Inventor

Roger F. Hoyt

Inventor
San Jose, CA, US

Overview

5→
Patents
1989–2009
Patent span
Physics
Primary field (CPC G)

Patents· 5 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 transducer57%
G06FElectric digital data processing29%
G10KSound-producing devices14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to IBM (3)· patent assignee history
1989–2009Based in San Jose, CA, US· patent location history
2006–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM31989–2003
HITACHI GLOBAL STORAGE TECH22006–2009
Locations
LocationPatentsSpan
San Jose, California, US51989–2009