Inventor · disambiguated record
Yasuji Seko
Also filed as: SEKO YASUJI
28 granted patents·3 pending applications·628 citations·filing 1992–2010
97Inventor score
Top patents by PatentIndex Score
31 records- 0196US6597017B1Semiconductor device, surface emitting semiconductor laser and edge emitting semiconductor laserFUJI XEROX CO LTD·Filed 2000·Granted Jul 22, 2003·72 cites·15 claims
- 0295US5425041AMultiquantum barrier laser having high electron and hole reflectivity of layersFUJI XEROX CO LTD·Filed 1994·Granted Jun 13, 1995·102 cites·27 claims
- 0394US6222866B1Surface emitting semiconductor laser, its producing method and surface emitting semiconductor laser arrayFUJI XEROX CO LTD·Filed 1997·Granted Apr 24, 2001·125 cites·11 claims
- 0487US8170329B2Position measuring system, position measuring method and computer readable mediumSEKO YASUJI·Filed 2009·Granted May 1, 2012·40 cites·20 claims
- 0578US7742895B2Position measurement system, position measurement method and computer readable mediumFUJI XEROX CO LTD·Filed 2008·Granted Jun 22, 2010·10 cites·13 claims
- 0677US7009713B2Optical position measuring system using an interference patternFUJI XEROX CO LTD·Filed 2003·Granted Mar 7, 2006·24 cites·53 claims
- 0776US7633628B2Optical lens system and position measurement system using the sameFUJI XEROX CO LTD·Filed 2008·Granted Dec 15, 2009·6 cites·8 claims
- 0876US7360708B2Information processing method and system using terminal apparatusFUJI XEROX CO LTD·Filed 2006·Granted Apr 22, 2008·12 cites·15 claims
- 0975US6320891B1Surface emitting semiconductor laserFUJI XEROX CO LTD·Filed 2000·Granted Nov 20, 2001·21 cites·15 claims
- 1073US6985236B2Position measurement systemFUJI XEROX CO LTD·Filed 2003·Granted Jan 10, 2006·17 cites·20 claims
- 1172US7830605B2Longitudinal interference fringe pattern projection lens, optical system, and three-dimensional image acquisition apparatusFUJI XEROX CO LTD·Filed 2007·Granted Nov 9, 2010·3 cites·17 claims
- 1268US5809052ASemiconductor laser array driving method, semiconductor laser array driving device and image forming apparatusFUJI XEROX CO LTD·Filed 1996·Granted Sep 15, 1998·30 cites·11 claims
- 1366US7583388B2Position measurement systemFUJI XEROX CO LTD·Filed 2006·Granted Sep 1, 2009·4 cites·12 claims
- 1465US5978403ATwo-dimensional device array, two-dimensional surface light emitting laser array and image forming apparatusFUJI XEROX CO LTD·Filed 1997·Granted Nov 2, 1999·33 cites·21 claims
- 1563US6262540B1Semiconductor device and image formation apparatus using sameFUJI XEROX CO LTD·Filed 1999·Granted Jul 17, 2001·30 cites·15 claims
- 1662US7791736B2Position measurement systemFUJI XEROX CO LTD·Filed 2009·Granted Sep 7, 2010·3 cites·4 claims
- 1762US7489406B2Optical lens system and position measurement system using the sameFUJI XEROX CO LTD·Filed 2007·Granted Feb 10, 2009·3 cites·14 claims
- 1861US7562821B2Position measurement systemFUJI XEROX CO LTD·Filed 2006·Granted Jul 21, 2009·3 cites·9 claims
- 1959US5880766AApparatus for correcting positional deviation of light source emitting light beams in image recording apparatusFUJI XEROX CO LTD·Filed 1996·Granted Mar 9, 1999·23 cites·18 claims
- 2058US7274461B2Optical lens system and position measurement system using the sameFUJI XEROX CO LTD·Filed 2004·Granted Sep 25, 2007·9 cites·13 claims
- 2156US7474418B2Position measurement systemFUJI XEROX CO LTD·Filed 2005·Granted Jan 6, 2009·2 cites·12 claims
- 2252US7554676B2Positional measurement system and lens for positional measurementFUJI XEROX CO LTD·Filed 2004·Granted Jun 30, 2009·9 cites·30 claims
- 2351US5963242AImage recording apparatus with an array light sourceFUJI XEROX CO LTD·Filed 1996·Granted Oct 5, 1999·12 cites·14 claims
- 2447US5990494AOptoelectro transducer array, and light-emitting device array and fabrication process thereofFUJI XEROX CO LTD·Filed 1997·Granted Nov 23, 1999·10 cites·6 claims
- 2547US5253265ASemiconductor laser deviceFUJI XEROX CO LTD·Filed 1992·Granted Oct 12, 1993·11 cites·8 claims
- 2643US2005041980A1Wireless optical systemFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 2742US2010231709A1Position measurement system, position measurement method and computer-readable mediumFUJI XEROX CO LTD·Filed 2009·Application pending·0 cites
- 2841US5588016ASemiconductor laser deviceFUJI XEROX CO LTD·Filed 1995·Granted Dec 24, 1996·8 cites·16 claims
- 2938US2011063435A1Position measuring target, position measurement system, calculation device for position measurement and computer-readable mediumFUJI XEROX CO LTD·Filed 2010·Application pending·0 cites
- 3034US5491709ASemiconductor laser deviceFUJI XEROX CO LTD·Filed 1993·Granted Feb 13, 1996·3 cites·18 claims
- 3133US5648295AMethod of making a semiconductor laser deviceFUJI XEROX CO LTD·Filed 1996·Granted Jul 15, 1997·3 cites·4 claims
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