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Hamburg, Germany

Horst Seifert

USPTO Granted Patents = 8

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 49(Granted Patents)

Location History:

Hamburg, DE (1977 - 1995)
Schneverdingen-Insel, DE (1998)

Company Filing History:

8 out of 14,087

U.S. Philips Corporation

Years Active: 1977-1998

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5726533 - Cathode ray tube having an input resonator cavity (1998-03-10),

2. 5418425 - Multistage collector for electron-beam tubes having collector electrodes (1995-05-23),

3. 4250429 - Electron tube cathode (1981-02-10),

4. 4178530 - Electron tube with pyrolytic graphite heating element (1979-12-11),

5. 4137477 - Electrodes, for example grid-like electrodes for use in electron tubes, (1979-01-30),

6. 4120080 - Method of manufacturing grid electrodes for electron tubes (1978-10-17),

7. 4034031 - Method of manufacturing grid electrodes for electron tubes (1977-07-05),

8. 4031425 - Dispenser cathode for a grid-controlled electron tube and method of (1977-06-21),

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