JD

John C. Dunfield

ST Seagate Technology: 11 patents #1 of 131Top 1%
📍 Santa Cruz, CA: #1 of 103 inventorsTop 1%
🗺 California: #39 of 17,285 inventorsTop 1%
Overall (1997): #415 of 185,788Top 1%
11
Patents 1997

Issued Patents 1997

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5698911 Low leakage actuator for high performance Kamran Oveyssi 1997-12-16
5694268 Spindle motor having overmolded stator Gunter Heine 1997-12-02
5675230 Method and apparatus for dynamic low voltage spindle motor operation 1997-10-07
5659215 Small form factor actuator for improved functionality and linearity Gunter Heine 1997-08-19
5633568 Method and apparatus for dynamic low voltage spindle motor operation 1997-05-27
5619389 Stator isolation for spindle motor Gunter Heine 1997-04-08
5619083 Passive magnetic bearings for a spindle motor Kamran Oveyssi, Gunter Heine 1997-04-08
5610463 Passive magnetic bearings for a spindle motor Kamran Oveyssi, Gunter Heine 1997-03-11
5600511 Particle containment and fluid retention with barrier seal in magnetic disc drive Gunter Heine 1997-02-04
5598048 Integrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motor Kamran Oveyssi 1997-01-28
5598071 Method for starting and commutating a permanent-magnet direct current motor having a single phase winding Gunter Heine, Marcel Jufer, Kamran Oveyssi 1997-01-28