Inventor

Craig Sawyers

Inventor
Oxford, GB

Overview

9→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 9 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 properties40%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light30%
G02BOptical elements, systems or apparatus10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
A61FFilters implantable into blood vessels5%
G10KSound-producing devices5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to ARES SERONO RES & DEV LTD (2)· patent assignee history
1989Patents assigned to NORTH JOHN R (1)· patent assignee history
1989Patents assigned to PETTY SAPHON SATHAM (1)· patent assignee history
1989Patents assigned to SAWYERS CRAIG G (1)· patent assignee history
1989Based in Letchworth, GB· patent location history
1991Based in St. Neots, GB· patent location history
1994Based in Cambridgeshire, GB· patent location history
2018–2021Patents assigned to DUVAS TECH LIMITED (5)· patent assignee history
2018–2021Based in Oxford, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DUVAS TECH LIMITED52018–2021
ARES SERONO RES & DEV LTD21989–1994
NORTH JOHN R11989
PETTY SAPHON SATHAM11989
SAWYERS CRAIG Gself11989
Locations
LocationPatentsSpan
Oxford, GB52018–2021
Letchworth, GB21989
Cambridgeshire, GB11994
St. Neots, GB11991