Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HT

Herbert E. Thompson

STSyquest Technology: 13 patents #1 of 34Top 3%
Xerox: 3 patents #3,111 of 8,622Top 40%
IHIo-Mega Holding: 1 patents #177 of 308Top 60%
SISjoberg Industries: 1 patents #4 of 6Top 70%
Los Gatos, CA: #402 of 2,986 inventorsTop 15%
California: #27,156 of 386,348 inventorsTop 8%
Overall (All Time): #211,997 of 4,157,543Top 6%
21 Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6333834 Rattle reduction mechanism in a removable cartridge for a disk drive Syed H. Iftikar, Teong-Hoe Kay, Albert J. Guerini 2001-12-25
6049444 Rotatable door and door opening mechanism for a cartridge Syed H. Iftikar, Teong-Hoe Kay, Albert J. Guerini 2000-04-11
5831790 Removable cartridge disk drive with a compact mechanism for engaging the disk cartridge and drive spindle motor Syed H. Iftikar, Teong-Hoe Kay, Albert J. Guerini 1998-11-03
5724216 Removable cartridge which may be mounted to a disk drive spindle motor without relative movement between the motor and a housing of the cartridge Syed H. Iftikar, Albert J. Guerini 1998-03-03
5699210 Disk drive for receiving a removable cartridge and method of inserting the cartridge Bin-Lun Ho, Albert J. Guerini, Teong-Hoe Kay, Syed H. Iftikar 1997-12-16
D383452 Removable cartridge disk drive Bin-Lun Ho, Albert J. Guerini, Teong-Hoe Kay 1997-09-09
D363926 Cartridge with a 1.8 inch form factor for a removable cartridge disk drive Syed H. Iftikar, Albert J. Guerini 1995-11-07
5444586 Removable cartridge for a disk drive with a 1.8 inch form factor Syed H. Iftikar, Albert J. Guerini 1995-08-22
5440436 Removable cartridge disk drive with a 1.8 inch form factor Syed H. Iftikar, Teong-Hoe Kay, Albert J. Guerini 1995-08-08
D350115 Cartridge with a 1.8 inch form factor for a removable cartridge disk drive Syed H. Iftikar, Albert J. Guerini 1994-08-30
5205318 Recirculation hot water system Donald Massaro 1993-04-27
5166845 Integrated read/write heads, flexure assembly and air-bearing structure on common unitary substrate Duane G. Wallace, Jr., Gilbert D. Springer 1992-11-24
4965685 Removable cartridge disc drive with radial arm voice coil actuator Donald L. Rolph, Dominic Mercurio, Albert J. Guerini 1990-10-23
4870518 Removable cartridge disc drive with radial arm voice coil actuator Donald L. Rolph, Dominic Mercurio, Albert J. Guerini 1989-09-26
4864452 Removable cartridge with lockable access door Donald L. Rolph, Dominic Mercurio 1989-09-05
4630145 Fine positioning apparatus for floppy disk drive Duane C. Meulners 1986-12-16
4539614 Flexible magnetic disk clamping an injector mechanism 1985-09-03
4528607 Magnetic record/playback head positioning apparatus 1985-07-09
4323938 Rolling pivot for magnetic head 1982-04-06
4320426 Head assembly for recording on magnetic disc 1982-03-16
4308564 Head load/unload mechanism for rotating magnetic memories 1981-12-29