Inventor
JOHNSON DOUGLAS W
US65 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON DOUGLAS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IMATION CORP
22 patentsUS6950269B1Sep 27, 2005
System and methods for using servopositioning signals
IMATION CORP126 citations99
US6542325B1Apr 1, 2003
Time-based servo for magnetic storage media
IMATION CORP121 citations99
US6842305B2Jan 11, 2005
Time-based servo for magnetic storage media
IMATION CORP78 citations98
US6781778B1Aug 24, 2004
Time-based sectored servo data format
IMATION CORP93 citations97
US7139151B2Nov 21, 2006
Band identification in time-based servopositioning formats
IMATION CORP25 citations92
US7095583B2Aug 22, 2006
Dual mode servo pattern
IMATION CORP41 citations92
US7889454B2Feb 15, 2011
Distributed servo patterns for data storage media
IMATION CORP35 citations91
US7006329B2Feb 28, 2006
Magnetic tape head assembly with laterally moveable central section
IMATION CORP37 citations91
US6405957B1Jun 18, 2002
Data storage tape cartridge and tape path with an idler wrap guide for reduced lateral tape movement
IMATION CORP31 citations90
US7436622B2Oct 14, 2008
Concurrent servo and data track writing
IMATION CORP12 citations84
US7342748B2Mar 11, 2008
System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads
IMATION CORP11 citations84
US7054097B1May 30, 2006
Tape guiding techniques for a dual actuator read-while-write recording system
IMATION CORP15 citations84
US7495859B2Feb 24, 2009
Interleaved servo pattern
IMATION CORP8 citations83
US7466510B2Dec 16, 2008
Distributed servo patterns for data storage media
IMATION CORP14 citations83
US6999269B2Feb 14, 2006
Two-sided data storage tape with servo information on both sides of the tape
IMATION CORP6 citations74
US6918553B2Jul 19, 2005
Controlling winding tension to reduce tape pack stress
IMATION CORP8 citations74
US6078481AJun 20, 2000
Tape storage cartridge having two-level tape path
IMATION CORP14 citations74
US8760802B2Jun 24, 2014
Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer
IMATION CORP4 citations73
US7079343B2Jul 18, 2006
Time-based sectored servo data format
IMATION CORP7 citations73
US6270030B1Aug 7, 2001
System for controlling compatibility of tape cartridges having the same form factor
IMATION CORP12 citations71
US7835108B2Nov 16, 2010
Data storage tape recertification
IMATION CORP5 citations63
US7379254B2May 27, 2008
Mixed frequency amplitude-based servo pattern
IMATION CORP4 citations63
FORT JAMES CORP
11 patentsUS6447864B2Sep 10, 2002
Sheet material having weakness zones and a system for dispensing the material
FORT JAMES CORP1,327 citations99
US6228454B1May 8, 2001
Sheet material having weakness zones and a system for dispensing the material
FORT JAMES CORP97 citations99
US6536624B2Mar 25, 2003
Sheet material having weakness zones and a system for dispensing the material
FORT JAMES CORP79 citations98
US6202956B1Mar 20, 2001
Dispenser for dispensing toilet tissue from rolls
FORT JAMES CORP94 citations97
US6464120B1Oct 15, 2002
Sheet material having weakness zones and a system for dispensing the material
FORT JAMES CORP50 citations96
US5813624ASep 29, 1998
Apparatus for dispensing toilet tissue from rolls
FORT JAMES CORP77 citations96
US6685074B2Feb 3, 2004
Sheet material dispensing apparatus and method
FORT JAMES CORP57 citations95
US6412678B2Jul 2, 2002
Sheet material dispensing apparatus and method
FORT JAMES CORP42 citations95
US6321963B1Nov 27, 2001
Sheet material dispensing apparatus and method
FORT JAMES CORP70 citations95
USD417109SNov 30, 1999
Sheet material dispenser
FORT JAMES CORP45 citations93
US6527913B1Mar 4, 2003
Creping blade, system, and method for creping a cellulosic web
FORT JAMES CORP15 citations84
IBM
9 patentsUS5432652AJul 11, 1995
Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks
IBM112 citations96
US5550690AAug 27, 1996
Resilient compliant clamp for data storage disk drives
IBM21 citations92
US5636090AJun 3, 1997
Tilt limiting inertial actuator latch for a data storage system
IBM35 citations91
US5284308AFeb 8, 1994
Tape path having implicit squeeze bearing
IBM22 citations91
US5552946ASep 3, 1996
Compliant rail for shock protection of a PCMCIA DASD
IBM27 citations90
US5297755AMar 29, 1994
Tape cartridge tape path
IBM29 citations88
US5486961AJan 23, 1996
Resilient compliant clamp for data storage disk drives
IBM15 citations73
US5297754AMar 29, 1994
Tape reel with brake and dust shield
IBM11 citations73
US5519562AMay 21, 1996
Compliant tape guide
IBM10 citations72
JOHNSON DOUGLAS W
4 patentsUS5222779AJun 29, 1993
Chaise lounge
JOHNSON DOUGLAS W33 citations92
US5207364AMay 4, 1993
Shoulder protection device for ladder transport
JOHNSON DOUGLAS W25 citations92
US4580825AApr 8, 1986
Safety rescue grapple
JOHNSON DOUGLAS W24 citations82
US4682593AJul 28, 1987
Adjustable breast bridge for use in multiple-plane interstitial breast implants
JOHNSON DOUGLAS W11 citations73
DOGWOOD RESTORATIONS
1 patentILLINOIS TOOL WORKS
1 patentLILLY CO ELI
1 patentLANDMARK GRAPHICS CORP
1 patentShowing the top 50 of 65 patents by PatentIndex Score.