Inventor

Paul Townsend

Inventor

County Cork, IE

Overview

10→

Patents

1987–2015

Patent span

Electricity

Primary field (CPC H)

Patents· 10 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 communication57%

H04BTransmission21%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%

H03GControl of amplification7%

PatentTitleYear

9,059,807'Linear burst mode receiver'2015 8,509,627'Reflective optical transmitter'2013 8,483,391'Optical communication system and method for secure data communication using quantum key distribution'2013 7,471,793'Method and apparatus for use in encrypted communication'2008 6,529,601'Method and apparatus for polarization-insensitive quantum cryptography'2003 5,953,421'Quantum cryptography'1999 5,850,441'System and method for key distribution using quantum cryptography'1998 5,768,378'Key distribution in a multiple access network using quantum cryptography'1998 5,675,648'System and method for key distribution using quantum cryptography'1997 4,716,408'Data transmission system of the star type with enablement passing'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to INT COMPUTERS LTD (1)· patent assignee history

1997–2003Patents assigned to BRITISH TELECOMM (5)· patent assignee history

1998–2003Based in Ipswich, GB· patent location history

1998–1999Based in Suffolk, GB· patent location history

2008Patents assigned to CORNING INC (1)· patent assignee history

2008–2013Based in County Cork, IE· patent location history

2013–2015Patents assigned to TOWNSEND PAUL (3)· patent assignee history

2013Patents assigned to UNIV COLLEGE CORK NAT UNIV IE (2)· patent assignee history

2013Based in Classes Lake, IE· patent location history

2015Based in Ovens, IE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRITISH TELECOMM	5	1997–2003
TOWNSEND PAULself	3	2013–2015
UNIV COLLEGE CORK NAT UNIV IE	2	2013
CORNING INC	1	2008
INT COMPUTERS LTD	1	1987

Locations

Location	Patents	Span
County Cork, IE	2	2008–2013
Ipswich, GB	2	1998–2003
Suffolk, GB	2	1998–1999
Ovens, IE	1	2015
Classes Lake, IE	1	2013