FK

Frederick Frank Kazmierczak

ST Seagate Technology: 20 patents #263 of 4,626Top 6%
ST Seagate Technologies: 1 patents #14 of 110Top 15%
📍 San Jose, CA: #2,767 of 32,062 inventorsTop 9%
🗺 California: #24,270 of 386,348 inventorsTop 7%
Overall (All Time): #186,572 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
6724567 Radially loaded disc mounting system for a disc drive Michael John Raffetto 2004-04-20
6690541 Clamping ring with a radial load and vertical force 2004-02-10
6639749 Supplying power from a spindle motor in a disc drive system T. Jay Cameron 2003-10-28
6577474 Integrated voice coil motor assembly for a disc drive Michael A. Maiers 2003-06-10
6549380 Data handling system with flux-directing voice coil motor 2003-04-15
6549379 Unified disc drive top cover and voice coil motor pole Sharon M. Jenness 2003-04-15
6473270 Actuator shock snubber Ted McDonald, Ryan A. Sievers, Jeff Gerard Barina, Robert Haas, Russel Edward Rock +1 more 2002-10-29
6347021 Component sealing system Michael John Raffetto, Michael Kenneth Andrews, Michael A. Maiers 2002-02-12
6327119 Inertial latch for mobile disc drive Jeffrey G. Barina, Robert Haas, Michael A. Maiers 2001-12-04
6212031 Radially-loaded, snap-fit disc mounting system for a disc drive Michael Kenneth Andrews, Thomas R. Prentice 2001-04-03
6185807 Component sealing system Michael John Raffetto, Michael Kenneth Andrews, Michael A. Maiers 2001-02-13
6115222 Single, central limit stop for a disc drive actuator Michael Kenneth Andrews 2000-09-05
6055123 Radially loaded disc mounting system for a disc drive Michael John Raffetto 2000-04-25
6005751 Recording head skewed read gap/write gap positioning Godfredo S. Telada 1999-12-21
5982581 Disc clamp with head clearance Michael Kenneth Andrews, Michael John Raffetto 1999-11-09
5973879 Radially loaded disc mounting system for a disc drive Michael John Raffetto 1999-10-26
5880905 Radially loaded disc mounting system for a disc drive Michael John Raffetto 1999-03-09
5875073 Single, central limit stop for a disc drive actuator Michael Kenneth Andrews 1999-02-23
5844748 Disc drive spindle motor with controlled resistance pathway from disc to ground John C. Dunfield, Klaus Kloeppel, Robert M. Pelstring, Michael John Raffetto, Donald J. MacLeod +1 more 1998-12-01
5729404 Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground John C. Dunfield, Klaus Kloeppel, Robert M. Pelstring, Michael John Raffetto, Donald J. MacLeod +1 more 1998-03-17
5537272 Spindle balance device for a hard disk drive assembly Michael A. Maiers 1996-07-16
5485331 High resistivity bearing balls for spindle motor isolation John C. Dunfield, Klaus Kloeppel, Robert M. Pelstring, Donald J. MacLeod, Michael John Raffetto 1996-01-16
4982883 Ski and pole carrier Pramode N. Ullal 1991-01-08