Inventor
FISHER DAVID A
US41 patents
⚠️ This page may combine multiple inventors who share the name “FISHER DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3COM CORP
11 patentsUS6496105B2Dec 17, 2002
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP191 citations99
US6329906B1Dec 11, 2001
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP115 citations99
US6140911AOct 31, 2000
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP534 citations99
US5994998ANov 30, 1999
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP723 citations99
US6710704B2Mar 23, 2004
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP67 citations97
US6753761B2Jun 22, 2004
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP62 citations96
US6208629B1Mar 27, 2001
Method and apparatus for assigning spectrum of a local area network
3COM CORP452 citations96
US5933420AAug 3, 1999
Method and apparatus for assigning spectrum of a wireless local area network
3COM CORP303 citations96
US5657326AAug 12, 1997
Radio based collision detection for wireless communication system
3COM CORP112 citations96
US6989735B2Jan 24, 2006
Power transfer apparatus for concurrently transmitting data and power over data wires
3COM CORP19 citations92
US5936537AAug 10, 1999
High frequency signal detector
3COM CORP9 citations73
NORTHERN TELECOM LTD
5 patentsUS5321754AJun 14, 1994
Sequence synchronization
NORTHERN TELECOM LTD79 citations94
US5191330AMar 2, 1993
Binary for penternary (five-level) encoding system
NORTHERN TELECOM LTD42 citations87
US5537241AJul 16, 1996
Telecommunications system
NORTHERN TELECOM LTD14 citations74
US5444710AAug 22, 1995
Telecommunications systems
NORTHERN TELECOM LTD8 citations71
US5528596AJun 18, 1996
Telecommunications systems
NORTHERN TELECOM LTD13 citations67
SPARROW DETECT INC
5 patentsUS11835449B2Dec 5, 2023
Generating signatures based on sensing gas concentration conditions
SPARROW DETECT INC0 citations60
US11022544B2Jun 1, 2021
Generating signatures based on sensing gas concentration conditions
SPARROW DETECT INC0 citations60
US10976248B2Apr 13, 2021
Tunable light source cavity detection using a plurality of axial-plus-transverse modes
SPARROW DETECT INC0 citations60
US11828705B2Nov 28, 2023
Apparatus and method for spectroscopically detecting a sample
SPARROW DETECT INC0 citations50
US10724946B2Jul 28, 2020
Tunable light source cavity detection using a plurality of axial-plus-transverse modes
SPARROW DETECT INC0 citations50
STC PLC
4 patentsBURROUGHS CORP
3 patentsUS3983539ASep 28, 1976
Polymorphic programmable units employing plural levels of sub-instruction sets
BURROUGHS CORP49 citations91
US3983541ASep 28, 1976
Polymorphic programmable units employing plural levels of phased sub-instruction sets
BURROUGHS CORP39 citations91
US4558411ADec 10, 1985
Polymorphic programmable units employing plural levels of sub-instruction sets
BURROUGHS CORP23 citations81