Inventor
Hendrik J. De Wit
Inventor
Eindhoven, NL
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps25%
H01FMagnets15%
H04NPictorial communication, e.g. television15%
C04BLime, magnesia10%
G11BInformation storage based on relative movement between record carrier and transducer10%
B82YSpecific uses or applications of nanostructures5%
G06FElectric digital data processing5%
H01GCapacitors5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
5,932,819'Deflection ring of sintered MgZn-ferrite material, cathode ray tube comprising such a ring and moulding made from this material'19995,912,529'Display device comprising a display tube having an external shield against the earth\'s magnetic field'19995,841,225'Deflection ring of sintered MgZn-ferrite material, cathode ray tube comprising such a ring and moulding made from this material'19985,644,191'Color display tube having an external magnetic shield'19975,559,401'Color display device comprising a color display tube and a delaying demagnetizing device'19965,434,470'Colour display tube having an internal magnetic shield'19955,234,775'Soft magnetic multilayer film and magnetic head provided with such a soft magnetic multilayer film'19934,685,012'Magnetic head with anisotropy in plane of core ports'19874,497,699'Method of treating foil for electrolytic capacitors'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1999Patents assigned to PHILIPS CORP (9)· patent assignee history
1985–1999Based in Eindhoven, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 9 | 1985–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eindhoven, NL | 9 | 1985–1999 |