Inventor
Charles S. Whitman
Inventor
Lexington, KY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters50%
C23CCoating metallic material10%
H01LSemiconductor devices10%
H10DInorganic electric semiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
9,530,853'Semiconductor device with reduced leakage current and method for making the same'20166,395,148'Method for producing desired tantalum phase'20026,213,587'Ink jet printhead having improved reliability'20016,142,612'Controlled layer of tantalum for thermal ink jet printer'20005,658,471'Fabrication of thermal ink-jet feed slots in a silicon substrate'19975,493,320'Ink jet printing nozzle array bonded to a polymer ink barrier layer'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to LEXMARK INT INC (5)· patent assignee history
1996–2002Based in Lexington, KY, US· patent location history
2016Patents assigned to QORVO US INC (1)· patent assignee history
2016Patents assigned to RF MICRO DEVICES INC (1)· patent assignee history
2016Based in Greensboro, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 5 | 1996–2002 |
| QORVO US INC | 1 | 2016 |
| RF MICRO DEVICES INC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 5 | 1996–2002 |
| Greensboro, NC, US | 1 | 2016 |