Inventor · disambiguated record
Jan Hasker
Also filed as: HASKER JAN
16 granted patents·117 citations·filing 1975–1995
92Inventor score
Top patents by PatentIndex Score
16 records- 0185US4594220AMethod of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the methodPHILIPS CORP·Filed 1984·Granted Jun 10, 1986·28 cites·12 claims
- 0275US5006753AScandate cathode exhibiting scandium segregationPHILIPS CORP·Filed 1988·Granted Apr 9, 1991·24 cites·17 claims
- 0363US5407633AMethod of manufacturing a dispenser cathodePHILIPS CORP·Filed 1994·Granted Apr 18, 1995·18 cites·7 claims
- 0450US5064397AMethod of manufacturing scandate cathode with scandium oxide filmPHILIPS CORP·Filed 1990·Granted Nov 12, 1991·11 cites·15 claims
- 0544US4904897AOxide cathodePHILIPS CORP·Filed 1984·Granted Feb 27, 1990·4 cites·4 claims
- 0643US5936334AImpregnated cathode with composite top coatPHILIPS CORP·Filed 1994·Granted Aug 10, 1999·6 cites·9 claims
- 0741US4873052AMethod of manufacturing a scandate dispenser cathode and scandate dispenser cathode manufactured according to the methodU S PHILIPS CORPORATON·Filed 1986·Granted Oct 10, 1989·6 cites·4 claims
- 0841US4101185AMethod for producing a low-pressure gas discharge lampPHILIPS CORP·Filed 1977·Granted Jul 18, 1978·4 cites·14 claims
- 0940US4471260AOxide cathodePHILIPS CORP·Filed 1982·Granted Sep 11, 1984·4 cites·4 claims
- 1037US5261845AScandate cathodePHILIPS CORP·Filed 1991·Granted Nov 16, 1993·4 cites·12 claims
- 1134US4221988ALow pressure gas discharge lamp having fibers evenly distributed between the electrodesPHILIPS CORP·Filed 1978·Granted Sep 9, 1980·2 cites·8 claims
- 1234US4163169ALow-pressure gas discharge lampPHILIPS CORP·Filed 1975·Granted Jul 31, 1979·2 cites·16 claims
- 1333US4143447AMethod of making a low-pressure gas discharge lampPHILIPS CORP·Filed 1978·Granted Mar 13, 1979·2 cites·8 claims
- 1430US4179777AMethod of producing a low-pressure gas discharge lampPHILIPS CORP·Filed 1977·Granted Dec 25, 1979·1 cites·7 claims
- 1528US5518520ADispenser cathode and method of manufacturing a dispenser cathodePHILIPS CORP·Filed 1995·Granted May 21, 1996·0 cites·15 claims
- 1627US4277713ALow-pressure gas discharge lamp and method for makingPHILIPS CORP·Filed 1979·Granted Jul 7, 1981·1 cites·2 claims
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