Inventor · disambiguated record
Yasushi Nagasaka
Also filed as: HIRAGUCHI HIROSHI · NAGASAKA YASUSHI
15 granted patents·1 pending application·100 citations·filing 1995–2016
91Inventor score
Top patents by PatentIndex Score
16 records- 0189US9091957B1Optical writer and image forming apparatusKONICA MINOLTA INC·Filed 2015·Granted Jul 28, 2015·4 cites·11 claims
- 0284US9041760B2Optical print head and image forming apparatusKONICA MINOLTA INC·Filed 2013·Granted May 26, 2015·3 cites·16 claims
- 0381US6400488B1Light beam scannerMINOLTA CO LTD·Filed 2000·Granted Jun 4, 2002·25 cites·20 claims
- 0474US9671752B2Optical writing device equipped with light emitting elementsKONICA MINOLTA INC·Filed 2016·Granted Jun 6, 2017·1 cites·9 claims
- 0574US8963979B2Fixing structure for fixing optical element, laser scanning apparatus, image forming apparatus, and method for fixing optical elementKONICA MINOLTA INC·Filed 2013·Granted Feb 24, 2015·3 cites·13 claims
- 0673US10031437B2Light emitting device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Jul 24, 2018·2 cites·12 claims
- 0771US9983500B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2016·Granted May 29, 2018·1 cites·14 claims
- 0869US9671715B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Jun 6, 2017·1 cites·19 claims
- 0964US9471001B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Oct 18, 2016·1 cites·10 claims
- 1060US6341030B1Light beam optical scanner and image forming apparatusMINOLTA CO LTD·Filed 2000·Granted Jan 22, 2002·7 cites·13 claims
- 1158US6313906B1Multibeam scanning deviceMINOLTA CO LTD·Filed 1998·Granted Nov 6, 2001·21 cites·39 claims
- 1250US5969346ALaser beam scanning optical apparatusMINOLTA CO LTD·Filed 1997·Granted Oct 19, 1999·15 cites·18 claims
- 1342US2012268802A1Laser Scanning Optical DeviceNAGASAKA YASUSHI·Filed 2012·Application pending·0 cites
- 1441US5856669ALaser beam scanning optical apparatus having means for generating moire fringesMINOLTA CO LTD·Filed 1996·Granted Jan 5, 1999·9 cites·36 claims
- 1539US5671079AScanning lens systemMINOLTA CO LTD·Filed 1995·Granted Sep 23, 1997·7 cites·10 claims
- 1636US8879134B2Laser scanning optical deviceTAJIMA NAOKI·Filed 2012·Granted Nov 4, 2014·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →