Inventor · disambiguated record
Nobuaki Kitajima
Also filed as: KITAJIMA NOBUAKI
29 granted patents·4 pending applications·660 citations·filing 1985–2012
97Inventor score
Top patents by PatentIndex Score
33 records- 0191US6943942B2Microscope for operationTOPCON CORP·Filed 2002·Granted Sep 13, 2005·49 cites·9 claims
- 0287US7408705B2Microscope for operationTOPCON CORP·Filed 2006·Granted Aug 5, 2008·16 cites·3 claims
- 0386US5835266AMedical microscopic systemTOPCON CORP·Filed 1997·Granted Nov 10, 1998·76 cites·13 claims
- 0483US6236502B1Operation microscope including a branch observation optical system displayTOPCON CORP·Filed 2000·Granted May 22, 2001·27 cites·7 claims
- 0582US4783159AOperation microscopeTOKYO OPTICAL·Filed 1987·Granted Nov 8, 1988·46 cites·5 claims
- 0680US5132837AOperation microscopeTOPCON CORP·Filed 1990·Granted Jul 21, 1992·51 cites·2 claims
- 0777US7085046B2Microscope for operationTOPCON CORP·Filed 2005·Granted Aug 1, 2006·7 cites·3 claims
- 0876US5067804AMicroscopeTOPCON CORP·Filed 1990·Granted Nov 26, 1991·43 cites·9 claims
- 0971US7072104B2Operation microscopeTOPCON CORP·Filed 2003·Granted Jul 4, 2006·15 cites·12 claims
- 1071US4657357AIllumination system for single objective lens binocular microscopeTOKYO OPTICAL·Filed 1985·Granted Apr 14, 1987·29 cites·19 claims
- 1169US5865829AMedical optical apparatusTOPCON CORP·Filed 1995·Granted Feb 2, 1999·116 cites·7 claims
- 1266US7443579B2Ophthalmic microscopeTOPCON CORP·Filed 2006·Granted Oct 28, 2008·4 cites·25 claims
- 1360US8205988B2StereomicroscopeFUJII KOUTA·Filed 2009·Granted Jun 26, 2012·5 cites·20 claims
- 1458US7232222B2Operation microscopeTOPCON CORP·Filed 2004·Granted Jun 19, 2007·21 cites·13 claims
- 1554US5543962ABinocular stereoscopic microscopeTOPCON CORP·Filed 1993·Granted Aug 6, 1996·17 cites·7 claims
- 1651US7081993B2Ophthalmologic operation microscopeTOPCON CORP·Filed 2005·Granted Jul 25, 2006·0 cites·4 claims
- 1751US5446582AOperation microscopeTOPCON CORP·Filed 1994·Granted Aug 29, 1995·15 cites·2 claims
- 1851US5015081ABinocular microscopeTOKYO OPTICAL·Filed 1989·Granted May 14, 1991·14 cites·9 claims
- 1948US7023613B2Operation microscope and observation prismTOPCON CORP·Filed 2004·Granted Apr 4, 2006·1 cites·5 claims
- 2048US4652094ABinocular microscope including a detachable optical deflecting unitTOKYO OPTICAL·Filed 1985·Granted Mar 24, 1987·12 cites·6 claims
- 2147US7393103B2Operation microscope apparatusTOPCON CORP·Filed 2006·Granted Jul 1, 2008·0 cites·44 claims
- 2247US5135299ASurgical operation microscopeTOPCON CORP·Filed 1990·Granted Aug 4, 1992·13 cites·13 claims
- 2345US7027220B2Ophthalmologic operation microscopeTOPCON CORP·Filed 2004·Granted Apr 11, 2006·0 cites·6 claims
- 2444US2013038835A1Microscope for ophthalmologic surgeryTOPCON CORP·Filed 2012·Application pending·0 cites
- 2544US2013027660A1Microscope for ophthalmologic surgeryTOPCON CORP·Filed 2012·Application pending·0 cites
- 2642US2013050645A1Microscope for ophthalmologic surgerySATO TOSHIAKI·Filed 2012·Application pending·0 cites
- 2742US2013027661A1Microscope for ophthalmologic surgeryTOPCON CORP·Filed 2012·Application pending·0 cites
- 2838US6072623ASlit lamp microscopeTOPCON CORP·Filed 1998·Granted Jun 6, 2000·28 cites·3 claims
- 2936US4932774AIlluminating system of ophthalmological instrumentTOKYO OPTICAL·Filed 1988·Granted Jun 12, 1990·14 cites·9 claims
- 3035US5300965ACorneal shape measuring apparatusTOPCON CORP·Filed 1992·Granted Apr 5, 1994·16 cites·9 claims
- 3135US5270747AStereomicroscope with first and second illuminating systemsTOPCON CORP·Filed 1992·Granted Dec 14, 1993·16 cites·4 claims
- 3230US5249004AMicroscope for an operationTOPCON CORP·Filed 1992·Granted Sep 28, 1993·6 cites·8 claims
- 3330US4793700AGaze-fixing device for surgical microscopeTOKYO OPTICAL·Filed 1987·Granted Dec 27, 1988·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →