Inventor · disambiguated record
Berthold Birk
Also filed as: BIRK BERTHOLD
2 granted patents·37 citations·filing 1998–1998
59Inventor score
Files withMANNESMANN VDO AG2
Top patents by PatentIndex Score
2 records- 0167US6351080B1Circuitry for dimming a fluorescent lampMANNESMANN VDO AG·Filed 1998·Granted Feb 26, 2002·35 cites·24 claims
- 0223US6313585B1Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said methodMANNESMANN VDO AG·Filed 1998·Granted Nov 6, 2001·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →