Inventor
Robert P. Ulmer
Inventor
Hopkins, MN, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%
Y02PClimate change mitigation technologies in the production or processing of goods29%
G02BOptical elements, systems or apparatus14%
PatentTitleYear
5,923,953'Process for forming a high gain, wide bandgap gallium nitride photoconductor having particular sensitivity to ultraviolet radiation'19995,598,014'High gain ultraviolet photoconductor based on wide bandgap nitrides'19974,141,621'Three layer waveguide for thin film lens fabrication'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1999Patents assigned to HONEYWELL INC (3)· patent assignee history
1979Based in Minneapolis, MN, US· patent location history
1997–1999Based in Hopkins, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INC | 3 | 1979–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hopkins, Minnesota, US | 2 | 1997–1999 |
| Minneapolis, Minnesota, US | 1 | 1979 |