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Crawley Down, United Kingdom

John Ernest Ralph

USPTO Granted Patents = 3

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 66(Granted Patents)

Location History:

Crawley Down, EN (1976)
Salfords, near Redhill, EN (1976)
Crawley Down, GB (1978)

Company Filing History:

3 out of 14,087

U.S. Philips Corporation

Years Active: 1976-1978

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4107724 - Surface controlled field effect solid state device (1978-08-15),

2. 3947707 - JFET optical sensor with capacitively charged buried floating gate (1976-03-30),

3. 3931633 - Electron tube including a photocathode (1976-01-06),

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