Inventor · disambiguated record
Petrus Arthur Marie Van Der Heide
Also filed as: VAN DER HEIDE PETRUS A M · VAN DER HEIDE PETRUS ARTHUR MA
3 granted patents·8 citations·filing 1992–2001
60Inventor score
Technology areasH01J
Top patents by PatentIndex Score
3 records- 0148US6833659B2Cathode ray tube comprising a cathode of a composite materialKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Dec 21, 2004·3 cites·3 claims
- 0238US7019450B2Cathode ray tube with a particle-particle cathode coatingKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Mar 28, 2006·1 cites·18 claims
- 0337US5243197ASemiconductor device for generating an electron currentPHILIPS CORP·Filed 1992·Granted Sep 7, 1993·4 cites·10 claims
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