Inventor · disambiguated record
Harry Howden
Also filed as: HOWDEN HARRY
8 granted patents·130 citations·filing 1975–1986
88Inventor score
Files withPHILIPS CORP8
Top patents by PatentIndex Score
8 records- 0175US4319945AMethod of producing aspherical optical elementsPHILIPS CORP·Filed 1979·Granted Mar 16, 1982·23 cites·9 claims
- 0271US4484798AMethod of manufacturing a multiple mirror reflector for a land based telescopePHILIPS CORP·Filed 1982·Granted Nov 27, 1984·26 cites·7 claims
- 0364US4615847AMethod and apparatus for producing a lens having an accurately centered aspherical surfacePHILIPS CORP·Filed 1985·Granted Oct 7, 1986·25 cites·6 claims
- 0463US3980399AAspheric optical elementsPHILIPS CORP·Filed 1975·Granted Sep 14, 1976·18 cites·1 claims
- 0559US4073574AOptical projectorPHILIPS CORP·Filed 1976·Granted Feb 14, 1978·15 cites·7 claims
- 0652US4367014APolygonal rotary scannersPHILIPS CORP·Filed 1980·Granted Jan 4, 1983·14 cites·6 claims
- 0743US4665336AMeans for cooling the faceplate of a cathode ray tube in a television projection systemPHILIPS CORP·Filed 1986·Granted May 12, 1987·5 cites·4 claims
- 0835US4327606AMethod of making a master replicating toolPHILIPS CORP·Filed 1979·Granted May 4, 1982·4 cites·6 claims
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