Inventor · disambiguated record
Yukio Ikezawa
Also filed as: IKEZAWA YUKIO
24 granted patents·1 pending application·335 citations·filing 1984–2017
96Inventor score
Top patents by PatentIndex Score
25 records- 0192US5973772ALayout judgment apparatus and layout judgment systemTOPCON CORP·Filed 1997·Granted Oct 26, 1999·66 cites·17 claims
- 0288US5971537ALens specifying apparatusTOPCON CORP·Filed 1998·Granted Oct 26, 1999·55 cites·16 claims
- 0387US9888847B2Ophthalmic examination systemTOPCON CORP·Filed 2016·Granted Feb 13, 2018·10 cites·13 claims
- 0483US10144081B2Arc welding control system and methodKAWASAKI HEAVY IND LTD·Filed 2015·Granted Dec 4, 2018·2 cites·4 claims
- 0573US6061123ALens meterTOPCON CORP·Filed 1997·Granted May 9, 2000·32 cites·4 claims
- 0670US10166621B2Welding device and welding systemKAWASAKI HEAVY IND LTD·Filed 2014·Granted Jan 1, 2019·2 cites·7 claims
- 0770US7458686B2Optometry apparatusTOPCON CORP·Filed 2005·Granted Dec 2, 2008·7 cites·28 claims
- 0865US4730924ALens meter and method of measurement of progressive multifocal lens using the sameTOKYO OPTICAL·Filed 1986·Granted Mar 15, 1988·28 cites·14 claims
- 0964US5867259AHidden-mark observing apparatus and hidden-mark observable lens-meterTOPCON CORP·Filed 1997·Granted Feb 2, 1999·23 cites·14 claims
- 1062US5414505ALens meter for testing progressive lensTOPCON CORP·Filed 1993·Granted May 9, 1995·22 cites·10 claims
- 1161US5910836ALens meterTOPCON CORP·Filed 1997·Granted Jun 8, 1999·19 cites·8 claims
- 1259US9468987B2Arc welding control system and methodAOKI ATSUHITO·Filed 2011·Granted Oct 18, 2016·1 cites·4 claims
- 1354US6236453B1Lens meterTOPCON CORP·Filed 1999·Granted May 22, 2001·15 cites·9 claims
- 1452US11292073B2Welding torch and all-position welding deviceKAWASAKI HEAVY IND LTD·Filed 2017·Granted Apr 5, 2022·0 cites·9 claims
- 1552US6555608B2White standard paintTOPCON CORP·Filed 2001·Granted Apr 29, 2003·1 cites·4 claims
- 1652US4571842ALens judging apparatus of lens meterTOKYO OPTICAL·Filed 1984·Granted Feb 25, 1986·12 cites·4 claims
- 1749US11292070B2Welding torch and all-position welding deviceKAWASAKI HEAVY IND LTD·Filed 2017·Granted Apr 5, 2022·0 cites·7 claims
- 1845US2006164599A1Visual acuity chart displaying apparatus and optometry apparatusTOPCON CORP·Filed 2006·Application pending·0 cites
- 1943US5917586ALens meter for measuring the optical characteristics of a lensTOPCON CORP·Filed 1997·Granted Jun 29, 1999·11 cites·5 claims
- 2042US6359684B2Lens specifying deviceTOPCON CORP·Filed 1999·Granted Mar 19, 2002·10 cites·11 claims
- 2141US11026572B2Ophthalmic examination system and ophthalmic examination management serverTOPCON CORP·Filed 2017·Granted Jun 8, 2021·0 cites·12 claims
- 2241US5896194ALens meterTOPCON CORP·Filed 1997·Granted Apr 20, 1999·10 cites·10 claims
- 2339US7341349B2Ophthalmologic apparatus and ophthalmologic chartTOPCON CORP·Filed 2002·Granted Mar 11, 2008·0 cites·10 claims
- 2439US5708501ALens bearer and lensometer incorporating the sameTOPCON CORP·Filed 1996·Granted Jan 13, 1998·7 cites·5 claims
- 2531US6145989ALens 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 →