Inventor

PATAPOUTIAN ARA

US129 patents

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

PATAPOUTIAN ARA

SEAGATE TECHNOLOGY LLC

Open block refresh management

Open block stability scanning

Magnetic read head with multiple read transducers each having different design characteristics

Memory device with variable code rate

Page-level reference voltage parameterization for solid statesolid state storage devices

Read channel buffer management for higher throughput decoding

Open block stability scanning

Monitoring a memory for retirement

Variable parity sectors

Wear-based access optimization

Syndrome update and maintenance

Open block management

Storage device with multiple coding redundancies

Variable data recovery scheme hierarchy

ECC management for variable resistance memory cells

Methods and apparatuses using a transfer function to predict resistance shifts and/or noise of resistance-based memory

Efficient read and recovery with outer code

Segment-based outer code recovery

End of life extension of solid state memory

MAXTOR CORP

Baseline wander compensation for perpendicular recording

Disk drive that generates a position error signal and a fly height signal from a servo burst pattern

Error recovery strategies for iterative decoders

Method and apparatus for selecting storage capacity of data storage media

Media noise optimized detector for magnetic recording

Nested LDPC encoders and decoder

Methods, apparatus and computer program products for determining the timing of bits based on frequency error

Disk drives with radially aligned servo burst patterns that generate orthogonal contributions to a read signal and related demodulators and methods

Symbol-level soft output Viterbi algorithm (SOVA) and a simplification on SOVA

Disk drive self-servo writing using fundamental and higher harmonics of a printed reference pattern

Determining the timing of a data signal

Synchronous detection of wide bi-phase coded servo information for disk drive

Method and apparatus for using block reread

Class of fixed partial response targets in a PRML sampled data detection channel

Encoding method using code constraint violation pointers

Detecting errors in coded bit strings

QUANTUM CORP

Synchronous detection of wide bi-phase coded servo information for disk drive

Loop latency compensated PLL filter

Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector

Data and servo sampling in synchronous data detection channel

Rate 32/33 (D=0, K=6) run length limited modulation code having optimized error propagation

Modulation encoders and decoders

PATAPOUTIAN ARA

Joint encoding of logical pages in multi-page memory architecture

Reuse of information from memory read operations

Selectively applied hybrid min-sum approximation for constraint node updates of LDPC decoders

Categorizing bit errors of solid-state, non-volatile memory

Opportunistic decoding in memory systems

Iterative demodulation and decoding for multi-page memory architecture

RUB BERNARDO

Iterating inner and outer codes for data recovery

Parameter tracking for memory devices

SRIDHARA DEEPAK

Group based codes for multi-dimensional recording (MDR)