Inventor
KARPPANEN ARTO
FI16 patents
⚠️ This page may combine multiple inventors who share the name “KARPPANEN ARTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOKIA MOBILE PHONES LTD
5 patentsUS5729541AMar 17, 1998
System for transmitting packet data in radio telephone TDMA systems
NOKIA MOBILE PHONES LTD228 citations97
US5987137ANov 16, 1999
Method for the encryption of data transfer
NOKIA MOBILE PHONES LTD74 citations95
US6408063B1Jun 18, 2002
Method and arrangement for complementing a telephone connection with additional information
NOKIA MOBILE PHONES LTD47 citations90
US5663954ASep 2, 1997
Frame timing control of time division multiple access
NOKIA MOBILE PHONES LTD34 citations89
US6947420B1Sep 20, 2005
Applications of user-to-user information transfer between telecommunication devices
NOKIA MOBILE PHONES LTD0 citations50
NOKIA TELECOMMUNICATIONS OY
3 patentsUS5978386ANov 2, 1999
Packet radio system, and a terminal equipment for a packet radio system
NOKIA TELECOMMUNICATIONS OY168 citations98
US5619552AApr 8, 1997
Arrangement and method for location registration
NOKIA TELECOMMUNICATIONS OY138 citations97
US6118775ASep 12, 2000
Security of packet-mode transmission in a mobile communication system
NOKIA TELECOMMUNICATIONS OY32 citations92
NOKIA CORP
3 patentsUS7099339B1Aug 29, 2006
Apparatus, and associated method, for integrating operation of packet radio communication systems
NOKIA CORP56 citations94
US6940869B1Sep 6, 2005
Apparatus, and associated method, for integrating operation of packet radio communication systems
NOKIA CORP30 citations91
US7936760B2May 3, 2011
Method, communications network arrangement, communications network server, terminal, and software means for selecting and changing operating modes for packet-switched voice connection
NOKIA CORP0 citations39