Inventor
JOHN CHRISTOPHER FREITAG
Inventor
US
Overview
Patents· 6 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 properties32%
A61LMethods or apparatus for sterilising materials or objects in general11%
B01LChemical or physical laboratory apparatus for general use11%
C12MApparatus for enzymology or microbiology11%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%
G02BOptical elements, systems or apparatus11%
G06VImage or video recognition or understanding11%
G06KGraphical data reading5%
PatentTitleYear
12,130,227Systems and methods for bio-inactivation202412,111,212Systems and methods for an absorbance detector with optical reference202411,828,682Integrated illumination-detection flow cell for liquid chromatography202311,747,266Systems and methods for bio-inactivation202311,513,006Systems and methods for an absorbance detector with optical reference202211,486,865Systems for a modular multi-wavelength absorbance detector2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to PHOSEON TECHNOLOGY INC (4)· patent assignee history
2022–2024Based in US· patent location history
2024Patents assigned to EXCELITAS TECH CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHOSEON TECHNOLOGY INC | 4 | 2022–2023 |
| EXCELITAS TECH CORP | 2 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 6 | 2022–2024 |