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Inventor

Barry B. Hagglund

Inventor
Nepean, CA

Overview

7→
Patents
1991–2003
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
H04JMultiplex communication20%
H04NPictorial communication, e.g. television20%
H04QSelecting20%
PatentTitleYear
6,584,101'Communication method for packet switching systems'20036,088,369'Line coding technique for efficient transmission and delineation of encapsulated frames over high speed data links'20005,949,755'ATM emulated path protection'19995,272,696'ATM plane merging filter for ATM switches and the method thereof'19935,029,333'Communications system'19915,021,880'Digital video signal compression'19914,994,909'Video signal distribution system'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to NORTHERN TELECOM LTD (4)· patent assignee history
1991Based in Nepean, CA· patent location history
1993Based in Kanata, CA· patent location history
1999Patents assigned to FUJITSU NETWORK COMMUNICATIONS (1)· patent assignee history
1999Based in Plano, TX, US· patent location history
2000–2003Patents assigned to PMC SIERRA LTD (2)· patent assignee history
2000–2003Based in Port Coquitlam, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHERN TELECOM LTD41991–1993
PMC SIERRA LTD22000–2003
FUJITSU NETWORK COMMUNICATIONS11999
Locations
LocationPatentsSpan
Nepean, CA31991
Port Coquitlam, CA22000–2003
Plano, Texas, US11999
Kanata, CA11993