Inventor · Irvine, CA, US

Raffi Codilian

95Patents
59h-index
59Co-inventors
87Inventor score

Filing activity: Dec 18, 1992 → Nov 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6091564A Disk drive with calibration bursts that are recorded on a spiral and method of recording the same Physics 194 Expired
US7120806B1 Method for setting a power operating mode transition interval of a disk drive in a mobile device based on application category Emerging Cross-Sectional Technologies 190 Expired
US6892313B1 Method for predictive power management for operating a disk drive in a mobile device to optimize power usage Emerging Cross-Sectional Technologies 178 Expired
US7095577B1 Disk drive for optimizing write current settings relative to drive operating characteristics and ambient temperature readings Physics 167 Expired
US6995933B1 Disk drive for optimizing write current settings relative to drive operating characteristics and ambient temperature readings Physics 154 Expired
US6892249B1 Dependently adjusting at least three operating levels of a disk drive by dependently adjusting a plurality of disk drive parameters Physics 150 Expired
US6714371B1 Method and disk drive for shock estimation and write termination control Physics 146 Expired
US6493169B1 Disk drive employing spindle motor commutation time variation for reducing acoustic noise Physics 144 Expired
US7274639B1 Disk drive performing multi-level prioritization of entries in a suspect sector list to identify and relocate defective data sectors Physics 143 Expired
US6968422B1 Disk drive employing a modified rotational position optimization algorithm to account for external vibrations Physics 140 Expired
US6445524B1 Method of operating a disk drive for writing to an addressable location after detecting that a head is within a safe-to-write window Physics 139 Expired
US6782449B1 Adaptively modifying a read caching algorithm based upon the detection of a vibration state within a rotating media storage device Physics 139 Expired
US7088538B1 Adaptively estimating a read access time to a second track based upon the binned radial position of the second track within a rotating media storage device Physics 135 Expired
US6104153A Disk drive employing method of spinning down its spindle motor to reduce the time required for spinning it down and subsequently spinning it up Physics 133 Expired
US8190575B1 Disk drive maintaining multiple copies of code segments Physics 133 Active
US6204988A Disk drive capable of autonomously evaluating and adapting the frequency response of its servo control system Physics 133 Expired
US8307156B1 Adaptively modifying pre-read operations within a rotating media storage device Physics 132 Active
US6707635B1 Method and apparatus for RRO learning on alternate tracks before and after shipping to cancel RRO in a disk drive Physics 131 Expired
US6914743B1 Vibration cancellation in a disk drive by using an acceleration sensor and adaptively adjusting its gain to minimize external acceleration effects Physics 131 Expired
US6952322B1 Disk drive reading servo sectors recorded at a relative offset on multiple disk surfaces to increase the servo sample rate Physics 131 Expired
US6545835B1 Method and apparatus for RRO learning before and after shipping to cancel RRO in a disk drive Physics 131 Expired
US6198590A Disk drive employing method of spinning down its spindle motor to reduce the time required for subsequently spinning it up Physics 130 Expired
US6710966B1 Method for reducing an effect of vibration on a disk drive during a track following operation by adjusting an adaptive-filter gain applied to an acceleration sensor signal Physics 130 Expired
US6369972B1 Temperature monitoring method of a disk drive voice coil motor from a traveled distance Physics 129 Expired
US6198584A Disk drive with staggered calibration bursts that are disposably located in data regions and method of using the same for calibrating a read head Physics 126 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.