Inventor · disambiguated record
Helmuth R. Litfin
Also filed as: LITFIN HELMUTH R · LITFIN HELMUTH ROBERT
5 granted patents·499 citations·filing 1993–1999
87Inventor score
Top patents by PatentIndex Score
5 records- 0192US5447876AMethod of making a diamond shaped gate mesh for cellular MOS transistor arrayMICREL INC·Filed 1994·Granted Sep 5, 1995·137 cites·10 claims
- 0290US5355008ADiamond shaped gate mesh for cellular MOS transistor arrayMICREL INC·Filed 1993·Granted Oct 11, 1994·115 cites·19 claims
- 0389US5517046AHigh voltage lateral DMOS device with enhanced drift regionMICREL INC·Filed 1995·Granted May 14, 1996·126 cites·20 claims
- 0488US6307490B1Digital to analog converter trim apparatus and methodENGINEERING CONSORTIUM INC·Filed 1999·Granted Oct 23, 2001·83 cites·28 claims
- 0579US5439764AMask having multiple patternsMICREL INC·Filed 1993·Granted Aug 8, 1995·38 cites·22 claims
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