DJ

Douglas W. Johnson

IM Imation: 37 patents #1 of 622Top 1%
IBM: 12 patents #9,222 of 70,183Top 15%
FJ Fort James: 11 patents #18 of 211Top 9%
BI Benchmark Storage Innovations: 1 patents #4 of 17Top 25%
Illinois Tool Works: 1 patents #2,292 of 4,258Top 55%
LG Landmark Graphics: 1 patents #262 of 543Top 50%
🗺 Texas: #1,026 of 125,132 inventorsTop 1%
Overall (All Time): #32,060 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 26–50 of 67 patents

Patent #TitleCo-InventorsDate
7054097 Tape guiding techniques for a dual actuator read-while-write recording system Yung Yip 2006-05-30
7031097 Systems and methods for using noise measurement tracks with servopositioning signals Richard W. Molstad, Yung Yip 2006-04-18
7006329 Magnetic tape head assembly with laterally moveable central section Christopher J. Zwettler, Saeed Fahimi 2006-02-28
6999269 Two-sided data storage tape with servo information on both sides of the tape Richard W. Molstad, Yung Yip 2006-02-14
6950269 System and methods for using servopositioning signals 2005-09-27
6918553 Controlling winding tension to reduce tape pack stress Christopher J. Zwettler 2005-07-19
6874720 Data storage tape cartridge with subambient pressure feature Christopher J. Zwettler, Saeed Fahimi, Michael A. Mewes 2005-04-05
6842305 Time-based servo for magnetic storage media Richard W. Molstad, Michael J. Kelly 2005-01-11
6781778 Time-based sectored servo data format Richard W. Molstad, Durkee B. Richards 2004-08-24
6685074 Sheet material dispensing apparatus and method Dale T. Gracyalny, David Carpenter, Kamala J. Grasso, Peter D. Johnson, John Longan +3 more 2004-02-03
6542325 Time-based servo for magnetic storage media Richard W. Molstad, Michael J. Kelly 2003-04-01
6536624 Sheet material having weakness zones and a system for dispensing the material Dale T. Gracyalny, Thomas N. Kershaw, John R. Moody 2003-03-25
6527913 Creping blade, system, and method for creping a cellulosic web Dale T. Gracyalny 2003-03-04
6464120 Sheet material having weakness zones and a system for dispensing the material Dale T. Gracyalny, Thomas N. Kershaw, John R. Moody 2002-10-15
6447864 Sheet material having weakness zones and a system for dispensing the material Dale T. Gracyalny, Thomas N. Kershaw, John R. Moody 2002-09-10
6437935 Method and apparatus for a real and positional optimization of a storage disk data zone Todd Phillip Fracek, Jeffrey F. Boigenzahn 2002-08-20
6412678 Sheet material dispensing apparatus and method Dale T. Gracyalny, David Carpenter, Kamala J. Grasso, Peter D. Johnson, John Longan +3 more 2002-07-02
6405957 Data storage tape cartridge and tape path with an idler wrap guide for reduced lateral tape movement Jerry L. Alexander, Daniel C. Egan, Christopher J. Zwettler, William J. Vanderheyden, Albert E. Bass, Jr. 2002-06-18
6321963 Sheet material dispensing apparatus and method Dale T. Gracyalny, David Carpenter, Kamala J. Grasso, Peter D. Johnson, John Longan +3 more 2001-11-27
6270030 System for controlling compatibility of tape cartridges having the same form factor Michael W. Johnson, Charles L. Dennis 2001-08-07
6228454 Sheet material having weakness zones and a system for dispensing the material Dale T. Gracyalny, Thomas N. Kershaw, John R. Moody 2001-05-08
6215074 Direct mounting system for a disk drive Michael S. Good, Subrahmanyan Nagarajan, Brian L. Rappel, Laurence J. Schmidt, Dennis Ronald Ziegenhagen 2001-04-10
6202956 Dispenser for dispensing toilet tissue from rolls Kamala J. Grasso, Jason E. Short, Robert Mervar, John R. Moody, Peter D. Johnson 2001-03-20
6142404 Compliant tape guide with planar stiffness body for a data storage tape cartridge John Willems, Daniel C. Egan, Leif O. Erickson 2000-11-07
6078481 Tape storage cartridge having two-level tape path William J. Vanderheyden, Richard W. Molstad 2000-06-20