Inventor · disambiguated record
Ikuo Kitao
Also filed as: KITAO IKUO
14 granted patents·185 citations·filing 1978–1998
93Inventor score
Top patents by PatentIndex Score
14 records- 0167US5895314ALens shape measuring apparatusTOPCON CORP·Filed 1998·Granted Apr 20, 1999·23 cites·6 claims
- 0253US6019669ALens shape measuring apparatusTOPCON CORP·Filed 1998·Granted Feb 1, 2000·13 cites·5 claims
- 0350US4859051AEye testing apparatusTOKYO OPTICAL·Filed 1987·Granted Aug 22, 1989·35 cites·17 claims
- 0442US4591247AEye refractometerTOKYO OPTICAL·Filed 1982·Granted May 27, 1986·18 cites·6 claims
- 0541US5071245AOcular refracting power measuring systemTOPCON CORP·Filed 1989·Granted Dec 10, 1991·26 cites·26 claims
- 0640US4293199AApparatus for detecting astigmatic axes and measuring refractive powersTOKYO OPTICAL·Filed 1978·Granted Oct 6, 1981·14 cites·4 claims
- 0739US4306778AEye refractmeters using infrared raysTOKYO OPTICAL·Filed 1979·Granted Dec 22, 1981·12 cites·4 claims
- 0836US4917480AEye refractive power measuring apparatusTOPCON CORP·Filed 1988·Granted Apr 17, 1990·13 cites·5 claims
- 0934US5984763ALens shape measuring apparatusTOPCON CORP·Filed 1998·Granted Nov 16, 1999·4 cites·1 claims
- 1033US4408847ARefractory power measuring deviceTOKYO OPTICAL·Filed 1980·Granted Oct 11, 1983·4 cites·5 claims
- 1133US4367019AImage rotating means for eye refractometersTOKYO OPTICAL·Filed 1980·Granted Jan 4, 1983·11 cites·3 claims
- 1231US4277150AEye refractmeterTOKYO OPTICAL·Filed 1978·Granted Jul 7, 1981·6 cites·13 claims
- 1329US5210555AOcular refracting power measuring systemTOPCON CORP·Filed 1991·Granted May 11, 1993·4 cites·8 claims
- 1429US4848895AAutomatic eye refractive power measuring apparatusTOKYO OPTICAL·Filed 1986·Granted Jul 18, 1989·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →