HM

Henriette Magna

TH Thomson-Csf: 5 patents #171 of 2,054Top 9%
TB Thomson Brandt: 1 patents #17 of 54Top 35%
Overall (All Time): #670,406 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5168485 Device for optically reading optical recording medium Jean-Claude Lehureau, Bruno Mourey 1992-12-01
5013394 Method for detection of end of grinding of a thin layer magnetic head Jean-Luc Rolland, Jean-Yves Beguin, Alain Jacobelli, Maurice Penot 1991-05-07
4939835 Method for achieving the planar surface of an active face for a magnetic recording/reading head Jean-Marc Coutellier, Alain Jacobelli, Paul-Louis Meunier 1990-07-10
4586165 Thermo-optic information writing process and information support for implementing this process Jean Cornet, Jean-Claude Lehureau 1986-04-29
4405994 Thermo-optic information writing process and information support for implementing this process Jean Cornet, Jean-Claude Lehureau 1983-09-20
4405862 Thermosensitive data-carrier designed for the recording of information and a method of recording information on such a data-carrier Claude Bricot, Jean-Claude Dubois, Francois LeCarvennec, Jean-Claude Lehureau 1983-09-20
4380016 Protected optical disc Jean-Claude Lehureau, Michel Thirouard 1983-04-12
4308545 Protected optical disc Jean-Claude Lehureau, Michel Thirouard 1981-12-29