Inventor · disambiguated record
Philip M. Frieder
Also filed as: FRIEDER PHILIP M
8 granted patents·420 citations·filing 1978–1989
90Inventor score
Technology areasG02C
Top patents by PatentIndex Score
8 records- 0188US4645317AEyeglass lens modules and methodOPTICAL SYSTEMS INTERNATIONAL·Filed 1983·Granted Feb 24, 1987·78 cites·9 claims
- 0285US4952048AMethod of designing a non-progressive multifocal ophthalmic lensOPTICORP INC·Filed 1989·Granted Aug 28, 1990·83 cites·6 claims
- 0384US4869588ANon-progressive multifocal ophthamic lensesOPTICORP INC·Filed 1988·Granted Sep 26, 1989·75 cites·12 claims
- 0483US4577942ALaminated high correction eyeglass lensOPTICAL SYSTEMS INTERNATIONAL·Filed 1983·Granted Mar 25, 1986·54 cites·10 claims
- 0580US4185897AProsthetic aspheric spectacle lens for aphakiaFRIEDER PHILIP M·Filed 1978·Granted Jan 29, 1980·28 cites·16 claims
- 0678US4867553AFinished composite eyeglass lensFRIEDER PHILIP M·Filed 1987·Granted Sep 19, 1989·55 cites·7 claims
- 0770US4846913AMethod for making bifocal lensOPTICAL SYSTEMS INTERNATIONAL·Filed 1985·Granted Jul 11, 1989·46 cites·13 claims
- 0825US4573776ABiconvex aphakic prosthetic lensOPTICAL SYSTEMS INTERNATIONAL·Filed 1983·Granted Mar 4, 1986·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →