Inventor

Tristan Halna Du Fretay

Inventor
Rennes, FR

Overview

2→
Patents
2010–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television50%
H04JMultiplex communication25%
H04LTransmission of digital information, e.g. telegraphic communication25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to CANON EUROPA NV (1)· patent assignee history
2010–2012Based in Rennes, FR· patent location history
2012Patents assigned to CANON KK (1)· patent assignee history
2012Patents assigned to DU FRETAY TRISTAN HALNA (1)· patent assignee history
2012Patents assigned to EL KOLLI YACINE (1)· patent assignee history
2012Patents assigned to ROUSSEAU PASCAL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON EUROPA NV12010
CANON KK12012
DU FRETAY TRISTAN HALNAself12012
EL KOLLI YACINE12012
ROUSSEAU PASCAL12012
Locations
LocationPatentsSpan
Rennes, FR22010–2012