Inventor
Charles Robert Ragsdale
Inventor
Newport Beach, CA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis30%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light30%
G01NInvestigating or analysing materials by determining their chemical or physical properties30%
H01KElectric incandescent lamps7%
H01JElectric discharge tubes or discharge lamps3%
PatentTitleYear
8,781,543'Manual and automatic probe calibration'20148,145,287'Manual and automatic probe calibration'20127,526,328'Manual and automatic probe calibration'20097,496,391'Manual and automatic probe calibration'20096,678,543'Optical probe and positioning wrap'20046,397,091'Manual and automatic probe calibration'20026,011,986'Manual and automatic probe calibration'20005,823,950'Manual and automatic probe calibration'19985,800,235'Process for manufacturing incandescent lamps having gettering agents'19985,758,644'Manual and automatic probe calibration'19985,659,222'Vacuum sealed incandescent lamp with improved filament support structure'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1998Patents assigned to ILLUMINATION TECHNOLOGY INC (2)· patent assignee history
1997–2014Based in Newport Beach, CA, US· patent location history
1998–2012Patents assigned to MASIMO CORP (8)· patent assignee history
2012–2014Patents assigned to DIAB MOHAMED KHEIR (2)· patent assignee history
2012–2014Patents assigned to KIANI MASSI E (2)· patent assignee history
2012–2014Patents assigned to LEPPER JR JAMES M (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MASIMO CORP | 8 | 1998–2012 |
| DIAB MOHAMED KHEIR | 2 | 2012–2014 |
| ILLUMINATION TECHNOLOGY INC | 2 | 1997–1998 |
| KIANI MASSI E | 2 | 2012–2014 |
| LEPPER JR JAMES M | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newport Beach, California, US | 11 | 1997–2014 |