Inventor
MOLSTAD RICHARD W
US34 patents
⚠️ This page may combine multiple inventors who share the name “MOLSTAD RICHARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IMATION CORP
27 patentsUS6542325B1Apr 1, 2003
Time-based servo for magnetic storage media
IMATION CORP121 citations99
US6970312B2Nov 29, 2005
Full amplitude time-based servopositioning signals
IMATION CORP71 citations98
US6873487B2Mar 29, 2005
Hybrid servopositioning systems
IMATION CORP73 citations98
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
US7095583B2Aug 22, 2006
Dual mode servo pattern
IMATION CORP41 citations92
US7035040B2Apr 25, 2006
Sequenced time-based servo techniques
IMATION CORP34 citations92
US6134070AOct 17, 2000
Encoded servo track configurations, servo writer and systems/method regarding same
IMATION CORP49 citations92
US6914756B2Jul 5, 2005
Bidirectional read-while-write data recording system
IMATION CORP18 citations91
US6542321B1Apr 1, 2003
Bidirectional read-while-write data recording system
IMATION CORP17 citations91
US6433951B1Aug 13, 2002
Magnetic data storage tape with etched servo pattern, method of manufacturing same, and method of servo positioning on same
IMATION CORP43 citations91
US5675448AOct 7, 1997
Track pitch error compensation system for data cartridge tape drives
IMATION CORP53 citations91
US7342748B2Mar 11, 2008
System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads
IMATION CORP11 citations84
US7038872B2May 2, 2006
Servo patterns with inherent track ID
IMATION CORP17 citations84
US6735039B1May 11, 2004
Linear positioning encoding in amplitude-based servopositioning systems
IMATION CORP15 citations84
US7495859B2Feb 24, 2009
Interleaved servo pattern
IMATION CORP8 citations83
US6999269B2Feb 14, 2006
Two-sided data storage tape with servo information on both sides of the tape
IMATION CORP6 citations74
US6078481AJun 20, 2000
Tape storage cartridge having two-level tape path
IMATION CORP14 citations74
US7079343B2Jul 18, 2006
Time-based sectored servo data format
IMATION CORP7 citations73
US7204446B2Apr 17, 2007
Data storage tape guiding systems using tapered guides
IMATION CORP2 citations63
US7173794B2Feb 6, 2007
Accessing both sides of data storage tape
IMATION CORP5 citations63
US6952317B2Oct 4, 2005
Amplitude-based servo patterns for magnetic media
IMATION CORP6 citations63
US6754022B1Jun 22, 2004
High-speed current driver
IMATION CORP4 citations63
US7595950B2Sep 29, 2009
Robust data storage techniques for two-sided data storage tape
IMATION CORP2 citations61
US7142381B2Nov 28, 2006
Servo writing devices for creating servo patterns with inherent track ID
IMATION CORP1 citations52
US7038871B2May 2, 2006
Multi-band servo patterns with inherent track ID
IMATION CORP1 citations52
US7031097B1Apr 18, 2006
Systems and methods for using noise measurement tracks with servopositioning signals
IMATION CORP0 citations52
MINNESOTA MINING & MFG
5 patentsUS5339202AAug 16, 1994
Method and apparatus for amplitude compensated write equalization
MINNESOTA MINING & MFG28 citations92
US4791643ADec 13, 1988
Single track orthogonal error correction system
MINNESOTA MINING & MFG34 citations92
US5426543AJun 20, 1995
Servo positioning system for magnetic recording media
MINNESOTA MINING & MFG21 citations91
US5452150ASep 19, 1995
Data cartridge with magnetic tape markers
MINNESOTA MINING & MFG32 citations90
US5243472ASep 7, 1993
Series resonant AC erase head drive circuit
MINNESOTA MINING & MFG7 citations74