Inventor · disambiguated record
Robertus A. J. Keyser
Also filed as: KEYSER ROBERTUS A J
3 granted patents·173 citations·filing 1996–1998
77Inventor score
Technology areasH01J
Files withPHILIPS ELECTRONICS NA3
Top patents by PatentIndex Score
3 records- 0193US6111359AIntegrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballastPHILIPS ELECTRONICS NA·Filed 1996·Granted Aug 29, 2000·108 cites·42 claims
- 0282US5828185AHigh frequency HID lamp system with lamp driven at a frequency above the audible and below the lowest lamp resonant frequencyPHILIPS ELECTRONICS NA·Filed 1996·Granted Oct 27, 1998·39 cites·23 claims
- 0376US5998939AHigh frequency HID lamp systemPHILIPS ELECTRONICS NA·Filed 1998·Granted Dec 7, 1999·26 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →