Inventor
Esko Hellman
Inventor
Espoo, FI
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Qprimary
H04QSelecting50%
H04LTransmission of digital information, e.g. telegraphic communication33%
H04JMultiplex communication17%
PatentTitleYear
7,596,316'Method of sending packet-formed information optically using different wave-lengths for address and useful information'20096,765,862'Telecommunication switch, and switching telecommunication signals'20046,064,648'Method for notifying a frame relay network of traffic congestion in an ATM network'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to NOKIA TELECOMMUNICATIONS OY (1)· patent assignee history
2000–2009Based in Espoo, FI· patent location history
2004Patents assigned to NOKIA CORP (1)· patent assignee history
2009Patents assigned to HELLMAN ESKO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HELLMAN ESKOself | 1 | 2009 |
| NOKIA CORP | 1 | 2004 |
| NOKIA TELECOMMUNICATIONS OY | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Espoo, FI | 3 | 2000–2009 |