Inventor

OVEYSSI KAMRAN

US58 patents

⚠️ This page may combine multiple inventors who share the name “OVEYSSI KAMRAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OVEYSSI KAMRAN

WESTERN DIGITAL TECH INC

Disk drive including a magnetic element support with a first transition section angularly lateral to a coil and a second transition section radially beyond the coil

Disk drive including pivot-bearing cartridge tolerance ring having a damping layer for actuator resonance reduction

Head stack assembly including laminated nut plate with damping layer interposed between metal layers

Disk drive rotary actuator assembly having a constrained layer damper attached to a flat actuator coil

Disk drive including an actuator with a constrained layer damper disposed upon an actuator body lateral surface

Disk drive having a VCM plate which includes an integrally formed elongated protrusion for securing a flex bracket to the disk drive base

Disk drive having an actuator arm assembly that includes stamped actuator arms

Disk drive including an orthogonally disposed actuator coil and an E-shaped voice coil motor yoke for supporting a pair of voice coil magnets

Disk drives and actuator assemblies having a pair of bonded voice coil supporting arms

Disk drive actuator arm assembly having a portion of the arm at a greater distance from a disk recording surface than the arm tip portion

Disk drive including an airflow blocker with a planar portion extending from a blocker arm portion

Disk drive including a stamped arm assembly and method of making an actuator arm assembly

Back EMF voltage transducer/generator to convert mechanical energy to electrical energy for use in small disk drives

Disk drive having a disk plate body attached to a fixed spindle shaft of a spindle motor

Disk drive including a disk plate having a damping member

Pivot bearing cartridge including central pivot element and ball bearing set

Pivot bearing cartridge including central pivot element and ball bearing set

Disk drive including an actuator coil with side segments equally overlapping inner and outer magnet sets

Spindle motor having inner and outer ball bearing sets

Spindle motor having stator rim formed of curved arc segments

Actuator arm assembly having bearing gap formed between bearing outer race and pivot sleeve for mitigating torque ripple on actuator arm in a disk drive

Disk drive employing a voice coil motor comprising a yoke for generating a undirectional magnetic flux and a voice coil partially interacting with the undirectional magnetic flux

Disk drive comprising a voice coil motor having a yoke with a multiple-bend magnetic flux conductor

Voice coil motor comprising a voice coil wrapped around a rotary voice coil yoke comprising a low reluctance end and a high reluctance end

Disk drive including magnetic element support with primary and secondary magnetic flux paths

Disk drive having electrically parallel actuator coils for selectively boosting actuator torque

Disk drive including an actuator main coil and an actuator secondary coil with a lateral segment and method of operating same

Spindle motor including magnetic element for pre-loading a ball bearing set

Disk drive including a pair of actuator coils each with a radial segment generally perpendicular to inner and outer segments and overlapping with inner and outer magnets

Disk drive including a rotary actuator with thermo-conductive coil support element and coil

Pivot bearing cartridge including ball bearing set and magnet element for ball bearing set pre-loading

Pivot bearing cartridge having inner and outer ball bearing sets

Spindle motor having stator rim formed of concentric laminate layers

Actuator including an actuator body with parallel support extensions and coil support tab for supporting a coil and method of making the same

Method of assembly of a disk drive including engaging first and second VCM plates while maintaining a holding force against the first VCM plate

Disk drive including a one-piece stamped actuator arm assembly and method of making same

Head stack assembly with an actuator body and flex cable guiding support and method of making the same

SEAGATE TECHNOLOGY

Passive magnetic bearings for a spindle motor

Integrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motor

Method for starting and commutating a permanent-magnet direct current motor having a single phase winding

Integrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motor

Ironless spindle motor for disc drive

Integrated passive magnetic bearing system and spindle permanent magnet for use in a spindle motor

Passive magnetic bearings for a spindle motor

Dual coil voice coil motor

Low leakage actuator for high performance

Passive magnetic bearings for a spindle motor

Integrated passive magnetic bearing system and spindle permanent magnet for use in a spindle motor

OVEYSSI KAMRAN

Disk drive aperture channel

WESTERN DIGITAL CORP

Spindle motor flange land portion