filed 1993·Granted Dec 7, 1993·14 cites·18 claims
- 1946US8270074B2Magnified-projection optical system and digital type planetarium deviceSHIMO MITSUAKI·Filed 2009·Granted Sep 18, 2012·1 cites·16 claims
- 2045US11181722B2Projection optical system and projectorKONICA MINOLTA INC·Filed 2017·Granted Nov 23, 2021·0 cites·8 claims
- 2140US5359457AWide-angle zoom lens systemMINOLTA CAMERA KK·Filed 1992·Granted Oct 25, 1994·9 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →