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Inventor

Russell A. Billings

Inventor
Rochester, MN, US

Overview

4→
Patents
2000–2002
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer67%
G06FElectric digital data processing17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
6,411,458'Disk drive employing method of monitoring transducer flying height to retire defective data site on recording surface'20026,249,393'Disk drive having a write condition detector for suspending write operations while a transducer flying height deviates from its operating flying height'20016,223,303'Disk drive having two tiered defect list comprising marginal and reserved data sectors'20016,035,351'Storage of user defined type file data in corresponding select physical format'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to IBM (1)· patent assignee history
2000–2002Based in Rochester, MN, US· patent location history
2001Patents assigned to WESTERN DIGITAL CORP (2)· patent assignee history
2002Patents assigned to WESTERN DIGITAL TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL CORP22001
IBM12000
WESTERN DIGITAL TECH INC12002
Locations
LocationPatentsSpan
Rochester, Minnesota, US42000–2002