Inventor
Arthur E. Geissberger
Inventor
Roanoke, VA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices45%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests32%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
PatentTitleYear
6,384,433'Voltage variable resistor from HBT epitaxial layers'20024,994,868'Heterojunction confined channel FET'19914,965,218'Self-aligned gate realignment employing planarizing overetch'19904,962,050'GaAs FET manufacturing process employing channel confining layers'19904,956,308'Method of making self-aligned field-effect transistor'19904,948,752'Method of making sagfets on buffer layers'19904,918,493'Sagfet with buffer layers'19904,849,376'Self-aligned refractory gate process with self-limiting undercut of an implant mask'19894,847,212'Self-aligned gate FET process using undercut etch mask'19894,832,761'Process for manufacturing gallium arsenide monolithic microwave integrated circuits using nonphotosensitive acid resist for handling'19894,782,032'Method of making self-aligned GaAs devices having TiWN.sub.x gate/interconnect'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to ITT GALLIUM ARSENIDE TECH (3)· patent assignee history
1988–1991Based in Roanoke, VA, US· patent location history
1989Patents assigned to ITT A DIVISION OF ITT CORP GAL (1)· patent assignee history
1990–1991Patents assigned to ITT (6)· patent assignee history
2002Patents assigned to RF MICRO DEVICES INC (1)· patent assignee history
2002Based in Greensboro, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITT | 6 | 1990–1991 |
| ITT GALLIUM ARSENIDE TECH | 3 | 1988–1989 |
| ITT A DIVISION OF ITT CORP GAL | 1 | 1989 |
| RF MICRO DEVICES INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Roanoke, Virginia, US | 10 | 1988–1991 |
| Greensboro, NC, US | 1 | 2002 |