Inventor
FRIEND RICHARD H
GB18 patents
⚠️ This page may combine multiple inventors who share the name “FRIEND RICHARD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMBRIDGE DISPLAY TECH LTD
8 patentsUS6429601B1Aug 6, 2002
Electroluminescent devices
CAMBRIDGE DISPLAY TECH LTD179 citations98
US5512654AApr 30, 1996
Semiconductive copolymers for use in luminescent devices
CAMBRIDGE DISPLAY TECH LTD148 citations98
US5401827AMar 28, 1995
Semiconductive copolymers for use in luminescent devices
CAMBRIDGE DISPLAY TECH LTD210 citations98
US5399502AMar 21, 1995
Method of manufacturing of electrolumineschent devices
CAMBRIDGE DISPLAY TECH LTD895 citations98
US5328809AJul 12, 1994
Patterning of semiconductive polymers
CAMBRIDGE DISPLAY TECH LTD124 citations97
US6670213B2Dec 30, 2003
Method of preparing photoresponsive devices, and devices made thereby
CAMBRIDGE DISPLAY TECH LTD46 citations94
US5425125AJun 13, 1995
Optical device incorporating semiconductive conjugated polymer
CAMBRIDGE DISPLAY TECH LTD13 citations80
US6872970B2Mar 29, 2005
Photoresponsive devices
CAMBRIDGE DISPLAY TECH LTD9 citations72
BRITISH PETROLEUM CO PLC
3 patentsUS4923288AMay 8, 1990
Optical modulators based on polymers
BRITISH PETROLEUM CO PLC137 citations94
US4734343AMar 29, 1988
Composites
BRITISH PETROLEUM CO PLC12 citations70
US4681822AJul 21, 1987
Novel composites of an ionic conducting polymer and an electronic conducting polymer
BRITISH PETROLEUM CO PLC12 citations70