Inventor
LEWIS DAVID E
US49 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DISCOVISION ASS
20 patentsUS6122232ASep 19, 2000
Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same
DISCOVISION ASS88 citations98
US5729511AMar 17, 1998
Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
DISCOVISION ASS124 citations98
US6278665B1Aug 21, 2001
Optical disc system including current monitoring circuit assembly having controller with improved optics module and laser driver and method for operating same
DISCOVISION ASS22 citations96
US5878015AMar 2, 1999
Laser driver for controlling electrical current passed to a laser in an optical disc system
DISCOVISION ASS47 citations96
US5796703AAug 18, 1998
Apparatus for controlling an electrical current passed to a writing device in an optical storage system
DISCOVISION ASS23 citations96
US6266306B1Jul 24, 2001
Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs
DISCOVISION ASS24 citations95
US6418097B1Jul 9, 2002
Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same
DISCOVISION ASS26 citations94
US6434087B1Aug 13, 2002
Optical disc system and method for controlling bias coil and light source to process information on a storage medium
DISCOVISION ASS41 citations93
US6317391B1Nov 13, 2001
Optical disc system having current monitoring circuit with improved bias coil assembly and controller for laser driver and method for operating same
DISCOVISION ASS17 citations93
US6069857AMay 30, 2000
Optical disc system having improved circuitry for performing blank sector check on readable disc
DISCOVISION ASS39 citations93
US6243336B1Jun 5, 2001
Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same
DISCOVISION ASS17 citations92
US6236625B1May 22, 2001
Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
DISCOVISION ASS20 citations84
US6058081AMay 2, 2000
Optical drive system having servomotor operated relative to maximum quad sum signal
DISCOVISION ASS15 citations81
US5700979ADec 23, 1997
Flexible strip cable with extension for testing
DISCOVISION ASS9 citations70
US6317393B1Nov 13, 2001
Method and apparatus for controlling an optical head relative to an initial track and a target track on a storage medium having data arranged thereon in tracks
DISCOVISION ASS2 citations63
US5721714AFeb 24, 1998
Method and apparatus for controlling bias levels in a magneto-optical recording device
DISCOVISION ASS4 citations63
US5719836AFeb 17, 1998
Optical seeking method and apparatus generating track count signal from tracking error signal and data signal
DISCOVISION ASS3 citations63
US5581526ADec 3, 1996
Optical seeking method and apparatus with track counting using tracking error signal having constant amplitude during data segments
DISCOVISION ASS3 citations63
US5666333ASep 9, 1997
Biasing level controller for magneto-optical recording device
DISCOVISION ASS0 citations52
US5659526AAug 19, 1997
Optical seeking apparatus with track crossing signal generation using a corrected tracking error signal having a constant amplitude during periods of data
DISCOVISION ASS0 citations52
MICROBIOMED CORP
9 patentsUS5565551AOct 15, 1996
Non-azo naphthalimide dyes and uses for same
MICROBIOMED CORP44 citations96
US5235045AAug 10, 1993
Non-azo naphthalimide dyes
MICROBIOMED CORP77 citations96
US6410505B1Jun 25, 2002
Dimeric non-azo naphthalimides and uses for the same
MICROBIOMED CORP33 citations92
US5917045AJun 29, 1999
Dimeric non-azo naphthalimides and uses for same
MICROBIOMED CORP50 citations92
US5766600AJun 16, 1998
Non-azo naphtalimide dyes and uses for same
MICROBIOMED CORP20 citations92
US5420136AMay 30, 1995
Eradication of pathogenic biological contaminants using non-azo naphthalimide dyes
MICROBIOMED CORP36 citations92
US5308773AMay 3, 1994
Non-azo 1,8-naphthalimide dyes for the detection and quantitation of a paramagnetic metal cation in a non-aqueous medium
MICROBIOMED CORP20 citations92
US5472878ADec 5, 1995
Fluorescent method for monitoring oil degradation
MICROBIOMED CORP18 citations73
US6251302B1Jun 26, 2001
Chemically substituted chromophores and fluorophores of high solubility and their use as fluid visualizing agents
MICROBIOMED CORP2 citations63
MIONIX CORP
6 patentsUS6881424B1Apr 19, 2005
Highly acidic metalated organic acid
MIONIX CORP20 citations90
US6572908B2Jun 3, 2003
Highly acidic metalated organic acid as a food additive
MIONIX CORP26 citations90
US6436891B1Aug 20, 2002
Adduct having an acidic solution of sparingly-soluble group IIA complexes
MIONIX CORP15 citations80
US6902753B1Jun 7, 2005
Acidic solution of sparingly-soluble group IIA complexes
MIONIX CORP5 citations70
US6808730B2Oct 26, 2004
Highly acidic metalated organic acid as a food additive
MIONIX CORP3 citations60
US7323436B2Jan 29, 2008
Adduct having an acidic solution of sparingly-soluble group IIA complexes
MIONIX CORP5 citations59