Inventor
GRIFFITHS JOHN
GB28 patents
⚠️ This page may combine multiple inventors who share the name “GRIFFITHS JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHOTOPHARMICA LTD
6 patentsUS7371744B2May 13, 2008
Biologically active methylene blue derivatives
PHOTOPHARMICA LTD21 citations83
US7407948B2Aug 5, 2008
Photosensitisers and their uses
PHOTOPHARMICA LTD10 citations73
US7915254B2Mar 29, 2011
Biologically active methylene blue derivatives
PHOTOPHARMICA LTD4 citations70
US7855197B2Dec 21, 2010
Biologically active methylene blue derivatives
PHOTOPHARMICA LTD4 citations70
US7732439B2Jun 8, 2010
Biologically active methylene blue derivatives
PHOTOPHARMICA LTD6 citations67
US7276494B2Oct 2, 2007
Photosensitisers
PHOTOPHARMICA LTD2 citations55
OXFORD BIOSENSORS LTD
4 patentsUSD551350SSep 18, 2007
Medical instrument
OXFORD BIOSENSORS LTD79 citations95
USD538433SMar 13, 2007
Docking device for a medical instrument
OXFORD BIOSENSORS LTD12 citations82
US7545148B2Jun 9, 2009
Electrochemical sensor
OXFORD BIOSENSORS LTD16 citations79
US7467048B2Dec 16, 2008
Electrochemical sensor
OXFORD BIOSENSORS LTD0 citations50
PITNEY BOWES INC
3 patentsUS6793723B2Sep 21, 2004
Homogeneous photosensitive optically variable ink compositions for ink jet printing
PITNEY BOWES INC38 citations91
US7153350B2Dec 26, 2006
Water soluble colorants for ink jet printing
PITNEY BOWES INC6 citations72
US8026306B2Sep 27, 2011
Red-luminescent ink jet printing compositions and methods for improved waterfastness
PITNEY BOWES INC0 citations35
GRIFFITHS JOHN
2 patentsBOEHRINGER MANNHEIM GMBH
2 patentsAKZO NOBEL NV
2 patentsOCG MICROELECTRONIC MATERIALS
2 patentsUS5250392AOct 5, 1993
Process of developing a negative-working radiation-sensitive photoresist containing cyclized rubber polymer and contrast enhancing azo dye
OCG MICROELECTRONIC MATERIALS2 citations59
US5206110AApr 27, 1993
Negative-working radiation-sensitive mixtures containing cyclized rubber polymer and contrast enhancing azo dye
OCG MICROELECTRONIC MATERIALS0 citations48