Inventor · disambiguated record
Bram J. Derksema
Also filed as: DERKSEMA BRAM JOHAN · KEIJSER ROBERTUS A J · VERHOEVEN JOHANNES A T
4 granted patents·8 citations·filing 1975–1978
67Inventor score
Technology areasH01S
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0133US3986141AGas discharge laserPHILIPS CORP·Filed 1975·Granted Oct 12, 1976·3 cites·4 claims
- 0231US4213100AGas discharge laserPHILIPS CORP·Filed 1978·Granted Jul 15, 1980·2 cites·7 claims
- 0330US4152673AGas discharge laserPHILIPS CORP·Filed 1978·Granted May 1, 1979·1 cites·3 claims
- 0426US4052681AGas-discharge laserPHILIPS CORP·Filed 1975·Granted Oct 4, 1977·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →