Inventor
Dirk Tews
Inventor
Berlin, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits32%
C23FNon-mechanical removal of metallic material from surface26%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
B05DProcesses for applying fluent materials to surfaces, in general5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C23CCoating metallic material5%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis5%
H01LSemiconductor devices5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
10,477,700Method for manufacturing a printed circuit board20199,441,304'Aqueous composition for etching of copper and copper alloys'20169,332,652'Process for etching a recessed structure filled with tin or a tin alloy'20168,945,298'Non-etching non-resist adhesion composition and method of preparing a work piece'20158,758,634'Composition and method for micro etching of copper and copper alloys'20148,192,636'Composition and method for improved adhesion of polymeric materials to copper alloy surfaces'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2019Patents assigned to ATOTECH DEUTSCHLAND GMBH (6)· patent assignee history
2012–2016Patents assigned to TEWS DIRK (4)· patent assignee history
2012–2015Patents assigned to SPARING CHRISTIAN (3)· patent assignee history
2012–2019Based in Berlin, DE· patent location history
2014–2015Patents assigned to THOMS MARTIN (2)· patent assignee history
2015Patents assigned to LUETZOW NORBERT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ATOTECH DEUTSCHLAND GMBH | 6 | 2012–2019 |
| TEWS DIRKself | 4 | 2012–2016 |
| SPARING CHRISTIAN | 3 | 2012–2015 |
| THOMS MARTIN | 2 | 2014–2015 |
| LUETZOW NORBERT | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berlin, DE | 6 | 2012–2019 |