Inventor · disambiguated record
Eiichi Yanagi
Also filed as: YANAGI EIICHI
33 granted patents·3 pending applications·735 citations·filing 1989–2020
97Inventor score
Top patents by PatentIndex Score
36 records- 0193US5442523ABacklighting deviceTOSOH CORP·Filed 1992·Granted Aug 15, 1995·113 cites·6 claims
- 0293US5093765ABack lighting device for a panelTOSOH CORP·Filed 1991·Granted Mar 3, 1992·143 cites·13 claims
- 0392US5973772ALayout judgment apparatus and layout judgment systemTOPCON CORP·Filed 1997·Granted Oct 26, 1999·66 cites·17 claims
- 0491US4937709ABack lighting device for a liquid crystal panelTOSOH CORP·Filed 1989·Granted Jun 26, 1990·77 cites·2 claims
- 0586US6480267B2Wavefront sensor, and lens meter and active optical reflecting telescope using the sameTOPCON CORP·Filed 2000·Granted Nov 12, 2002·33 cites·30 claims
- 0683US5847819ALens meter utilizing three different wavelengthsTOPCON CORP·Filed 1997·Granted Dec 8, 1998·38 cites·8 claims
- 0779US5730518ABacklighting deviceTOSOH CORP·Filed 1995·Granted Mar 24, 1998·48 cites·13 claims
- 0876US7715023B2Jig mounting apparatusTOPCON CORP·Filed 2005·Granted May 11, 2010·6 cites·13 claims
- 0973US6061123ALens meterTOPCON CORP·Filed 1997·Granted May 9, 2000·32 cites·4 claims
- 1071US7280191B2Lens meterTOPCON CORP·Filed 2005·Granted Oct 9, 2007·6 cites·13 claims
- 1168US6943481B2Vibration member and vibration wave driving apparatusCANON KK·Filed 2002·Granted Sep 13, 2005·16 cites·6 claims
- 1266US7301614B2Lens-refracting characteristic measuring apparatusTOPCON CORP·Filed 2005·Granted Nov 27, 2007·4 cites·14 claims
- 1365US6778264B2Lens meterTOPCON CORP·Filed 2001·Granted Aug 17, 2004·8 cites·18 claims
- 1464US5867259AHidden-mark observing apparatus and hidden-mark observable lens-meterTOPCON CORP·Filed 1997·Granted Feb 2, 1999·23 cites·14 claims
- 1561US5910836ALens meterTOPCON CORP·Filed 1997·Granted Jun 8, 1999·19 cites·8 claims
- 1660US9717408B2Ophthalmologic imaging apparatus for stimulated eyeKK TOPCON·Filed 2013·Granted Aug 1, 2017·1 cites·19 claims
- 1757US5719668ALens-meter for measuring optical characteristics of optical lensTOPCON CORP·Filed 1996·Granted Feb 17, 1998·21 cites·3 claims
- 1855US6950180B2Lens meterTOPCON CORP·Filed 2004·Granted Sep 27, 2005·4 cites·18 claims
- 1954US6236453B1Lens meterTOPCON CORP·Filed 1999·Granted May 22, 2001·15 cites·9 claims
- 2050US11534062B2Eye chart presentation device and ophthalmologic apparatusTOPCON CORP·Filed 2020·Granted Dec 27, 2022·0 cites·6 claims
- 2150US7088439B2Lens meterFUKUMA YASUFUMI·Filed 2005·Granted Aug 8, 2006·1 cites·10 claims
- 2250US6847441B2Method of measuring optical characteristics of spectacle lenses and lens meterTOPCON CORP·Filed 2003·Granted Jan 25, 2005·4 cites·5 claims
- 2348US6809460B2Position control apparatus and method for table memberCANON KK·Filed 2002·Granted Oct 26, 2004·2 cites·3 claims
- 2448US2009030299A1Non-contact type tonometerTOPCON CORP·Filed 2008·Application pending·0 cites
- 2547US2022248950A1Ophthalmic deviceTOPCON CORP·Filed 2020·Application pending·0 cites
- 2646US6118528AMeasuring container for contact lens meterTOPCON CORP·Filed 1998·Granted Sep 12, 2000·10 cites·3 claims
- 2744US6844925B2Apparatus for measuring refractive powerTOPCON CORP·Filed 2001·Granted Jan 18, 2005·2 cites·18 claims
- 2842US6359684B2Lens specifying deviceTOPCON CORP·Filed 1999·Granted Mar 19, 2002·10 cites·11 claims
- 2941US5896194ALens meterTOPCON CORP·Filed 1997·Granted Apr 20, 1999·10 cites·10 claims
- 3040US5176376AVibration sheet feederCANON KK·Filed 1991·Granted Jan 5, 1993·8 cites·14 claims
- 3140US2005005722A1Positioning deviceCANON KK·Filed 2004·Application pending·0 cites
- 3239US7341349B2Ophthalmologic apparatus and ophthalmologic chartTOPCON CORP·Filed 2002·Granted Mar 11, 2008·0 cites·10 claims
- 3338US5945771AVibration wave driven motor and a printing apparatusCANON KK·Filed 1997·Granted Aug 31, 1999·6 cites·28 claims
- 3438US5065999ASheet feeding device utilizing vibration wavesCANON KK·Filed 1990·Granted Nov 19, 1991·7 cites·17 claims
- 3537US6593712B2Drive control device of vibration wave motorCANON KK·Filed 2001·Granted Jul 15, 2003·0 cites·4 claims
- 3631US6145989ALens meterTOPCON CORP·Filed 1999·Granted Nov 14, 2000·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →