Inventor

Henri Desmur

Inventor

Fontenay aux Roses, FR

Overview

5→

Patents

1991–1996

Patent span

Electricity

Primary field (CPC H)

Patents· 5 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps71%

H03KPulse technique14%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation14%

PatentTitleYear

5,494,470'Method for the manufacture of a helix-coupled vane line, line obtained by the method and electron tube including such a line'1996 5,334,907'Cooling device for microwave tube having heat transfer through contacting surfaces'1994 5,313,138'Electron gun modulated by optoelectronic switching'1994 5,045,749'Electron beam generator and electronic devices using such a generator'1991 5,021,708'Cathode for emission of electrons and electron tube with a cathode of this type'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Patents assigned to THOMSON TUBES ELECTRONIQUES (4)· patent assignee history

1991Patents assigned to THOMSON CSF (1)· patent assignee history

1991Based in Sevres, FR· patent location history

1994–1996Based in Fontenay aux Roses, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
THOMSON TUBES ELECTRONIQUES	4	1991–1996
THOMSON CSF	1	1991

Locations

Location	Patents	Span
Fontenay aux Roses, FR	3	1994–1996
Sevres, FR	2	1991