Inventor
Roger H. Johnson
Inventor
Phoenix, AZ, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
A61BDiagnosis11%
B01LChemical or physical laboratory apparatus for general use11%
C07DHeterocyclic compounds6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C12MApparatus for enzymology or microbiology6%
C23FNon-mechanical removal of metallic material from surface6%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
10,391,485Microfluidic electrocage device and cell medium for trapping and rotating cells for live-cell computed tomography (CT)201910,162,162Microfluidic systems and methods for hydrodynamic microvortical cell rotation in live-cell computed tomography20189,597,026'Endoscope for analyte consumption rate determination with single cell resolution for in vivo applications'20179,181,375'Fluorescent potassium ion sensors'20157,907,765'Focal plane tracking for optical microtomography'20116,944,322'Optical tomography of small objects using parallel ray illumination and post-specimen optical magnification'20055,402,460'Three-dimensional microtomographic analysis system'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2011Patents assigned to UNIV WASHINGTON (2)· patent assignee history
1995Based in North Bend, WA, US· patent location history
2005–2011Patents assigned to VISIONGATE INC (2)· patent assignee history
2005Based in Whitefish Bay, WI, US· patent location history
2011–2019Based in Phoenix, AZ, US· patent location history
2015–2017Patents assigned to MELDRUM DEIRDRE (2)· patent assignee history
2015–2017Patents assigned to TIAN YANQING (2)· patent assignee history
2018–2019Patents assigned to ARIZONA BOARD OF REGENTS A BODY CORPORATE OF THE STATE OF ARIZONA ACTING FOR AND ON BEHALF OF ARIZON (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARIZONA BOARD OF REGENTS A BODY CORPORATE OF THE STATE OF ARIZONA ACTING FOR AND ON BEHALF OF ARIZON | 2 | 2018–2019 |
| MELDRUM DEIRDRE | 2 | 2015–2017 |
| TIAN YANQING | 2 | 2015–2017 |
| UNIV WASHINGTON | 2 | 1995–2011 |
| VISIONGATE INC | 2 | 2005–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Phoenix, AZ, US | 5 | 2011–2019 |
| Whitefish Bay, WI, US | 1 | 2005 |
| North Bend, Washington, US | 1 | 1995 |