Inventor · disambiguated record
Kazutoshi Takagi
Also filed as: TAKAGI KAZUTOSHI
19 granted patents·1 pending application·380 citations·filing 1983–2008
95Inventor score
Top patents by PatentIndex Score
20 records- 0188US6937390B2Operation microscope apparatusTOPCON CORP·Filed 2004·Granted Aug 30, 2005·28 cites·3 claims
- 0282US4783159AOperation microscopeTOKYO OPTICAL·Filed 1987·Granted Nov 8, 1988·46 cites·5 claims
- 0376US5140458AOptical illuminating and observing apparatusTOPCON CORP·Filed 1988·Granted Aug 18, 1992·45 cites·6 claims
- 0476US5067804AMicroscopeTOPCON CORP·Filed 1990·Granted Nov 26, 1991·43 cites·9 claims
- 0569US4702570AStereo-microscope with two observation optical systems each including a right angle prism and a roof right angle prism providing both rotation and relative separation adjustmentsTOKYO OPTICAL·Filed 1986·Granted Oct 27, 1987·25 cites·1 claims
- 0667US4601550AStereo-microscope with a common objective lens systemTOKYO OPTICAL·Filed 1984·Granted Jul 22, 1986·18 cites·12 claims
- 0757US4855875ALight source device for medical apparatusTOKYO OPTICAL·Filed 1988·Granted Aug 8, 1989·19 cites·8 claims
- 0855US7982949B2Operation microscope having assistant's microscopeTOPCON CORP·Filed 2008·Granted Jul 19, 2011·1 cites·3 claims
- 0954US5543962ABinocular stereoscopic microscopeTOPCON CORP·Filed 1993·Granted Aug 6, 1996·17 cites·7 claims
- 1051US5446582AOperation microscopeTOPCON CORP·Filed 1994·Granted Aug 29, 1995·15 cites·2 claims
- 1151US5015081ABinocular microscopeTOKYO OPTICAL·Filed 1989·Granted May 14, 1991·14 cites·9 claims
- 1249US4632528AMethod for determining refractive index of an objectTOKYO OPTICAL·Filed 1985·Granted Dec 30, 1986·38 cites·4 claims
- 1347US5135299ASurgical operation microscopeTOPCON CORP·Filed 1990·Granted Aug 4, 1992·13 cites·13 claims
- 1442US2004184143A1Operation microscope apparatusTOPCON CORP·Filed 2004·Application pending·0 cites
- 1536US4932774AIlluminating system of ophthalmological instrumentTOKYO OPTICAL·Filed 1988·Granted Jun 12, 1990·14 cites·9 claims
- 1635US5270747AStereomicroscope with first and second illuminating systemsTOPCON CORP·Filed 1992·Granted Dec 14, 1993·16 cites·4 claims
- 1733US4818068ASlit apparatusTOKYO OPTICAL·Filed 1988·Granted Apr 4, 1989·9 cites·1 claims
- 1831US4597650ASpecular microscopeTOKYO OPTICAL·Filed 1983·Granted Jul 1, 1986·5 cites·5 claims
- 1930US4793700AGaze-fixing device for surgical microscopeTOKYO OPTICAL·Filed 1987·Granted Dec 27, 1988·3 cites·5 claims
- 2023US4810083ABinocular indirect ophthalmoscopeNAITSU KK·Filed 1988·Granted Mar 7, 1989·11 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →