Inventor
Walter Kruppa
Inventor
Fairfax, VA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices60%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
6,316,124'Modified InAs hall elements'20016,133,593'Channel design to reduce impact ionization in heterostructure field-effect transistors'20005,798,540'Electronic devices with InAlAsSb/AlSb barrier'19985,364,816'Fabrication method for III-V heterostructure field-effect transistors'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to US ARMY (1)· patent assignee history
1994–2000Based in Fairfax, VA, US· patent location history
1998–2001Patents assigned to US NAVY (3)· patent assignee history
2001Based in McLean, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US NAVY | 3 | 1998–2001 |
| US ARMY | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fairfax, Virginia, US | 3 | 1994–2000 |
| McLean, Virginia, US | 1 | 2001 |