Inventor
BUCH BRUCE DOUGLAS
US37 patents
⚠️ This page may combine multiple inventors who share the name “BUCH BRUCE DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
32 patentsUS10037779B1Jul 31, 2018
Read-after-write methodology using multiple actuators moveable over the same magnetic recording disk surface
SEAGATE TECHNOLOGY LLC60 citations96
US9201728B2Dec 1, 2015
Memory device with variable code rate
SEAGATE TECHNOLOGY LLC32 citations94
US10249339B1Apr 2, 2019
Read-after-write methodology using multiple actuators moveable over the same magnetic recording disk surface
SEAGATE TECHNOLOGY LLC17 citations93
US9019646B2Apr 28, 2015
Heat assisted magnetic recording device with pre-heated write element
SEAGATE TECHNOLOGY LLC30 citations93
US9640203B1May 2, 2017
Multi-frequency microwave assisted magnetic recording apparatus and method
SEAGATE TECHNOLOGY LLC19 citations92
US9613652B2Apr 4, 2017
Phase error recovery circuitry and method for a magnetic recording device
SEAGATE TECHNOLOGY LLC19 citations92
US10277228B1Apr 30, 2019
Configuration pin-strapping
SEAGATE TECHNOLOGY LLC11 citations84
US10042785B1Aug 7, 2018
Storage drive with multiple controllers having interconnected buffer managers
SEAGATE TECHNOLOGY LLC18 citations84
US10043543B1Aug 7, 2018
Method to re-characterize mechanical coupling used in multiple-actuator servo compensation
SEAGATE TECHNOLOGY LLC12 citations84
US9244766B2Jan 26, 2016
Variable data recovery scheme hierarchy
SEAGATE TECHNOLOGY LLC12 citations84
US8737011B1May 27, 2014
Repeatable runout data stored in pre-servo gap
SEAGATE TECHNOLOGY LLC9 citations84
US7969676B2Jun 28, 2011
Interspersed phase-locked loop fields for data storage media synchronization
SEAGATE TECHNOLOGY LLC14 citations84
US7911724B2Mar 22, 2011
Write synchronization phase calibration for storage media
SEAGATE TECHNOLOGY LLC18 citations83
US7889450B2Feb 15, 2011
Reduced read/write transition overhead for storage media
SEAGATE TECHNOLOGY LLC8 citations83
US7876517B2Jan 25, 2011
Measurement of round trip latency in write and read paths
SEAGATE TECHNOLOGY LLC12 citations83
US10424328B1Sep 24, 2019
Reduced latency I/O in multi-actuator device
SEAGATE TECHNOLOGY LLC13 citations82
US10547264B1Jan 28, 2020
Motor control circuitry for multiple-actuator support
SEAGATE TECHNOLOGY LLC4 citations73
US10147445B1Dec 4, 2018
Data storage device with one or more detectors utilizing multiple independent decoders
SEAGATE TECHNOLOGY LLC3 citations73
US9164837B2Oct 20, 2015
Transfer unit management
SEAGATE TECHNOLOGY LLC5 citations73
US9640211B1May 2, 2017
Servo track encoding and decoding
SEAGATE TECHNOLOGY LLC2 citations72
US9525576B1Dec 20, 2016
Self-adapting phase-locked loop filter for use in a read channel
SEAGATE TECHNOLOGY LLC4 citations72
US10720200B2Jul 21, 2020
Reduced latency I/O in multi-actuator device
SEAGATE TECHNOLOGY LLC5 citations71
US9886970B1Feb 6, 2018
Noise cancellation in multitransducer recording
SEAGATE TECHNOLOGY LLC4 citations70
US10664172B1May 26, 2020
Coupling multiple controller chips to a host via a single host interface
SEAGATE TECHNOLOGY LLC3 citations69
US10020012B1Jul 10, 2018
Data storage drive with low-latency ports coupling multiple servo control processors
SEAGATE TECHNOLOGY LLC4 citations66
US8848310B2Sep 30, 2014
Offset correction values on a data storage media
SEAGATE TECHNOLOGY LLC3 citations63
US9318147B1Apr 19, 2016
Read read-only fields while writing
SEAGATE TECHNOLOGY LLC2 citations62
US10114614B2Oct 30, 2018
Random number generation using switching regulators
SEAGATE TECHNOLOGY LLC0 citations52
US9343104B2May 17, 2016
Integrated servo field for memory device
SEAGATE TECHNOLOGY LLC0 citations52
US9105289B1Aug 11, 2015
Integrated servo field for memory device
SEAGATE TECHNOLOGY LLC1 citations52
US9202477B2Dec 1, 2015
Pin-efficient reader bias enable control
SEAGATE TECHNOLOGY LLC1 citations50
US10199056B1Feb 5, 2019
Noise cancellation in multitransducer recording
SEAGATE TECHNOLOGY LLC0 citations49