Inventor · Tucson, AZ, US

Nhan X. Bui

175Patents
19h-index
74Co-inventors
89Inventor score

Filing activity: Nov 5, 1993 → Apr 12, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7839599B2 Combining information from parallel servo channels Physics 112 Active
US8000057B2 Combining information from parallel servo channels Physics 108 Active
US7764460B2 Adjusting read heads based on misregistration calculated from servo patterns Physics 57 Active
US6580581B1 Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape Physics 47 Expired
US8270114B2 Magnetically biased tilting roller bearing tape guidance Physics 47 Active
US8094402B2 Systems and methods for correcting magnetic tape dimensional instability Physics 46 Active
US6963467B2 Method and apparatus for compensating for media shift due to tape guide Physics 40 Expired
US8054576B2 Skew actuator to servo track zero reference Physics 35 Active
US7002763B2 Identification of laterally positioned servo bands employing differentiating characteristics of servo patterns Physics 30 Expired
US6239939A Robust detection of data modulated into a timing based servo Physics 29 Expired
US6587303B1 Servo control of a coarse actuator Physics 28 Expired
US6721126B1 Position identification for a coarse actuator portion of a compound actuator Physics 27 Expired
US6532128B1 Data set to recording media registration and synchronization Physics 26 Expired
US5426625A Masking of tracking error signal abnormalities due to media defects Physics 26 Expired
US5367513A Focus and tracking servo decoupling system Physics 26 Expired
US6937413B2 Tape servo information with superimposed data information providing servo band identification Physics 24 Expired
US6762900B2 Method and apparatus for performing position error signal conditioning of LTO media servo format written-in velocity variation Physics 22 Expired
US6791781B2 Method and apparatus for providing linear position (LPOS) estimations Physics 21 Expired
US6940682B2 Data read transducers for determining lateral position of a tape head with respect to longitudinal servo bands of magnetic tape Physics 19 Expired
US8780486B2 Determining a skew error signal (SES) offset used to determine an SES to adjust heads in a drive unit Physics 17 Active
US7724466B2 Method and system for servo stripe width detection and compensation Physics 16 Active
US7852599B2 Apparatus, system, and method for tape drive head Physics 15 Active
US8139312B2 Timing alternative intervals within a timing based servo band Physics 15 Active
US9997184B1 Hybrid servo pattern configurations for magnetic tape Physics 15 Active
US8213105B2 Cancellation of time-varying periodic disturbances in servo control systems Physics 15 Active

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