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Eindhoven, Netherlands

Siegfried Hendrik Hagen

USPTO Granted Patents = 3

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 15(Granted Patents)

Location History:

Emmasingel, Eindhoven, NL (1976)
Eindhoven, NL (1978 - 1980)

Company Filing History:

3 out of 14,087

U.S. Philips Corporation

Years Active: 1976-1980

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4208449 - Method of making an electric resistor having a resistance body (1980-06-17),

2. 4086559 - Electric resistor based on silicon carbide having a negative temperature (1978-04-25),

3. 3972797 - Electrode for electrochemical machining (1976-08-03),

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