Inventor

PUURUNEN PERTTI

FI5 patents

⚠️ This page may combine multiple inventors who share the name “PUURUNEN PERTTI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FILTRONIC LK OY

2 patents

US6340954B1Jan 22, 2002

Dual-frequency helix antenna

FILTRONIC LK OY56 citations94

US6326925B1Dec 4, 2001

Antenna of a radio device and a method to manufacture it and a radio device

FILTRONIC LK OY15 citations80

LK PRODUCTS OY

2 patents

US5418508AMay 23, 1995

Helix resonator filter

LK PRODUCTS OY44 citations90

US5604471AFeb 18, 1997

Resonator device including U-shaped coupling support element

LK PRODUCTS OY50 citations85

LK PRODUCTS

1 patent

US5157363AOct 20, 1992

Helical resonator filter with adjustable couplings

LK PRODUCTS57 citations88