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Inventor

David T. Delpy

Inventor
London, GB

Overview

11→
Patents
1980–2005
Patent span
Human necessities
Primary field (CPC A)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis53%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
A61MDevices for introducing media into, or onto, the body6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
G01BMeasuring length, thickness or similar linear dimensions6%
PatentTitleYear
6,839,496'Optical fibre probe for photoacoustic material analysis'20056,813,401'Fabrication of fabry-perot polymer film sensing interferometers'20045,706,821'Spectroscopic method for quantitatively determining the change of concentration of a light or other radiation absorbing compound in a medium which is interrogated through an intervening medium'19985,253,646'Diagnostic apparatus for measuring changes of arterial and venous blood volumes in brain with respiration signal modulation'19935,251,632'Tissue oxygen measuring system'19934,957,000'Apparatus for obtaining information on the interior of an object'19904,541,901'Method and apparatus for zero calibration of oxygen-sensing polarographic devices'19854,452,672'Process and apparatus for polarographic determination of oxygen and carbon dioxide'19844,396,017'Transcutaneous gas sensor'19834,274,417'Instruments for use in the measurement of gases in body fluids'19814,220,158'Transcutaneous probe'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to MEDISHIELD CORP LTD (1)· patent assignee history
1980–2005Based in London, GB· patent location history
1981Patents assigned to NAT RES DEV (1)· patent assignee history
1984–2004Patents assigned to UNIV LONDON (2)· patent assignee history
1985Patents assigned to NOVAMETRIX MED SYST INC (1)· patent assignee history
1990–1998Patents assigned to HAMAMATSU PHOTONICS KK (4)· patent assignee history
1990Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMAMATSU PHOTONICS KK41990–1998
UNIV LONDON21984–2004
MEDISHIELD CORP LTD11980
NAT RES DEV11981
NOVAMETRIX MED SYST INC11985
Locations
LocationPatentsSpan
London, GB101980–2005
Shizuoka, JP11990