Assignee
VERBATIM CORP
US86 patents
Top patents by PatentIndex Score
US6207252B1Mar 27, 2001
Magnetic recording medium and production method thereof
VERBATIM CORP120 citations98
US4562495ADec 31, 1985
Multiple system disk
VERBATIM CORP175 citations95
US4858050AAug 15, 1989
Structurally rigid disk cartridge adaptable to eliminating relative axial cartridge and/or transducer head loading/unloading movement
VERBATIM CORP29 citations92
US4805061AFeb 14, 1989
Self-positioning write protect mechanism for a cartridge
VERBATIM CORP46 citations92
US4823210AApr 18, 1989
Copy protected disk
VERBATIM CORP28 citations91
US4562494ADec 31, 1985
Disk drive alignment analyzer
VERBATIM CORP51 citations91
US4347689ASep 7, 1982
Method for burnishing
VERBATIM CORP91 citations90
US4262860AApr 21, 1981
Tape cartridge with increased tape capacity
VERBATIM CORP40 citations90
US4587157AMay 6, 1986
Wear resisting undercoat for thin film magnetic recording media
VERBATIM CORP42 citations89
US4263188AApr 21, 1981
Aqueous coating composition and method
VERBATIM CORP76 citations88
US4554217ANov 19, 1985
Process for creating wear and corrosion resistant film for magnetic recording media
VERBATIM CORP31 citations87
US5539600AJul 23, 1996
Write protection for memory diskettes
VERBATIM CORP34 citations83
USD304720SNov 21, 1989
Disk cartridge
VERBATIM CORP22 citations81
US4549240AOct 22, 1985
Write protection device
VERBATIM CORP20 citations81
US4375658AMar 1, 1983
Cleaning disk
VERBATIM CORP23 citations81
US4354213AOct 12, 1982
Self-lubricating liner
VERBATIM CORP27 citations81
US4282973AAug 11, 1981
Package for flexible magnetic media and method therefor
VERBATIM CORP37 citations81
US4504871AMar 12, 1985
Magnetic media test fixture apparatus
VERBATIM CORP30 citations80
USD379638SJun 3, 1997
Extended tape cartridge
VERBATIM CORP17 citations78
US4626949ADec 2, 1986
Magnetic record disk cleaning and stabilizing assembly
VERBATIM CORP21 citations78
US4162774AJul 31, 1979
Belt drive cartridge
VERBATIM CORP24 citations78
US4412400ANov 1, 1983
Apparatus for burnishing
VERBATIM CORP27 citations76
US5963403AOct 5, 1999
Belt driven tape cartridge
VERBATIM CORP8 citations74
US6227029B1May 8, 2001
Method of manufacturing belt-driven tape cartridge
VERBATIM CORP10 citations73
US6033759AMar 7, 2000
Magnetic recording medium
VERBATIM CORP9 citations73
US4860143AAug 22, 1989
Temperature/humidity indicator for a floppy disk cassette
VERBATIM CORP17 citations73
US4599667AJul 8, 1986
Automatic azimuth angle adjustment head mounting structure
VERBATIM CORP17 citations73
US4929067AMay 29, 1990
Method and apparatus for anamorphically shaping and deflecting electromagnetic beams
VERBATIM CORP15 citations72
US4648002AMar 3, 1987
Wiping system for magnetic recording disks
VERBATIM CORP15 citations72
US4539220ASep 3, 1985
Method of manufacturing reinforced flexible disks
VERBATIM CORP19 citations72
US4419164ADec 6, 1983
Method for making a self-lubricating liner
VERBATIM CORP18 citations72
US6129301AOct 10, 2000
Molded roller for tape cartridge
VERBATIM CORP7 citations71
US5758836AJun 2, 1998
Tape cartridge and method of making the same
VERBATIM CORP4 citations71
US5522562AJun 4, 1996
Tape cartridge and method of making the same
VERBATIM CORP7 citations71
US5333806AAug 2, 1994
Magnetic tape cartridge
VERBATIM CORP7 citations71
US4562505ADec 31, 1985
Flexible magnetic memory disk with metallic hub and method of manufacturing same
VERBATIM CORP14 citations71
US4480282AOct 30, 1984
Stabilized locating ring for a flexible disk
VERBATIM CORP16 citations71
US4198013AApr 15, 1980
Tensioning means for belt driven tape cassette
VERBATIM CORP16 citations71
US4737876AApr 12, 1988
Write protect device for a record disk assembly
VERBATIM CORP16 citations70
US4368817AJan 18, 1983
Unitary hinged box-type container
VERBATIM CORP12 citations70
US4231532ANov 4, 1980
Tape cassette with improved tape guiding
VERBATIM CORP14 citations70
US4219169AAug 26, 1980
Floating roller magnetic tape cartridge
VERBATIM CORP15 citations70
US5210671AMay 11, 1993
Write protection for memory diskettes
VERBATIM CORP20 citations69
US4205808AJun 3, 1980
Tape cartridge
VERBATIM CORP19 citations69
USD527009SAug 22, 2006
Digital video disk
VERBATIM CORP5 citations68
USD526652SAug 15, 2006
Digital video disk
VERBATIM CORP5 citations68
USD525628SJul 25, 2006
Digital video disk
VERBATIM CORP6 citations68
USD393454SApr 14, 1998
Tape cartridge
VERBATIM CORP12 citations68
US4443398AApr 17, 1984
Forming process for light gauge polymer sheet material
VERBATIM CORP9 citations68
US4608618AAug 26, 1986
Digital alignment diagnostic disk
VERBATIM CORP19 citations67
Showing the top 50 of 86 patents by PatentIndex Score.