Inventor
Paul N. Ludwig
Inventor
Livermore, CA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps59%
F01PCooling of machines or engines in general6%
F04DNon-positive-displacement pumps6%
B23KSoldering or unsoldering3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
H05BElectric heating3%
H10KOrganic electric solid-state devices3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
11,125,244Coolant pump with application-optimised design202111,092,159Coolant pump having a use-optimised structure and improved thermal efficiency2021D0637637'Tunable Laser Assembly'20117,473,152'Sealing of flat-panel device'20096,788,724'Hermetically sealed external cavity laser system and method'20046,722,937'Sealing of flat-panel device'20046,565,400'Frit protection in sealing process for flat panel displays'20036,555,025'Tuned sealing material for sealing of a flat panel display'20036,416,375'Sealing of plate structures'20026,356,013'Wall assembly and method for attaching walls for flat panel display'20026,323,590'Wall assembly and method for attaching walls for flat panel display'20016,225,737'Wall assembly and method for attaching walls for flat panel display'20016,187,603'Fabrication of gated electron-emitting devices utilizing distributed particles to define gate openings, typically in combination with lift-off of excess emitter material'20016,176,753'Wall assembly and method for attaching walls for flat panel display'20016,140,762'Wall assembly and method for attaching walls for flat panel displays'20006,109,994'Gap jumping to seal structure, typically using combination of vacuum and non-vacuum environments'20006,111,351'Wall assembly and method for attaching walls for flat panel display'20006,037,710'Microwave sealing of flat panel displays'20006,019,658'Fabrication of gated electron-emitting device utilizing distributed particles to define gate openings, typically in combination with spacer material to control spacing between gate layer and electron-emissive elements'20005,865,657'Fabrication of gated electron-emitting device utilizing distributed particles to form gate openings typically beveled and/or combined with lift-off or electrochemical removal of excess emitter material'19995,865,659'Fabrication of gated electron-emitting device utilizing distributed particles to define gate openings and utilizing spacer material to control spacing between gate layer and electron-emissive elements'19995,820,435'Gap jumping to seal structure including tacking of structure'19984,940,508'Apparatus and method for forming die sites in a high density electrical interconnecting structure'19904,859,909'Process and apparatus for igniting an ultra-high frequency ion source'19894,638,216'Electron cyclotron resonance ion source'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1989Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (2)· patent assignee history
1987–1989Based in Grenoble, FR· patent location history
1990Based in Santa Clara, CA, US· patent location history
1998–2004Patents assigned to CANDESCENT TECH CORP (15)· patent assignee history
1998–2011Based in Livermore, CA, US· patent location history
2002–2004Patents assigned to CANDESCENT INTELLECTUAL PROP (3)· patent assignee history
2004–2009Patents assigned to SONY CORP (2)· patent assignee history
2021Patents assigned to NIDEC GPM GMBH (2)· patent assignee history
2021Based in Erfurt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANDESCENT TECH CORP | 15 | 1998–2004 |
| CANDESCENT INTELLECTUAL PROP | 3 | 2002–2004 |
| COMMISSARIAT ENERGIE ATOMIQUE | 2 | 1987–1989 |
| NIDEC GPM GMBH | 2 | 2021 |
| SONY CORP | 2 | 2004–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Livermore, California, US | 20 | 1998–2011 |
| Erfurt, DE | 2 | 2021 |
| Grenoble, FR | 2 | 1987–1989 |
| Santa Clara, California, US | 1 | 1990 |