Inventor · disambiguated record
Eiki Matsuo
Also filed as: MATSUO EIKI
15 granted patents·2 pending applications·395 citations·filing 1987–2015
94Inventor score
Files withNEC VIEWTECHNOLOGY LTD6ALPS ELECTRIC CO LTD5SEIKO EPSON CORP3KYOCERA CORP1NISSHO GIKEN KK1
Top patents by PatentIndex Score
17 records- 0194US6771427B1Image-forming optical systemNEC VIEWTECHNOLOGY LTD·Filed 2000·Granted Aug 3, 2004·67 cites·40 claims
- 0290US6970306B2Imaging lensSEIKO EPSON CORP·Filed 2004·Granted Nov 29, 2005·49 cites·8 claims
- 0390US6950240B2Imaging optical systemNEC VIEWTECHNOLOGY LTD·Filed 2004·Granted Sep 27, 2005·35 cites·4 claims
- 0489US5871266AProjection-type display deviceNISSHO GIKEN KK·Filed 1996·Granted Feb 16, 1999·103 cites·15 claims
- 0586US7717573B2Projection display apparatusNEC VIEWTECHNOLOGY LTD·Filed 2006·Granted May 18, 2010·11 cites·16 claims
- 0685US7471465B2Optical apparatusALPS ELECTRIC CO LTD·Filed 2008·Granted Dec 30, 2008·14 cites·10 claims
- 0785US7298561B1Optical deviceALPS ELECTRIC CO LTD·Filed 2007·Granted Nov 20, 2007·14 cites·7 claims
- 0880US7123420B2Imaging optical systemNEC VIEWTECHNOLOGY LTD·Filed 2005·Granted Oct 17, 2006·7 cites·4 claims
- 0978US4834514AZoom lens mount assemblyKYOCERA CORP·Filed 1987·Granted May 30, 1989·56 cites·6 claims
- 1077US7177103B2Optical lens adjusting device and adjusting method thereofALPS ELECTRIC CO LTD·Filed 2005·Granted Feb 13, 2007·6 cites·12 claims
- 1174US7423824B2Actuator, optical apparatus using actuator, and method of manufacturing actuatorALPS ELECTRIC CO LTD·Filed 2005·Granted Sep 9, 2008·8 cites·15 claims
- 1273US6879444B2Imaging optical systemNEC VIEWTECHNOLOGY LTD·Filed 2003·Granted Apr 12, 2005·10 cites·80 claims
- 1367US6947221B2Imaging optical systemNEC VIEWTECHNOLOGY LTD·Filed 2003·Granted Sep 20, 2005·7 cites·40 claims
- 1455US7038861B2Image pick-up lensSEIKO EPSON CORP·Filed 2003·Granted May 2, 2006·6 cites·2 claims
- 1546US6888687B2Photographic lens and camera moduleSEIKO EPSON CORP·Filed 2003·Granted May 3, 2005·2 cites·7 claims
- 1636US2016063326A1Illumination imaging device and gaze detecting apparatusALPS ELECTRIC CO LTD·Filed 2015·Application pending·0 cites
- 1734US2005002117A1Image-pick up lensFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →