Inventor
John K. Gulsen
Inventor
Aliso Viejo, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating43%
F21KNon-electric light sources using luminescence14%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
PatentTitleYear
9,504,122'Fluorescent replacement LED lamps'20168,193,719'Using pulse density modulation for controlling dimmable electronic lighting ballasts'20127,642,735'Using pulse density modulation for controlling dimmable electronic lighting ballasts'20106,683,587'Switched mode digital logic method, system and apparatus for directly driving LCD glass'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2016Patents assigned to MICROCHIP TECH INC (4)· patent assignee history
2004–2016Based in Aliso Viejo, CA, US· patent location history
2012Patents assigned to BOWLING STEPHEN (1)· patent assignee history
2012Patents assigned to GULSEN JOHN K (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROCHIP TECH INC | 4 | 2004–2016 |
| BOWLING STEPHEN | 1 | 2012 |
| GULSEN JOHN Kself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aliso Viejo, California, US | 4 | 2004–2016 |