HEI (Hybrid Electronics)
Patents in grey text have expired
HIMPP HEI-01: Title: High density stacked circuit module
US 6,014,320
HIMPP HEI-02: Title: High-frequency interconnection for circuits
US,6,469,592
US 6,294,966
US 6,838,953
HIMPP HEI-03: Title: Connection for conducting high frequency signal between a circuit and a discrete electric component
US 6,646,521
HIMPP HEI-04: Title: Hearing aid assembly using folded flex circuits
US 6,674,869