Inventor
JOHNSON JR DAVID W
US27 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON JR DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T BELL LAB
8 patentsUS5349743ASep 27, 1994
Method of making a multilayer monolithic magnet component
AT & T BELL LAB125 citations98
US5240488AAug 31, 1993
Manufacture of vitreous silica product via a sol-gel process using a polymer additive
AT & T BELL LAB138 citations98
US5239744AAug 31, 1993
Method for making multilayer magnetic components
AT & T BELL LAB45 citations92
US5047369ASep 10, 1991
Fabrication of semiconductor devices using phosphosilicate glasses
AT & T BELL LAB28 citations90
US4605428AAug 12, 1986
Sintered high-silica glass and articles comprising same
AT & T BELL LAB35 citations89
US4531110AJul 23, 1985
Negative temperature coefficient thermistors
AT & T BELL LAB19 citations82
US5272132ADec 21, 1993
Apparatus comprising a ceramic superconductive body and method for producing such a body
AT & T BELL LAB18 citations73
US5344475ASep 6, 1994
Manufacture of high proof-test optical fiber using sol-gel
AT & T BELL LAB10 citations71
BELL TELEPHONE LABOR INC
6 patentsUS4419115ADec 6, 1983
Fabrication of sintered high-silica glasses
BELL TELEPHONE LABOR INC114 citations96
US4297005AOct 27, 1981
Persistent memory cell
BELL TELEPHONE LABOR INC17 citations74
US4301020ANov 17, 1981
Process of slurrying and spray drying ceramic oxides with polyethyleneimine dispersants
BELL TELEPHONE LABOR INC16 citations73
US4267065AMay 12, 1981
Dispersants for a ceramic slurry
BELL TELEPHONE LABOR INC18 citations73
US4246128AJan 20, 1981
Method of making MnZn ferrites
BELL TELEPHONE LABOR INC10 citations72
US4357251ANov 2, 1982
Method of ceramic preparation
BELL TELEPHONE LABOR INC4 citations63
AMERICAN TELEPHONE & TELEGRAPH
6 patentsUS4775401AOct 4, 1988
Method of producing an optical fiber
AMERICAN TELEPHONE & TELEGRAPH85 citations95
US4797386AJan 10, 1989
Superconductor-magnet induced separation
AMERICAN TELEPHONE & TELEGRAPH60 citations94
US4707174ANov 17, 1987
Fabrication of high-silica glass article
AMERICAN TELEPHONE & TELEGRAPH38 citations92
US4691990ASep 8, 1987
Optical fiber with depressed index outer cladding
AMERICAN TELEPHONE & TELEGRAPH50 citations92
US4872895AOct 10, 1989
Method for fabricating articles which include high silica glass bodies
AMERICAN TELEPHONE & TELEGRAPH13 citations71
US4933317AJun 12, 1990
Bismuth oxide superconductors, and devices and systems comprising such a superconductor
AMERICAN TELEPHONE & TELEGRAPH16 citations67
AT & T CORP
3 patentsUS5479695AJan 2, 1996
Method of making a multilayer monolithic magnetic component
AT & T CORP148 citations98
US5379364AJan 3, 1995
Vitreous silica product manufactured via a sol-gel process using a polymer additive
AT & T CORP13 citations73
US5389428AFeb 14, 1995
Sintered ceramic components and method for making same
AT & T CORP16 citations72