Inventor · disambiguated record
Toshifumi Mihashi
Also filed as: MIHASHI TOSHIFUMI
47 granted patents·5 pending applications·927 citations·filing 1989–2022
98Inventor score
Top patents by PatentIndex Score
52 records- 0179US7281797B2Optical-characteristic measurement apparatus and fundus-image observation apparatusTOPCON CORP·Filed 2005·Granted Oct 16, 2007·22 cites·20 claims
- 0278US7568800B2Apparatus and method for spectrally measuring fundusTOPCON CORP·Filed 2007·Granted Aug 4, 2009·9 cites·12 claims
- 0378US7530692B2Ophthalmologic photographing apparatusTOPCON CORP·Filed 2007·Granted May 12, 2009·17 cites·20 claims
- 0475US7635186B2Ophthalmologic measuring apparatusTOPCON CORP·Filed 2007·Granted Dec 22, 2009·15 cites·8 claims
- 0572US7537340B2Ophthalmologic imaging apparatusTOPCON CORP·Filed 2007·Granted May 26, 2009·9 cites·7 claims
- 0672US7036933B2Model eye for eye characteristic measuring device and calibration method for the sameTOPCON CORP·Filed 2003·Granted May 2, 2006·12 cites·15 claims
- 0771US6685320B2Opthalmic characteristic measuring apparatusTOPCON CORP·Filed 2002·Granted Feb 3, 2004·66 cites·10 claims
- 0870US7527379B2Ophthalmologic imaging apparatusTOPCON CORP·Filed 2007·Granted May 5, 2009·8 cites·10 claims
- 0968US7677728B2Ophthalmologic measuring apparatusKabuhsiki Kaisha Topcon·Filed 2007·Granted Mar 16, 2010·10 cites·11 claims
- 1068US7270413B2Ophthalmic data measuring apparatus, ophthalmic data measurement program and eye characteristic measuring apparatusTOPCON CORP·Filed 2004·Granted Sep 18, 2007·44 cites·27 claims
- 1167US7270415B2Retina observation apparatus and retina observation methodTOPCON CORP·Filed 2004·Granted Sep 18, 2007·10 cites·26 claims
- 1266US6273566B1Ophthalmologic characteristic measuring apparatusTOPCON CORP·Filed 2000·Granted Aug 14, 2001·34 cites·5 claims
- 1365US7246906B2Correction-factor determination apparatus and methodTOPCON CORP·Filed 2003·Granted Jul 24, 2007·32 cites·27 claims
- 1464US7850305B2Apparatus and method for measuring spectrum image data of eyegroundTOPCON CORP·Filed 2005·Granted Dec 14, 2010·4 cites·18 claims
- 1564US7806529B2Device and method for optometryTOPCON CORP·Filed 2008·Granted Oct 5, 2010·4 cites·6 claims
- 1664US7500754B2Ophthalmologic imaging apparatusTOPCON CORP·Filed 2007·Granted Mar 10, 2009·3 cites·6 claims
- 1763US7441900B2Contrast chart device, contrast sensitivity measuring device and contrast sensitivity measuring methodTOPCON CORP·Filed 2002·Granted Oct 28, 2008·29 cites·35 claims
- 1863US7309126B2Eye characteristics measuring deviceTOPCON CORP·Filed 2001·Granted Dec 18, 2007·30 cites·15 claims
- 1962US7677731B2Eye optical characteristic measuring apparatusTOPCON CORP·Filed 2007·Granted Mar 16, 2010·2 cites·17 claims
- 2061US6565210B2Ocular optical characteristic measuring apparatusTOPCON CORP·Filed 2001·Granted May 20, 2003·21 cites·4 claims
- 2161US6525883B2Optical characteristic measuring instrumentTOPCON CORP·Filed 2000·Granted Feb 25, 2003·27 cites·12 claims
- 2260US6905209B2Optical characteristics measuring deviceTOPCON CORP·Filed 2001·Granted Jun 14, 2005·21 cites·26 claims
- 2358US7216980B2Eye characteristic measuring apparatusTOPCON CORP·Filed 2002·Granted May 15, 2007·17 cites·36 claims
- 2458US6899428B2Contrast sensitivity measuring device and contrast sensitivity measuring methodTOPCON CORP·Filed 2003·Granted May 31, 2005·15 cites·18 claims
- 2557US7465049B2Portable ophthalmic apparatus and ophthalmic systemTOPCON CORP·Filed 2003·Granted Dec 16, 2008·15 cites·17 claims
- 2657US6802609B2Eye characteristic measuring apparatusTOPCON CORP·Filed 2001·Granted Oct 12, 2004·15 cites·13 claims
- 2757US6629761B1Eye characteristic measuring apparatusTOPCON CORP·Filed 2000·Granted Oct 7, 2003·16 cites·19 claims
- 2856USRE39882EOphthalmologic characteristic measuring apparatusTOPCON CORP·Filed 2003·Granted Oct 16, 2007·13 cites·8 claims
- 2956US6540692B2Optical characteristic measuring apparatusTOPCON CORP·Filed 2001·Granted Apr 1, 2003·12 cites·5 claims
- 3056US6536900B2Eye characteristic measuring apparatusTOPCON CORP·Filed 2001·Granted Mar 25, 2003·13 cites·6 claims
- 3156US6042233AOptical characteristic measuring apparatusTOPCON CORP·Filed 1998·Granted Mar 28, 2000·76 cites·7 claims
- 3256US2024411119A1Intraocular illumination device and intraocular illumination attachmentUNIV TSUKUBA·Filed 2022·Application pending·0 cites
- 3353US6234978B1Optical characteristic measuring apparatusTOPCON CORP·Filed 1998·Granted May 22, 2001·56 cites·15 claims
- 3453US6070981AOphthalmologic characteristic measuring apparatusTOPCON CORP·Filed 1998·Granted Jun 6, 2000·66 cites·4 claims
- 3552US7311402B2Eye optical characteristic measuring instrumentTOPCON CORP·Filed 2002·Granted Dec 25, 2007·7 cites·14 claims
- 3650US7249852B2Eye characteristic measuring apparatusTOPCON CORP·Filed 2003·Granted Jul 31, 2007·5 cites·28 claims
- 3750US5929970AOptical characteristic measuring apparatusTOPCON CORP·Filed 1998·Granted Jul 27, 1999·54 cites·10 claims
- 3848US7648240B2Ophthalmic apparatusTOPCON CORP·Filed 2008·Granted Jan 19, 2010·0 cites·4 claims
- 3948US7566131B2Refraction measuring instrumentTOPCON CORP·Filed 2004·Granted Jul 28, 2009·1 cites·3 claims
- 4047US11109754B2Ophthalmic measurement deviceTOPCON CORP·Filed 2018·Granted Sep 7, 2021·0 cites·10 claims
- 4147US7241012B2Ophthalmologic apparatusTOPCON CORP·Filed 2004·Granted Jul 10, 2007·5 cites·24 claims
- 4247US2007153667A1Visual target presenting optical deviceTOPCON CORP·Filed 2006·Application pending·0 cites
- 4347US2008007692A1Apparatus and method for spectrally measuring fundusTOPCON CORP·Filed 2007·Application pending·0 cites
- 4446US4958241AImage input apparatusTOPCON CORP·Filed 1989·Granted Sep 18, 1990·9 cites·21 claims
- 4543US6120444ANoncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air currentTOPCON CORP·Filed 1999·Granted Sep 19, 2000·37 cites·7 claims
- 4642US5847806AOphthalmological apparatus for forming a sectional image signal of measurement objectTOPCON CORP·Filed 1997·Granted Dec 8, 1998·34 cites·11 claims
- 4741US2006082725A1Method and apparatus for measurement and correction of refractive power distribution dataTOPCON CORP·Filed 2003·Application pending·0 cites
- 4840US7219999B2Device for measuring optical characteristic of eyeTOPCON CORP·Filed 2002·Granted May 22, 2007·0 cites·13 claims
- 4940US6860603B2Best corrected visual acuity characteristics measuring device, best corrected visual acuity characteristics measuring method, contrast sensitivity measuring device, contrast sensitivity measuring method, and contrast sensitivity target displaying deviceTOPCON CORP·Filed 2003·Granted Mar 1, 2005·0 cites·23 claims
- 5039US2018085212A1Ocular function assistance deviceKK TOPCON·Filed 2016·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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