Inventor
MATERO JORMA
FI21 patents
⚠️ This page may combine multiple inventors who share the name “MATERO JORMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOKIA MOBILE PHONES LTD
13 patentsUS6215988B1Apr 10, 2001
Dual band architectures for mobile stations
NOKIA MOBILE PHONES LTD156 citations99
US5432473AJul 11, 1995
Dual mode amplifier with bias control
NOKIA MOBILE PHONES LTD256 citations97
US6125266ASep 26, 2000
Dual band architectures for mobile stations having transmitter linearization feedback
NOKIA MOBILE PHONES LTD285 citations96
US6115585ASep 5, 2000
Antenna switching circuits for radio telephones
NOKIA MOBILE PHONES LTD152 citations96
US5974305AOct 26, 1999
Dual band architectures for mobile stations
NOKIA MOBILE PHONES LTD49 citations96
US5768691AJun 16, 1998
Antenna switching circuits for radio telephones
NOKIA MOBILE PHONES LTD115 citations95
US5787362AJul 28, 1998
AM removal from FM signal generated by IQ modulator
NOKIA MOBILE PHONES LTD26 citations92
US5752172AMay 12, 1998
Distributed transmitter output power control circuit and method for a radio telephone
NOKIA MOBILE PHONES LTD48 citations92
US5392460AFeb 21, 1995
Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
NOKIA MOBILE PHONES LTD46 citations92
US5551067AAug 27, 1996
Amplifier control system
NOKIA MOBILE PHONES LTD38 citations91
US5371481ADec 6, 1994
Tuning techniques for I/Q channel signals in microwave digital transmission systems
NOKIA MOBILE PHONES LTD78 citations91
US5898406AApr 27, 1999
Antenna mounted diplexer
NOKIA MOBILE PHONES LTD16 citations74
US5357221AOct 18, 1994
Regulation of modulator I and Q signal phasing
NOKIA MOBILE PHONES LTD16 citations74
NOKIA CORP
7 patentsUS7236542B2Jun 26, 2007
Multi-mode envelope restoration architecture for RF transmitters
NOKIA CORP64 citations98
US7551688B2Jun 23, 2009
Waveforms for envelope tracking transmitter
NOKIA CORP67 citations92
US7522676B2Apr 21, 2009
Method and system for transmitter envelope delay calibration
NOKIA CORP25 citations92
US7519336B2Apr 14, 2009
Method and arrangement for optimizing efficiency of a power amplifier
NOKIA CORP30 citations92
US7123664B2Oct 17, 2006
Multi-mode envelope restoration architecture for RF transmitters
NOKIA CORP34 citations92
US7742748B2Jun 22, 2010
Signal predistortion in radio transmitter
NOKIA CORP18 citations86
US7522011B2Apr 21, 2009
High pass modulation of a phase locked loop
NOKIA CORP16 citations82