Inventor
Tuomo Sipila
Inventor
Helsinki, FI
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks56%
H04LTransmission of digital information, e.g. telegraphic communication33%
H04BTransmission11%
PatentTitleYear
7,443,839'User identification module for access to multiple communication networks'20086,556,586'Messaging system'20036,356,766'Compressed data service in DECT/GSM interworking'20026,327,268'High speed data services for DECT/GSM interworking'20016,278,880'DECT/GSM external handover'20016,163,546'Method and system for data transmission'20006,134,439'DECT/GSM external handover'20006,128,505'Compressed data service in DECT/GSM interworking'20006,122,498'Data transmission method'20006,081,534'Implementation of mutual rate adaptations in data services between GSM and DECT'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2003Patents assigned to NOKIA MOBILE PHONES LTD (9)· patent assignee history
2000–2003Based in Helsinki, FI· patent location history
2000Based in Espoo, FI· patent location history
2008Patents assigned to NOKIA CORP (1)· patent assignee history
2008Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOKIA MOBILE PHONES LTD | 9 | 2000–2003 |
| NOKIA CORP | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Helsinki, FI | 8 | 2000–2003 |
| Sunnyvale, California, US | 1 | 2008 |
| Espoo, FI | 1 | 2000 |